Parameter Groups
#
# National Water Information System
# 2024/11/21
#
#
# Date Retrieved: USGS Water Data for the Nation Help System
#
parm_cd group parm_nm epa_equivalence result_statistical_basis result_time_basis result_weight_basis result_particle_size_basis result_sample_fraction result_temperature_basis CASRN SRSName parm_unit
5s 13s 134s 26s 14s 7s 3s 14s 12s 0s 10s 40s 10s
00149 Radiochemical Alpha-emitting isotopes of radium, water, filtered, picocuries per liter Agree Dissolved Alpha emitting radium isotopes pCi/L
01392 Radiochemical Uranium, bed sediment, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Bed Sediment 7440-61-1 Uranium mg/kg
01419 Radiochemical Uranium, soil, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7440-61-1 Uranium mg/kg
01459 Radiochemical Uranium, biota, tissue, total digestion, dry weight, milligrams per kilogram Not checked Dry 7440-61-1 Uranium mg/kg
01501 Radiochemical Alpha radioactivity, water, unfiltered, picocuries per liter Not checked Total 12587-46-1 Alpha particle pCi/L
01502 Radiochemical Alpha radioactivity counting error, water, unfiltered, picocuries per liter Not checked Counting Error Total 12587-46-1 Alpha particle pCi/L
01503 Radiochemical Alpha radioactivity, water, filtered, picocuries per liter Agree Dissolved 12587-46-1 Alpha particle pCi/L
01504 Radiochemical Alpha radioactivity counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 12587-46-1 Alpha particle pCi/L
01505 Radiochemical Alpha radioactivity, suspended sediment, picocuries per liter Agree Suspended 12587-46-1 Alpha particle pCi/L
01506 Radiochemical Alpha radioactivity counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 12587-46-1 Alpha particle pCi/L
01507 Radiochemical Gross alpha radioactivity, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 12587-46-1 Alpha particle pCi/g
01508 Radiochemical Gross alpha radioactivity counting error, bed sediment, dry weight, picocuries per gram Not checked Counting Error Dry Bed Sediment 12587-46-1 Alpha particle pCi/g
01515 Radiochemical Gross alpha radioactivity, water, filtered, natural uranium curve, picocuries per liter Not checked Dissolved 12587-46-1 Alpha particle pCi/L
01516 Radiochemical Gross alpha radioactivity, suspended sediment, natural uranium curve, picocuries per liter Not checked Suspended 12587-46-1 Alpha particle pCi/L
01517 Radiochemical Gross alpha radioactivity, suspended sediment, natural uranium curve, dry weight, picocuries per gram Not checked Dry Suspended 12587-46-1 Alpha particle pCi/g
01518 Radiochemical Gross alpha radioactivity, suspended sediment, natural uranium curve, dry weight, milligrams per kilogram Not checked Dry Suspended 12587-46-1 Alpha particle mg/kg
01519 Radiochemical Gross alpha radioactivity, water, unfiltered, picocuries per liter Agree Total 12587-46-1 Alpha particle pCi/L
01524 Radiochemical Gross alpha radioactivity counting error, water, filtered, natural uranium curve, micrograms per liter Agree Counting Error Dissolved 12587-46-1 Alpha particle ug/l
01525 Radiochemical Gross alpha radioactivity counting error, suspended sediment, natural uranium curve, micrograms per liter Agree Counting Error Suspended 12587-46-1 Alpha particle ug/l
01526 Radiochemical Gross alpha radioactivity counting error, water, unfiltered, Th-230 curve, picocuries per liter Not checked Counting Error 12587-46-1 pCi/L
03501 Radiochemical Beta radioactivity, water, unfiltered, picocuries per liter Agree Total 12587-47-2 Beta particle pCi/L
03502 Radiochemical Beta radioactivity counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 12587-47-2 Beta particle pCi/L
03503 Radiochemical Beta radioactivity, water, filtered, picocuries per liter Agree Dissolved 12587-47-2 Beta particle pCi/L
03504 Radiochemical Beta radioactivity counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 12587-47-2 Beta particle pCi/L
03505 Radiochemical Beta radioactivity, suspended sediment, picocuries per liter Agree Suspended 12587-47-2 Beta particle pCi/L
03506 Radiochemical Beta radioactivity counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 12587-47-2 Beta particle pCi/L
03507 Radiochemical Gross beta radioactivity, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 12587-47-2 Beta particle pCi/g
03508 Radiochemical Gross beta radioactivity counting error, bed sediment, dry weight, picocuries per gram Not checked Counting Error Dry Bed Sediment 12587-47-2 Beta particle pCi/g
03515 Radiochemical Gross beta radioactivity, water, filtered, Cs-137 curve, picocuries per liter Not checked Dissolved 12587-47-2 Beta particle pCi/L
03516 Radiochemical Gross beta radioactivity, suspended sediment, Cs-137 curve, picocuries per liter Not checked Suspended 12587-47-2 Beta particle pCi/L
03517 Radiochemical Beta radioactivity, suspended sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram Not checked Dry Suspended 12587-47-2 Beta particle pCi/g
03518 Radiochemical Gross beta radioactivity, suspended sediment, Cs-137 curve, dry weight, picocuries per gram Not checked Dry Suspended 12587-47-2 Beta particle pCi/g
03519 Radiochemical Gross beta radioactivity, water, unfiltered, Cs-137 curve, picocuries per liter Not checked Total 12587-47-2 Beta particle pCi/L
03526 Radiochemical Gross beta radioactivity counting error, water, filtered, Cs-137 curve, picocuries per liter Not checked Counting Error Dissolved 12587-47-2 Beta particle pCi/L
03527 Radiochemical Gross beta radioactivity counting error, suspended sediment, Cs-137 curve, picocuries per liter Not checked Counting Error Suspended 12587-47-2 Beta particle pCi/L
03528 Radiochemical Gross beta radioactivity counting error, water, filtered, Sr-90/Y-90 curve, picocuries per liter Not checked Counting Error Dissolved 12587-47-2 Beta particle pCi/L
03529 Radiochemical Gross beta radioactivity counting error, suspended sediment, Sr-90/Y-90 curve, picocuries per liter Not checked Counting Error Suspended 12587-47-2 Beta particle pCi/L
03936 Radiochemical Uranium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 0.0625 Bed Sediment 7440-61-1 Uranium mg/kg
04102 Radiochemical Beta radioactivity, bed sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram Not checked Dry Bed Sediment 12587-47-2 Beta particle pCi/g
04103 Radiochemical Cesium-137 2-sigma combined uncertainty, soil, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Total 10045-97-3 Cesium-137 pCi/g
04104 Radiochemical Lead-210 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 14255-04-0 Lead-210 pCi/g
04105 Radiochemical Polonium-210 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 13981-52-7 Polonium-210 pCi/g
04106 Radiochemical Radium-228 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 15262-20-1 Radium-228 pCi/g
04107 Radiochemical Radium-226 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 13982-63-3 Radium-226 pCi/g
04108 Radiochemical Thorium-230 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 14269-63-7 Thorium-230 pCi/g
04110 Radiochemical Thorium-232 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 7440-29-1 Thorium-232 pCi/g
04111 Radiochemical Uranium-234 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 13966-29-5 Uranium-234 pCi/g
04112 Radiochemical Uranium-235 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not checked 2-Sigma CSU Dry Bed Sediment 15117-96-1 Uranium-235 pCi/g
04113 Radiochemical Uranium-238 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 7440-61-1 Uranium pCi/g
04123 Radiochemical Tritium counting error, water, unfiltered, picocuries per milliliter Agree Counting Error Total 10028-17-8 Tritium pCi/ml
04124 Radiochemical Tritium, water, unfiltered, picocuries per milliliter Agree Total 10028-17-8 Tritium pCi/ml
04125 Radiochemical Alpha radioactivity, bed sediment, Th-230 curve, dry weight, picocuries per gram Not checked Dry Bed Sediment 12587-46-1 Alpha particle pCi/g
04126 Radiochemical Alpha radioactivity, water, filtered, Th-230 curve, picocuries per liter Not checked Dissolved 12587-46-1 Alpha particle pCi/L
04127 Radiochemical Alpha radioactivity, suspended sediment, Th-230 curve, picocuries per liter Not checked Suspended 12587-46-1 Alpha particle pCi/L
05504 Radiochemical Gross gamma radioactivity scan counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved Gamma radiation pCi/L
05515 Radiochemical Gross gamma radioactivity scan counting error, bed sediment, dry weight, picocuries per gram Agree Counting Error Dry Bed Sediment Gamma radiation pCi/g
05516 Radiochemical Gross gamma radioactivity scan counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended Gamma radiation pCi/L
07000 Radiochemical Tritium, water, unfiltered, picocuries per liter Agree Total 10028-17-8 Tritium pCi/L
07001 Radiochemical Tritium counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 10028-17-8 Tritium pCi/L
07005 Radiochemical Tritium, water, filtered, picocuries per liter Agree Dissolved 10028-17-8 Tritium pCi/L
07006 Radiochemical Tritium counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10028-17-8 Tritium pCi/L
07010 Radiochemical Tritium, suspended sediment, picocuries per liter Agree Suspended 10028-17-8 Tritium pCi/L
07011 Radiochemical Tritium counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 10028-17-8 Tritium pCi/L
07012 Radiochemical Tritium in water molecules, tritium units Agree 10028-17-8 Tritium T.U.
07013 Radiochemical Tritium in water molecules counting error, tritium units Agree Counting Error 10028-17-8 Tritium T.U.
07014 Radiochemical Tritium counting error, suspended sediment, tritium units Agree Counting Error Suspended 10028-17-8 Tritium T.U.
07015 Radiochemical Tritium counting error, water, filtered, tritium units Agree Counting Error Dissolved 10028-17-8 Tritium T.U.
07016 Radiochemical Tritium, suspended sediment, tritium units Agree Suspended 10028-17-8 Tritium T.U.
07017 Radiochemical Tritium, water, unfiltered, tritium units Agree Total 10028-17-8 Tritium T.U.
07018 Radiochemical Tritium, water, filtered, tritium units Agree Dissolved 10028-17-8 Tritium T.U.
07019 Radiochemical Tritium counting error, water, unfiltered, tritium units Agree Counting Error Total 10028-17-8 Tritium T.U.
07050 Radiochemical Calcium-45, water, filtered, picocuries per liter Agree Dissolved 13966-05-7 Calcium-45 pCi/L
07051 Radiochemical Calcium-45 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13966-05-7 Calcium-45 pCi/L
07052 Radiochemical Calcium-45, suspended sediment, picocuries per liter Agree Suspended 13966-05-7 Calcium-45 pCi/L
07053 Radiochemical Calcium-45 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13966-05-7 Calcium-45 pCi/L
07054 Radiochemical Calcium-45, water, unfiltered, picocuries per liter Agree Total 13966-05-7 Calcium-45 pCi/L
07055 Radiochemical Calcium-45 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13966-05-7 Calcium-45 pCi/L
07060 Radiochemical Iron-59, water, filtered, picocuries per liter Agree Dissolved 14596-12-4 Iron-59 pCi/L
07061 Radiochemical Iron-59 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14596-12-4 Iron-59 pCi/L
07062 Radiochemical Iron-59, suspended sediment, picocuries per liter Agree Suspended 14596-12-4 Iron-59 pCi/L
07063 Radiochemical Iron-59 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 14596-12-4 Iron-59 pCi/L
07064 Radiochemical Iron-59, water, unfiltered, picocuries per liter Agree Total 14596-12-4 Iron-59 pCi/L
07065 Radiochemical Iron-59 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14596-12-4 Iron-59 pCi/L
07100 Radiochemical Selenium-75, water, filtered, picocuries per liter Agree Dissolved 14265-71-5 Selenium-75 pCi/L
07101 Radiochemical Selenium-75 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14265-71-5 Selenium-75 pCi/L
07102 Radiochemical Selenium-75, suspended sediment, picocuries per liter Agree Suspended 14265-71-5 Selenium-75 pCi/L
07103 Radiochemical Selenium-75 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 14265-71-5 Selenium-75 pCi/L
07104 Radiochemical Selenium-75, water, unfiltered, picocuries per liter Agree Total 14265-71-5 Selenium-75 pCi/L
07105 Radiochemical Selenium-75 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14265-71-5 Selenium-75 pCi/L
07120 Radiochemical Silver-110, water, filtered, picocuries per liter Agree Dissolved 14391-76-5 Silver-110 pCi/L
07121 Radiochemical Silver-110 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14391-76-5 Silver-110 pCi/L
07122 Radiochemical Silver-110, suspended sediment, picocuries per liter Agree Suspended 14391-76-5 Silver-110 pCi/L
07123 Radiochemical Silver-110 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 14391-76-5 Silver-110 pCi/L
07124 Radiochemical Silver-110, water, unfiltered, picocuries per liter Agree Total 14391-76-5 Silver-110 pCi/L
07125 Radiochemical Silver-110 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14391-76-5 Silver-110 pCi/L
07140 Radiochemical Sulfur-35, water, filtered, picocuries per liter Agree Dissolved 15117-53-0 Sulfur-35 pCi/L
07141 Radiochemical Sulfur-35 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15117-53-0 Sulfur-35 pCi/L
07142 Radiochemical Sulfur-35, suspended sediment, picocuries per liter Agree Suspended 15117-53-0 Sulfur-35 pCi/L
07143 Radiochemical Sulfur-35 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 15117-53-0 Sulfur-35 pCi/L
07144 Radiochemical Sulfur-35, water, unfiltered, picocuries per liter Agree Total 15117-53-0 Sulfur-35 pCi/L
07145 Radiochemical Sulfur-35 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15117-53-0 Sulfur-35 pCi/L
09501 Radiochemical Radium-226, water, unfiltered, picocuries per liter Agree Total 13982-63-3 Radium-226 pCi/L
09503 Radiochemical Radium-226, water, filtered, picocuries per liter Agree Dissolved 13982-63-3 Radium-226 pCi/L
09504 Radiochemical Radium-226 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13982-63-3 Radium-226 pCi/L
09505 Radiochemical Radium-226, suspended sediment, picocuries per liter Agree Suspended 13982-63-3 Radium-226 pCi/L
09506 Radiochemical Radium-226 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13982-63-3 Radium-226 pCi/L
09507 Radiochemical Radium-226, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 13982-63-3 Radium-226 pCi/g
09508 Radiochemical Radium-226 counting error, bed sediment, dry weight, picocuries per gram Not checked Counting Error Dry Bed Sediment 13982-63-3 Radium-226 pCi/g
09510 Radiochemical Alpha-emitting isotopes of radium, water, filtered, planchet count, picocuries per liter Not checked Dissolved Alpha emitting radium isotopes pCi/L
09511 Radiochemical Radium-226, water, filtered, radon method, picocuries per liter Agree Dissolved 13982-63-3 Radium-226 pCi/L
11501 Radiochemical Radium-228, water, unfiltered, picocuries per liter Agree Total 15262-20-1 Radium-228 pCi/L
11502 Radiochemical Radium-228 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15262-20-1 Radium-228 pCi/L
11506 Radiochemical Radium-224, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 13233-32-4 Radium-224 pCi/g
13501 Radiochemical Strontium-90, water, unfiltered, picocuries per liter Agree Total 10098-97-2 Strontium-90 pCi/L
13502 Radiochemical Strontium-90 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 10098-97-2 Strontium-90 pCi/L
13503 Radiochemical Strontium-90, water, filtered, picocuries per liter Agree Dissolved 10098-97-2 Strontium-90 pCi/L
13504 Radiochemical Strontium-90 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10098-97-2 Strontium-90 pCi/L
13505 Radiochemical Strontium-90, suspended sediment, picocuries per liter Agree Suspended 10098-97-2 Strontium-90 pCi/L
13506 Radiochemical Strontium-90 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 10098-97-2 Strontium-90 pCi/L
13507 Radiochemical Strontium-90 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10098-97-2 Strontium-90 pCi/L
15501 Radiochemical Strontium-89, water, unfiltered, picocuries per liter Agree Total 14158-27-1 Strontium-89 pCi/L
15502 Radiochemical Strontium-89 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14158-27-1 Strontium-89 pCi/L
15503 Radiochemical Strontium-89, water, filtered, picocuries per liter Agree Dissolved 14158-27-1 Strontium-89 pCi/L
15504 Radiochemical Strontium-89 counting error, water, filtered, picocuries per liter Agree Dissolved 14158-27-1 Strontium-89 pCi/L
15507 Radiochemical Strontium-90, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 10098-97-2 Strontium-90 pCi/g
17501 Radiochemical Lead-210, water, unfiltered, picocuries per liter Agree Total 14255-04-0 Lead-210 pCi/L
17502 Radiochemical Lead-210 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14255-04-0 Lead-210 pCi/L
17503 Radiochemical Lead-210, water, filtered, picocuries per liter Agree Dissolved 14255-04-0 Lead-210 pCi/L
17504 Radiochemical Lead-210 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14255-04-0 Lead-210 pCi/L
17505 Radiochemical Lead-210, suspended sediment, picocuries per liter Agree Suspended 14255-04-0 Lead-210 pCi/L
17506 Radiochemical Lead-210 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 14255-04-0 Lead-210 pCi/L
17507 Radiochemical Lead-210, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 14255-04-0 Lead-210 pCi/g
17508 Radiochemical Lead-210, counting error, bed sediment, dry weight, picocuries per gram Not checked Counting Error Dry Bed Sediment 14255-04-0 Lead-210 pCi/g
17517 Radiochemical Lead-212, water, unfiltered, picocuries per liter Agree Total 15092-94-1 Lead-212 pCi/L
17518 Radiochemical Lead-212 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15092-94-1 Lead-212 pCi/L
17519 Radiochemical Lead-214, water, unfiltered, picocuries per liter Agree Total 15067-28-4 Lead-214 pCi/L
17520 Radiochemical Lead-214 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15067-28-4 Lead-214 pCi/L
18501 Radiochemical Iodine-129, water, unfiltered, picocuries per liter Agree Total 15046-84-1 Iodine-129 pCi/L
18502 Radiochemical Iodine-129 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15046-84-1 Iodine-129 pCi/L
19501 Radiochemical Polonium-210, water, unfiltered, picocuries per liter Agree Total 13981-52-7 Polonium-210 pCi/L
19503 Radiochemical Polonium-210, water, filtered, picocuries per liter Agree Dissolved 13981-52-7 Polonium-210 pCi/L
19504 Radiochemical Polonium-210 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-52-7 Polonium-210 pCi/L
19505 Radiochemical Polonium-210, suspended sediment, picocuries per liter Agree Suspended 13981-52-7 Polonium-210 pCi/L
19506 Radiochemical Polonium-210 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13981-52-7 Polonium-210 pCi/L
19507 Radiochemical Polonium-210, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 13981-52-7 Polonium-210 pCi/g
22001 Radiochemical Plutonium-238, water, filtered, picocuries per liter Agree Dissolved 13981-16-3 Plutonium-238 pCi/L
22002 Radiochemical Plutonium-238 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-16-3 Plutonium-238 pCi/L
22010 Radiochemical Plutonium-239, water, filtered, picocuries per liter Agree Dissolved 15117-48-3 Plutonium-239 pCi/L
22011 Radiochemical Plutonium-239 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15117-48-3 Plutonium-239 pCi/L
22012 Radiochemical Plutonium-238, water, unfiltered, picocuries per liter Agree Total 13981-16-3 Plutonium-238 pCi/L
22013 Radiochemical Plutonium-238 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-16-3 Plutonium-238 pCi/L
22014 Radiochemical Plutonium-239, water, unfiltered, picocuries per liter Agree Total 15117-48-3 Plutonium-239 pCi/L
22015 Radiochemical Plutonium-239 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15117-48-3 Plutonium-239 pCi/L
22016 Radiochemical Plutonium-238, bed sediment, picocuries per gram Not checked Bed Sediment 13981-16-3 Plutonium-238 pCi/g
22020 Radiochemical Beryllium-7, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Bed Sediment 13966-02-4 Beryllium-7 dpm/g
22021 Radiochemical Cesium-137, bed sediment smaller than 62.5 microns, dry weight, picocuries per gram USGS use and no use by EPA Dry <62.5 microns Bed Sediment 10045-97-3 Cesium-137 pCi/g
22022 Radiochemical Lead-210, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Bed Sediment 14255-04-0 Lead-210 dpm/g
22023 Radiochemical Radium-226, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Bed Sediment 13982-63-3 Radium-226 dpm/g
22024 Radiochemical Beryllium-7, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Suspended 13966-02-4 Beryllium-7 dpm/g
22025 Radiochemical Cesium-137, suspended sediment smaller than 62.5 microns, dry weight, picocuries per gram USGS use and no use by EPA Dry <62.5 microns Suspended 10045-97-3 Cesium-137 pCi/g
22026 Radiochemical Lead-210, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Suspended 14255-04-0 Lead-210 dpm/g
22027 Radiochemical Radium-226, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram USGS use and no use by EPA Dry <62.5 microns Suspended 13982-63-3 Radium-226 dpm/g
22028 Radiochemical Radon-222, air, unfiltered, disintegrations per minute per liter Not checked 14859-67-7 Radon-222 dpm/l
22029 Radiochemical Radon-222 counting error, air, unfiltered, disintegrations per minute per liter Not checked Counting Error 14859-67-7 Radon-222 dpm/l
22030 Radiochemical Radon-222, water, unfiltered, disintegrations per minute per liter Not checked Total 14859-67-7 Radon-222 dpm/l
22031 Radiochemical Radon-222 counting error, water, unfiltered, disintegrations per minute per liter Not checked Counting Error Total 14859-67-7 Radon-222 dpm/l
22032 Radiochemical Polonium-210 2-sigma combined uncertainty, water, unfiltered, picocuries per liter Not checked 2-Sigma CSU 13981-52-7 pCi/L
22033 Radiochemical Nickel-59, water, unfiltered, picocuries per liter Not checked Recoverable 14336-70-0 pCi/L
22034 Radiochemical Nickel-59 counting error, water, unfiltered, picocuries per liter Not checked Recoverable 14336-70-0 pCi/L
22035 Radiochemical Nickel-59, water, filtered, picocuries per liter Not checked Dissolved 14336-70-0 pCi/L
22036 Radiochemical Nickel-59 counting error, water, filtered, picocuries per liter Not checked Dissolved 14336-70-0 pCi/L
22037 Radiochemical Nickel-63, water, filtered, picocuries per liter Not checked Dissolved 13981-37-8 Nickel-63 pCi/L
22038 Radiochemical Nickel-63 counting error, water, filtered, picocuries per liter Not checked Dissolved 13981-37-8 Nickel-63 pCi/L
22039 Radiochemical Uranium-234/uranium-238 activity ratio, water, filtered, ratio Not checked Dissolved None
22040 Radiochemical Uranium-234/uranium-238 activity ratio 2-sigma combined uncertainty, water, filtered, ratio Not checked 2-Sigma CSU Dissolved None
22041 Radiochemical Cesium-137, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram Not checked Dry <62.5 microns Bed Sediment 10045-97-3 Cesium-137 dpm/g
22150 Radiochemical Neptunium-237, water, unfiltered, picocuries per liter Not checked Recoverable 13994-20-2 pCi/L
22151 Radiochemical Neptunium-237 counting error, water, unfiltered, picocuries per liter Not checked Recoverable 13994-20-2 pCi/L
22383 Radiochemical Bismuth-214, water, unfiltered, picocuries per liter Agree Total 14733-03-0 Bismuth-214 pCi/L
22384 Radiochemical Bismuth-214 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14733-03-0 Bismuth-214 pCi/L
22450 Radiochemical Americium-241, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 14596-10-2 Americium-241 pCi/g
22501 Radiochemical Thorium-232, water, unfiltered, picocuries per liter Agree Total 7440-29-1 Thorium-232 pCi/L
22502 Radiochemical Thorium-232 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 7440-29-1 Thorium-232 pCi/L
22503 Radiochemical Thorium/uranium isotope ratio Agree Total ratio
22505 Radiochemical Thorium-228, water, unfiltered, picocuries per liter Agree Total 14274-82-9 Thorium-228 pCi/L
22601 Radiochemical Uranium-238, water, unfiltered, picocuries per liter Agree Total 7440-61-1 Uranium pCi/L
22602 Radiochemical Uranium-238 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 7440-61-1 Uranium pCi/L
22603 Radiochemical Uranium-238, water, filtered, picocuries per liter Agree Dissolved 7440-61-1 Uranium pCi/L
22604 Radiochemical Uranium-238 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 7440-61-1 Uranium pCi/L
22606 Radiochemical Uranium-234, water, unfiltered, picocuries per liter Agree Total 13966-29-5 Uranium-234 pCi/L
22607 Radiochemical Uranium-234 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13966-29-5 Uranium-234 pCi/L
22610 Radiochemical Uranium-234, water, filtered, picocuries per liter Agree Dissolved 13966-29-5 Uranium-234 pCi/L
22611 Radiochemical Uranium-234 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13966-29-5 Uranium-234 pCi/L
22612 Radiochemical Uranium-235, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 15117-96-1 Uranium-235 pCi/g
22620 Radiochemical Uranium-235, water, filtered, picocuries per liter Agree Dissolved 15117-96-1 Uranium-235 pCi/L
22622 Radiochemical Uranium-235, water, unfiltered, picocuries per liter Agree Total 15117-96-1 Uranium-235 pCi/L
22623 Radiochemical Uranium counting error, water, filtered, micrograms per liter Agree Counting Error Dissolved 7440-61-1 Uranium ug/l
22624 Radiochemical Uranium counting error, water, unfiltered, micrograms per liter Agree Counting Error Total 7440-61-1 Uranium ug/l
22703 Radiochemical Uranium (natural), water, filtered, micrograms per liter Agree Dissolved 7440-61-1 Uranium ug/l
22704 Radiochemical Uranium, water, unfiltered, recoverable, micrograms per liter Not checked Recoverable 7440-61-1 Uranium ug/l
22705 Radiochemical Uranium (natural), suspended sediment, total, micrograms per liter Agree Suspended 7440-61-1 Uranium ug/l
22706 Radiochemical Uranium, water, unfiltered, micrograms per liter as uranium(V,VI) oxide (U3O8) Agree Total 7440-61-1 Uranium ug/L U3O8
22707 Radiochemical Uranium (natural), bed sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7440-61-1 Uranium mg/kg
22709 Radiochemical Cesium-137, solids, dry weight, picocuries per gram Not checked Dry 10045-97-3 pCi/g
22710 Radiochemical Cesium-137 1-sigma precision estimate, solids, dry weight, picocuries per gram Not checked Dry 10045-97-3 pCi/g
22711 Radiochemical Lead-210, solids, dry weight, disintegrations per minute per gram Not checked Dry 14255-04-0 Lead-210 dpm/g
22712 Radiochemical Beryllium-7, solids, dry weight, disintegrations per minute per gram Not checked Dry 13966-02-4 Beryllium-7 dpm/g
22713 Radiochemical Radium-226, solids, dry weight, disintegrations per minute per gram Not checked Dry 13982-63-3 Radium-226 dpm/g
24501 Radiochemical Radium-224, water, unfiltered, picocuries per liter Agree Total 13233-32-4 Radium-224 pCi/L
26501 Radiochemical Thorium-230, water, unfiltered, picocuries per liter Agree Total 14269-63-7 Thorium-230 pCi/L
26503 Radiochemical Thorium-230, water, filtered, picocuries per liter Agree Dissolved 14269-63-7 Thorium-230 pCi/L
26504 Radiochemical Thorium-230 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14269-63-7 Thorium-230 pCi/L
26505 Radiochemical Thorium-230, suspended sediment, picocuries per liter Agree Suspended 14269-63-7 Thorium-230 pCi/L
26506 Radiochemical Thorium-230 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 14269-63-7 Thorium-230 pCi/L
26507 Radiochemical Thorium-230, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 14269-63-7 Thorium-230 pCi/g
26629 Radiochemical Thorium-228, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 14274-82-9 Thorium-228 pCi/g
26631 Radiochemical Thorium-232, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 7440-29-1 Thorium-232 pCi/g
27701 Radiochemical Zirconium-95, water, unfiltered, picocuries per liter Agree Total 13967-71-0 Zirconium-95 pCi/L
27702 Radiochemical Zirconium-95 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-71-0 Zirconium-95 pCi/L
27801 Radiochemical Niobium-95, water, unfiltered, picocuries per liter Agree Total 13967-76-5 Niobium-95 pCi/L
27802 Radiochemical Niobium-95 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-76-5 Niobium-95 pCi/L
27901 Radiochemical Ruthenium-103, water, unfiltered, picocuries per liter Agree Total 13968-53-1 Ruthenium-103 pCi/L
27902 Radiochemical Ruthenium-103 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13968-53-1 Ruthenium-103 pCi/L
28001 Radiochemical Ruthenium-106, water, unfiltered, picocuries per liter Agree Total 13967-48-1 Ruthenium-106 pCi/L
28002 Radiochemical Ruthenium-106 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-48-1 Ruthenium-106 pCi/L
28004 Radiochemical Apparent age, water, filtered, carbon-14, years before present Agree Dissolved years BP
28005 Radiochemical Radiocesium, water, filtered, Cs-137 curve, picocuries per liter Not checked Dissolved Cesium Radionuclides pCi/L
28006 Radiochemical Radiocesium, suspended sediment, Cs-137 curve, picocuries per liter Not checked Suspended Cesium Radionuclides pCi/L
28007 Radiochemical Radiocesium, water, unfiltered, Cs-137 curve, picocuries per liter Not checked Total Cesium Radionuclides pCi/L
28008 Radiochemical Radioruthenium, water, filtered, Ru-106 curve, picocuries per liter Not checked Dissolved Ruthenium Radionuclides pCi/L
28009 Radiochemical Radioruthenium, suspended sediment, Ru-106 curve, picocuries per liter Not checked Suspended Ruthenium Radionuclides pCi/L
28010 Radiochemical Radioruthenium, water, unfiltered, Ru-106 curve, picocuries per liter Not checked Total Ruthenium Radionuclides pCi/L
28011 Radiochemical Uranium (natural), water, unfiltered, micrograms per liter Agree Total 7440-61-1 Uranium ug/l
28012 Radiochemical Uranium (natural), water, unfiltered, picocuries per liter Agree Total 7440-61-1 Uranium pCi/L
28013 Radiochemical Uranium-234/uranium-238, water, filtered, ratio Agree Dissolved ratio
28014 Radiochemical Uranium-234, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment 13966-29-5 Uranium-234 pCi/g
28016 Radiochemical Uranium-238, bed sediment, dry weight, picocuries per gram Not checked Dry Bed Sediment Uranium pCi/g
28301 Radiochemical Iodine-131, water, unfiltered, picocuries per liter Agree Total 10043-66-0 Iodine-131 pCi/L
28302 Radiochemical Iodine-131 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 10043-66-0 Iodine-131 pCi/L
28401 Radiochemical Cesium-137, water, unfiltered, picocuries per liter Agree Total 10045-97-3 Cesium-137 pCi/L
28402 Radiochemical Cesium-137 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 10045-97-3 Cesium-137 pCi/L
28403 Radiochemical Cesium-137, water, filtered, picocuries per liter Agree Dissolved 10045-97-3 Cesium-137 pCi/L
28404 Radiochemical Cesium-137, suspended sediment, picocuries per liter Agree Suspended 10045-97-3 Cesium-137 pCi/L
28405 Radiochemical Cesium-137 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 10045-97-3 Cesium-137 pCi/L
28406 Radiochemical Cesium-137 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10045-97-3 Cesium-137 pCi/L
28410 Radiochemical Cesium-134, water, filtered, picocuries per liter Agree Dissolved 13967-70-9 Cesium-134 pCi/L
28411 Radiochemical Cesium-134 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13967-70-9 Cesium-134 pCi/L
28412 Radiochemical Cesium-134, suspended sediment, picocuries per liter Agree Suspended 13967-70-9 Cesium-134 pCi/L
28413 Radiochemical Cesium-134 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13967-70-9 Cesium-134 pCi/L
28414 Radiochemical Cesium-134, water, unfiltered, picocuries per liter Agree Total 13967-70-9 Cesium-134 pCi/L
28415 Radiochemical Cesium-134 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-70-9 Cesium-134 pCi/L
28601 Radiochemical Barium-140, water, unfiltered, picocuries per liter Agree Total 14798-08-4 Barium-140 pCi/L
28602 Radiochemical Barium-140 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14798-08-4 Barium-140 pCi/L
28701 Radiochemical Lanthanum-140, water, unfiltered, picocuries per liter Agree Total 13981-28-7 Lanthanum-140 pCi/L
28702 Radiochemical Lanthanum-140 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-28-7 Lanthanum-140 pCi/L
28801 Radiochemical Cerium-141, water, unfiltered, picocuries per liter Agree Total 13967-74-3 Cerium-141 pCi/L
28802 Radiochemical Cerium-141 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-74-3 Cerium-141 pCi/L
28901 Radiochemical Cerium-144, water, unfiltered, picocuries per liter Agree Total 14762-78-8 Cerium-144 pCi/L
28902 Radiochemical Cerium-144 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14762-78-8 Cerium-144 pCi/L
29301 Radiochemical Zinc-65, water, unfiltered, picocuries per liter Agree Total 13982-39-3 Zinc-65 pCi/L
29302 Radiochemical Zinc-65 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13982-39-3 Zinc-65 pCi/L
29401 Radiochemical Chromium-51, water, unfiltered, picocuries per liter Agree Total 14392-02-0 Chromium-51 pCi/L
29402 Radiochemical Chromium-51 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14392-02-0 Chromium-51 pCi/L
29501 Radiochemical Manganese-54, water, unfiltered, picocuries per liter Agree Total 13966-31-9 Manganese-54 pCi/L
29502 Radiochemical Manganese-54 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13966-31-9 Manganese-54 pCi/L
29601 Radiochemical Cobalt-60, water, unfiltered, picocuries per liter Agree Total 10198-40-0 Cobalt-60 pCi/L
29602 Radiochemical Cobalt-60 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 10198-40-0 Cobalt-60 pCi/L
29631 Radiochemical Scandium-46, water, filtered, picocuries per liter Agree Dissolved 13967-63-0 Scandium-46 pCi/L
29632 Radiochemical Scandium-46 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13967-63-0 Scandium-46 pCi/L
29633 Radiochemical Scandium-46, suspended sediment, picocuries per liter Agree Suspended 13967-63-0 Scandium-46 pCi/L
29634 Radiochemical Scandium-46 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13967-63-0 Scandium-46 pCi/L
29635 Radiochemical Scandium-46, water, unfiltered, picocuries per liter Agree Total 13967-63-0 Scandium-46 pCi/L
29636 Radiochemical Scandium-46 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13967-63-0 Scandium-46 pCi/L
29637 Radiochemical Lead-210 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram Not checked Dry 14255-04-0 dpm/g
29638 Radiochemical Beryllium-7 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram Not checked Dry 13966-02-4 dpm/g
29639 Radiochemical Radium-226 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram Not checked Dry 13982-63-3 dpm/g
29857 Radiochemical Actinium-228, water, unfiltered, picocuries per liter Agree Total 14331-83-0 Actinium-228 pCi/L
29858 Radiochemical Actinium-228 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14331-83-0 Actinium-228 pCi/L
29859 Radiochemical Actinium-228, water, filtered, picocuries per liter Agree Dissolved 14331-83-0 Actinium-228 pCi/L
29860 Radiochemical Actinium-228 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14331-83-0 Actinium-228 pCi/L
29861 Radiochemical Silver-108, water, unfiltered, picocuries per liter Agree Total 14391-65-2 Silver-108 pCi/L
29862 Radiochemical Silver-108 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14391-65-2 Silver-108 pCi/L
29863 Radiochemical Silver-108, water, filtered, picocuries per liter Agree Dissolved 14391-65-2 Silver-108 pCi/L
29864 Radiochemical Silver-108 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14391-65-2 Silver-108 pCi/L
29865 Radiochemical Americium-241, water, unfiltered, picocuries per liter Agree Total 14596-10-2 Americium-241 pCi/L
29866 Radiochemical Americium-241 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14596-10-2 Americium-241 pCi/L
29867 Radiochemical Americium-241, water, filtered, picocuries per liter Agree Dissolved 14596-10-2 Americium-241 pCi/L
29868 Radiochemical Americium-241 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14596-10-2 Americium-241 pCi/L
29869 Radiochemical Barium-140, water, filtered, picocuries per liter Agree Dissolved 14798-08-4 Barium-140 pCi/L
29870 Radiochemical Barium-140 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14798-08-4 Barium-140 pCi/L
29871 Radiochemical Beryllium-7, water, unfiltered, picocuries per liter Agree Total 13966-02-4 Beryllium-7 pCi/L
29872 Radiochemical Beryllium-7 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13966-02-4 Beryllium-7 pCi/L
29873 Radiochemical Beryllium-7, water, filtered, picocuries per liter Agree Dissolved 13966-02-4 Beryllium-7 pCi/L
29874 Radiochemical Beryllium-7 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13966-02-4 Beryllium-7 pCi/L
29875 Radiochemical Bismuth-214, water, filtered, picocuries per liter Agree Dissolved 14733-03-0 Bismuth-214 pCi/L
29876 Radiochemical Bismuth-214 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14733-03-0 Bismuth-214 pCi/L
29877 Radiochemical Cerium-141, water, filtered, picocuries per liter Agree Dissolved 13967-74-3 Cerium-141 pCi/L
29878 Radiochemical Cerium-141 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13967-74-3 Cerium-141 pCi/L
29879 Radiochemical Curium-242, water, unfiltered, picocuries per liter Agree Total 15510-73-3 Curium-242 pCi/L
29880 Radiochemical Curium-242 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15510-73-3 Curium-242 pCi/L
29881 Radiochemical Curium-242, water, filtered, picocuries per liter Agree Dissolved 15510-73-3 Curium-242 pCi/L
29882 Radiochemical Curium-242 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15510-73-3 Curium-242 pCi/L
29883 Radiochemical Curium-244, water, unfiltered, picocuries per liter Agree Total 13981-15-2 Curium-244 pCi/L
29884 Radiochemical Curium-244 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-15-2 Curium-244 pCi/L
29885 Radiochemical Curium-244, water, filtered, picocuries per liter Agree Dissolved 13981-15-2 Curium-244 pCi/L
29886 Radiochemical Curium-244 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-15-2 Curium-244 pCi/L
29887 Radiochemical Cobalt-57, water, unfiltered, picocuries per liter Agree Total 13981-50-5 Cobalt-57 pCi/L
29888 Radiochemical Cobalt-57 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-50-5 Cobalt-57 pCi/L
29889 Radiochemical Cobalt-57, water, filtered, picocuries per liter Agree Dissolved 13981-50-5 Cobalt-57 pCi/L
29890 Radiochemical Cobalt-57 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-50-5 Cobalt-57 pCi/L
29891 Radiochemical Cobalt-58, water, unfiltered, picocuries per liter Agree Total 13981-38-9 Cobalt-58 pCi/L
29892 Radiochemical Cobalt-58 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-38-9 Cobalt-58 pCi/L
29893 Radiochemical Cobalt-58, water, filtered, picocuries per liter Agree Dissolved 13981-38-9 Cobalt-58 pCi/L
29894 Radiochemical Cobalt-58 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-38-9 Cobalt-58 pCi/L
29895 Radiochemical Chromium-51, water, filtered, picocuries per liter Agree Dissolved 14392-02-0 Chromium-51 pCi/L
29896 Radiochemical Chromium-51 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14392-02-0 Chromium-51 pCi/L
29897 Radiochemical Cesium-144, water, unfiltered, picocuries per liter Agree Total 15701-05-0 pCi/L
29898 Radiochemical Cesium-144 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15701-05-0 pCi/L
29899 Radiochemical Cesium-144, water, filtered, picocuries per liter Agree Dissolved 15701-05-0 pCi/L
29900 Radiochemical Cesium-144 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15701-05-0 pCi/L
29901 Radiochemical Europium-155, water, unfiltered, picocuries per liter Agree Total 14391-16-3 Europium-155 pCi/L
29902 Radiochemical Europium-155 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14391-16-3 Europium-155 pCi/L
29903 Radiochemical Europium-155, water, filtered, picocuries per liter Agree Dissolved 14391-16-3 Europium-155 pCi/L
29904 Radiochemical Europium-155 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14391-16-3 Europium-155 pCi/L
29905 Radiochemical Hafnium-175, water, unfiltered, picocuries per liter Agree Total 15750-13-7 Hafnium-175 pCi/L
29906 Radiochemical Hafnium-175 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 15750-13-7 Hafnium-175 pCi/L
29907 Radiochemical Hafnium-175, water, filtered, picocuries per liter Agree Dissolved 15750-13-7 Hafnium-175 pCi/L
29908 Radiochemical Hafnium-175 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15750-13-7 Hafnium-175 pCi/L
29909 Radiochemical Hafnium-181, water, unfiltered, picocuries per liter Agree Total 14900-21-1 Hafnium-181 pCi/L
29910 Radiochemical Hafnium-181 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14900-21-1 Hafnium-181 pCi/L
29911 Radiochemical Hafnium-181, water, filtered, picocuries per liter Agree Dissolved 14900-21-1 Hafnium-181 pCi/L
29912 Radiochemical Hafnium-181 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14900-21-1 Hafnium-181 pCi/L
29913 Radiochemical Iodine-129, water, filtered, picocuries per liter Agree Dissolved 15046-84-1 Iodine-129 pCi/L
29914 Radiochemical Iodine-129 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15046-84-1 Iodine-129 pCi/L
29915 Radiochemical Iodine-131, water, filtered, picocuries per liter Agree Dissolved 10043-66-0 Iodine-131 pCi/L
29916 Radiochemical Iodine-131 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10043-66-0 Iodine-131 pCi/L
29917 Radiochemical Iodine-133, water, unfiltered, picocuries per liter Agree Total 14834-67-4 Iodine-133 pCi/L
29918 Radiochemical Iodine-133 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14834-67-4 Iodine-133 pCi/L
29919 Radiochemical Iodine-133, water, filtered, picocuries per liter Agree Dissolved 14834-67-4 Iodine-133 pCi/L
29920 Radiochemical Iodine-133 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14834-67-4 Iodine-133 pCi/L
29921 Radiochemical Lanthanum-140, water, filtered, picocuries per liter Agree Dissolved 13981-28-7 Lanthanum-140 pCi/L
29922 Radiochemical Lanthanum-140 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13981-28-7 Lanthanum-140 pCi/L
29923 Radiochemical Molybdenum-95, water, unfiltered, picocuries per liter Agree Total 14392-17-7 pCi/L
29924 Radiochemical Molybdenum-95 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14392-17-7 pCi/L
29925 Radiochemical Molybdenum-95, water, filtered, picocuries per liter Agree Dissolved 14392-17-7 pCi/L
29926 Radiochemical Molybdenum-95 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14392-17-7 pCi/L
29927 Radiochemical Molybdenum-99, water, unfiltered, picocuries per liter Agree Total 14119-15-4 Molybdenum-99 pCi/L
29928 Radiochemical Molybdenum-99 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14119-15-4 Molybdenum-99 pCi/L
29929 Radiochemical Molybdenum-99, water, filtered, picocuries per liter Agree Dissolved 14119-15-4 Molybdenum-99 pCi/L
29930 Radiochemical Molybdenum-99 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14119-15-4 Molybdenum-99 pCi/L
29931 Radiochemical Sodium-24, water, unfiltered, picocuries per liter Agree Total 13982-04-2 Sodium-24 pCi/L
29932 Radiochemical Sodium-24 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13982-04-2 Sodium-24 pCi/L
29933 Radiochemical Sodium-24, water, filtered, picocuries per liter Agree Dissolved 13982-04-2 Sodium-24 pCi/L
29934 Radiochemical Sodium-24 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13982-04-2 Sodium-24 pCi/L
29935 Radiochemical Niobium-95, water, filtered, picocuries per liter Agree Dissolved 13967-76-5 Niobium-95 pCi/L
29936 Radiochemical Niobium-95 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13967-76-5 Niobium-95 pCi/L
29937 Radiochemical Neodymium-147, water, unfiltered, picocuries per liter Agree Total 14269-74-0 Neodymium-147 pCi/L
29938 Radiochemical Neodymium-147 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14269-74-0 Neodymium-147 pCi/L
29939 Radiochemical Neodymium-147, water, filtered, picocuries per liter Agree Dissolved 14269-74-0 Neodymium-147 pCi/L
29940 Radiochemical Neodymium-147 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14269-74-0 Neodymium-147 pCi/L
29941 Radiochemical Neptunium-239, water, unfiltered, picocuries per liter Agree Total 13968-59-7 Neptunium-239 pCi/L
29942 Radiochemical Neptunium-239 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13968-59-7 Neptunium-239 pCi/L
29943 Radiochemical Neptunium-239, water, filtered, picocuries per liter Agree Dissolved 13968-59-7 Neptunium-239 pCi/L
29944 Radiochemical Neptunium-239 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13968-59-7 Neptunium-239 pCi/L
29945 Radiochemical Lead-212, water, filtered, picocuries per liter Agree Dissolved 15092-94-1 Lead-212 pCi/L
29946 Radiochemical Lead-212 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15092-94-1 Lead-212 pCi/L
29947 Radiochemical Lead-214, water, filtered, picocuries per liter Agree Dissolved 15067-28-4 Lead-214 pCi/L
29948 Radiochemical Lead-214 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15067-28-4 Lead-214 pCi/L
29949 Radiochemical Plutonium-239/plutonium-240 activity ratio, water, unfiltered, ratio Agree Total None
29950 Radiochemical Plutonium-239/plutonium-240 activity ratio counting error, water, unfiltered, ratio Agree Counting Error Total None
29951 Radiochemical Plutonium-239/plutonium-240 activity ratio, water, filtered, ratio Agree Dissolved None
29952 Radiochemical Plutonium-239/plutonium-240 activity ratio counting error, water, filtered, ratio Agree Counting Error Dissolved None
29953 Radiochemical Ruthenium-103, water, filtered, picocuries per liter Agree Dissolved 13968-53-1 Ruthenium-103 pCi/L
29954 Radiochemical Ruthenium-103 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13968-53-1 Ruthenium-103 pCi/L
29955 Radiochemical Antimony-124, water, unfiltered, picocuries per liter Agree Total 14683-10-4 Antimony-124 pCi/L
29956 Radiochemical Antimony-124 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14683-10-4 Antimony-124 pCi/L
29957 Radiochemical Antimony-124, water, filtered, picocuries per liter Agree Dissolved 14683-10-4 Antimony-124 pCi/L
29958 Radiochemical Antimony-124 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14683-10-4 Antimony-124 pCi/L
29959 Radiochemical Antimony-125, water, unfiltered, picocuries per liter Agree Total 14234-35-6 Antimony-125 pCi/L
29960 Radiochemical Antimony-125 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14234-35-6 Antimony-125 pCi/L
29961 Radiochemical Antimony-125, water, filtered, picocuries per liter Agree Dissolved 14234-35-6 Antimony-125 pCi/L
29962 Radiochemical Antimony-125 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14234-35-6 Antimony-125 pCi/L
29963 Radiochemical Strontium-91, water, unfiltered, picocuries per liter Agree Total 14331-91-0 Strontium-91 pCi/L
29964 Radiochemical Strontium-91 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14331-91-0 Strontium-91 pCi/L
29965 Radiochemical Strontium-91, water, filtered, picocuries per liter Agree Dissolved 14331-91-0 Strontium-91 pCi/L
29966 Radiochemical Strontium-91 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14331-91-0 Strontium-91 pCi/L
29967 Radiochemical Technetium-99, water, unfiltered, picocuries per liter Agree Total 14133-76-7 Technetium-99 pCi/L
29968 Radiochemical Technetium-99 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14133-76-7 Technetium-99 pCi/L
29969 Radiochemical Technetium-99, water, filtered, picocuries per liter Agree Dissolved 14133-76-7 Technetium-99 pCi/L
29970 Radiochemical Technetium-99 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14133-76-7 Technetium-99 pCi/L
29971 Radiochemical Tellurium-128, water, unfiltered, picocuries per liter Agree Total 14390-75-1 pCi/L
29972 Radiochemical Tellurium-128 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14390-75-1 pCi/L
29973 Radiochemical Tellurium-128, water, filtered, picocuries per liter Agree Dissolved 14390-75-1 pCi/L
29974 Radiochemical Tellurium-128 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14390-75-1 pCi/L
29975 Radiochemical Tellurium-132, water, unfiltered, picocuries per liter Agree Total 14234-28-7 Tellurium-132 pCi/L
29976 Radiochemical Tellurium-132 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14234-28-7 Tellurium-132 pCi/L
29977 Radiochemical Tellurium-132, water, filtered, picocuries per liter Agree Dissolved 14234-28-7 Tellurium-132 pCi/L
29978 Radiochemical Tellurium-132 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14234-28-7 Tellurium-132 pCi/L
29979 Radiochemical Thallium-208, water, unfiltered, picocuries per liter Agree Total 14913-50-9 Thallium-208 pCi/L
29980 Radiochemical Thallium-208 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14913-50-9 Thallium-208 pCi/L
29981 Radiochemical Thallium-208, water, filtered, picocuries per liter Agree Dissolved 14913-50-9 Thallium-208 pCi/L
29982 Radiochemical Thallium-208 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14913-50-9 Thallium-208 pCi/L
29983 Radiochemical Xenon-135, water, unfiltered, picocuries per liter Agree Total 14995-62-1 Xenon-135 pCi/L
29984 Radiochemical Xenon-135 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14995-62-1 Xenon-135 pCi/L
29985 Radiochemical Xenon-135, water, filtered, picocuries per liter Agree Dissolved 14995-62-1 Xenon-135 pCi/L
29986 Radiochemical Xenon-135 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14995-62-1 Xenon-135 pCi/L
29987 Radiochemical Yttrium-91 (metastable), water, unfiltered, picocuries per liter Agree Total 14234-24-3 Yttrium-91 pCi/L
29988 Radiochemical Yttrium-91 (metastable) counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14234-24-3 Yttrium-91 pCi/L
29989 Radiochemical Yttrium-91 (metastable), water, filtered, picocuries per liter Agree Dissolved 14234-24-3 Yttrium-91 pCi/L
29990 Radiochemical Yttrium-91 (metastable) counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 14234-24-3 Yttrium-91 pCi/L
29991 Radiochemical Zirconium-95, water, filtered, picocuries per liter Agree Dissolved 13967-71-0 Zirconium-95 pCi/L
29992 Radiochemical Zirconium-95 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13967-71-0 Zirconium-95 pCi/L
30312 Radiochemical Thorium, bed sediment, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 7440-29-1 Thorium-232 mg/kg
30313 Radiochemical Thorium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not agree Dry Suspended 7440-29-1 Thorium-232 mg/kg
30320 Radiochemical Uranium, bed sediment, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 7440-61-1 Uranium mg/kg
30321 Radiochemical Uranium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not agree Dry Suspended 7440-61-1 Uranium mg/kg
34980 Radiochemical Thorium, bed sediment smaller than 62.5 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Bed Sediment 7440-29-1 Thorium-232 mg/kg
34981 Radiochemical Thorium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-29-1 Thorium-232 mg/kg
34982 Radiochemical Thorium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Bed Sediment 7440-29-1 Thorium-232 mg/kg
34983 Radiochemical Thorium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-29-1 Thorium-232 mg/kg
34984 Radiochemical Thorium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-29-1 Thorium-232 mg/kg
35000 Radiochemical Uranium, bed sediment smaller than 62.5 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Bed Sediment 7440-61-1 Uranium mg/kg
35001 Radiochemical Uranium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-61-1 Uranium mg/kg
35002 Radiochemical Uranium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Bed Sediment 7440-61-1 Uranium mg/kg
35003 Radiochemical Uranium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-61-1 Uranium mg/kg
35004 Radiochemical Uranium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-61-1 Uranium mg/kg
35043 Radiochemical Thorium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-29-1 Thorium-232 mg/kg
35046 Radiochemical Uranium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-61-1 Uranium mg/kg
49256 Radiochemical Thorium, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-29-1 Thorium-232 mg/kg
49257 Radiochemical Uranium, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-61-1 Uranium mg/kg
49290 Radiochemical Gross alpha radioactivity, water, filtered, Am-241 curve, picocuries per liter Not checked Dissolved 12587-46-1 Alpha particle pCi/L
49469 Radiochemical Gross beta radioactivity counting error, water, unfiltered, Cs-137 curve, picocuries per liter Agree Counting Error Total 12587-47-2 Beta particle pCi/L
49470 Radiochemical Gross alpha radioactivity, water, unfiltered, Pu-239 curve, picocuries per liter Agree Total 12587-46-1 Alpha particle pCi/L
49471 Radiochemical Gross alpha radioactivity counting error, water, unfiltered, Pu-239 curve, picocuries per liter Agree Counting Error Total 12587-46-1 Alpha particle pCi/L
49472 Radiochemical Bismuth-212, water, unfiltered, picocuries per liter Agree Total 14913-49-6 Bismuth-212 pCi/L
49473 Radiochemical Bismuth-212 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14913-49-6 Bismuth-212 pCi/L
49474 Radiochemical Plutonium-239 plus plutonium-240 counting error, water, unfiltered, picocuries per liter Not checked Counting Error Total Plutonium-239 and Plutonium-240 combined pCi/L
49475 Radiochemical Plutonium-239 plus plutonium-240, water, unfiltered, picocuries per liter Not checked Total Plutonium-239 and Plutonium-240 combined pCi/L
49476 Radiochemical Europium-152, water, unfiltered, picocuries per liter Agree Total 14683-23-9 Europium-152 pCi/L
49477 Radiochemical Europium-152 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14683-23-9 Europium-152 pCi/L
49479 Radiochemical Plutonium-239 plus plutonium-240 counting error, water, filtered, picocuries per liter Not checked Counting Error Dissolved Plutonium-239 and Plutonium-240 combined pCi/L
49480 Radiochemical Nickel-63, water, unfiltered, picocuries per liter Agree Total 13981-37-8 Nickel-63 pCi/L
49481 Radiochemical Nickel-63 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-37-8 Nickel-63 pCi/L
49482 Radiochemical Chlorine-36, water, unfiltered, picocuries per liter Agree Total 13981-43-6 Chlorine-36 pCi/L
49483 Radiochemical Chlorine-36 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13981-43-6 Chlorine-36 pCi/L
49484 Radiochemical Plutonium-239 plus plutonium-240 counting error, suspended sediment, picocuries per liter Not checked Counting Error Suspended Plutonium-239 and Plutonium-240 combined pCi/L
49485 Radiochemical Plutonium-239 plus plutonium-240, suspended sediment, picocuries per liter Not checked Suspended Plutonium-239 and Plutonium-240 combined pCi/L
49486 Radiochemical Plutonium-238 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13981-16-3 Plutonium-238 pCi/L
49487 Radiochemical Plutonium-238, suspended sediment, picocuries per liter Agree Suspended 13981-16-3 Plutonium-238 pCi/L
49933 Radiochemical Carbon-14, water, filtered, percent modern Agree Dissolved 14762-75-5 Carbon-14 pct modern
49934 Radiochemical Carbon-14 counting error, water, filtered, percent modern Agree Counting Error Dissolved 14762-75-5 Carbon-14 pct modern
49935 Radiochemical Carbon-14 counting error, rock, percent modern Agree Counting Error 14762-75-5 Carbon-14 pct modern
49936 Radiochemical Carbon-14, rock, percent modern Agree 14762-75-5 Carbon-14 pct modern
49937 Radiochemical Gamma radioactivity scan 2-sigma combined uncertainty, water, filtered, picocuries per liter Agree 2-Sigma CSU Dissolved Gamma radiation pCi/L
49938 Radiochemical Gamma radioactivity scan, water, filtered, picocuries per liter Agree Dissolved Gamma radiation pCi/L
49939 Radiochemical Plutonium-238 2-sigma combined uncertainty, water, filtered, picocuries per liter Agree 2-Sigma CSU Dissolved 13981-16-3 Plutonium-238 pCi/L
49940 Radiochemical Plutonium-239 plus plutonium-240, water, filtered, picocuries per liter Not checked Dissolved Plutonium-239 and Plutonium-240 combined pCi/L
49941 Radiochemical Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, water, filtered, picocuries per liter Not checked 2-Sigma CSU Dissolved Plutonium-239 and Plutonium-240 combined pCi/L
49942 Radiochemical Americium-241 2-sigma combined uncertainty, water, filtered, picocuries per liter Agree 2-Sigma CSU Dissolved 14596-10-2 Americium-241 pCi/L
49943 Radiochemical Tritium 2-sigma combined uncertainty, water, unfiltered, picocuries per liter Agree 2-Sigma CSU Total 10028-17-8 Tritium pCi/L
49944 Radiochemical Gross alpha radioactivity, bed sediment, natural uranium curve, dry weight, milligrams per kilogram Agree Dry Bed Sediment 12587-46-1 Alpha particle mg/kg
49945 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, bed sediment, natural uranium curve, dry weight, milligrams per kilogram Agree 2-Sigma CSU Dry Bed Sediment 12587-46-1 Alpha particle mg/kg
49947 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, suspended sediment, natural uranium curve, dry weight, milligrams per kilogram Agree 2-Sigma CSU Dry Suspended 12587-46-1 Alpha particle mg/kg
49960 Radiochemical Gross alpha radioactivity, suspended sediment, Th-230 curve, dry weight, picocuries per gram Agree Dry Suspended 12587-46-1 Alpha particle pCi/g
49961 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, suspended sediment, Th-230 curve, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended 12587-46-1 Alpha particle pCi/g
49962 Radiochemical Gross beta radioactivity, bed sediment, Cs-137 curve, dry weight, picocuries per gram Agree Dry Bed Sediment 12587-47-2 Beta particle pCi/g
49963 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, bed sediment, Cs-137 curve, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment 12587-47-2 Beta particle pCi/g
49964 Radiochemical Gross beta radioactivity, suspended sediment, Cs-137 curve, dry weight, picocuries per gram Agree Dry Suspended 12587-47-2 Beta particle pCi/g
49965 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, suspended sediment, Cs-137 curve, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended 12587-47-2 Beta particle pCi/g
49967 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, suspended sediment, Sr-89/90 curve, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended 12587-47-2 Beta particle pCi/g
49968 Radiochemical Gamma radioactivity scan 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment Gamma radiation pCi/g
49970 Radiochemical Gamma radioactivity scan, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended Gamma radiation pCi/g
49971 Radiochemical Gamma radioactivity scan 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended Gamma radiation pCi/g
49972 Radiochemical Radium-226, bed sediment, dry weight, picocuries per gram Agree Dry Bed Sediment 13982-63-3 Radium-226 pCi/g
49973 Radiochemical Radium-226 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment 13982-63-3 Radium-226 pCi/g
49974 Radiochemical Plutonium-238, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 13981-16-3 Plutonium-238 pCi/g
49975 Radiochemical Plutonium-238 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended 13981-16-3 Plutonium-238 pCi/g
49976 Radiochemical Plutonium-239 plus plutonium-240, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended Plutonium-239 and Plutonium-240 combined pCi/g
49977 Radiochemical Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended Plutonium-239 and Plutonium-240 combined pCi/g
49978 Radiochemical Cesium-137, bed sediment, dry weight, picocuries per gram Agree Dry Bed Sediment 10045-97-3 Cesium-137 pCi/g
49979 Radiochemical Cesium-137 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment 10045-97-3 Cesium-137 pCi/g
49980 Radiochemical Americium-241, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 14596-10-2 Americium-241 pCi/g
49981 Radiochemical Americium-241 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Suspended 14596-10-2 Americium-241 pCi/g
50420 Radiochemical Plutonium-239 plus plutonium-240, bed sediment, dry weight, picocuries per gram Agree Dry Bed Sediment Plutonium-239 and Plutonium-240 combined pCi/g
50421 Radiochemical Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment Plutonium-239 and Plutonium-240 combined pCi/g
50422 Radiochemical Plutonium-238 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Agree 2-Sigma CSU Dry Bed Sediment 13981-16-3 Plutonium-238 pCi/g
50423 Radiochemical Plutonium-238, bed sediment, dry weight, picocuries per gram Agree Dry Bed Sediment 13981-16-3 Plutonium-238 pCi/g
50833 Radiochemical Radium-224, water, filtered, picocuries per liter Agree Dissolved 13233-32-4 Radium-224 pCi/L
50834 Radiochemical Radium-224 2-sigma combined uncertainty, water, filtered, picocuries per liter Agree 2-Sigma CSU Dissolved 13233-32-4 Radium-224 pCi/L
50835 Radiochemical Radium-224, water, unfiltered, picocuries per liter Agree Total 13233-32-4 Radium-224 pCi/L
50836 Radiochemical Radium-224 2-sigma combined uncertainty, water, unfiltered, picocuries per liter Agree 2-Sigma CSU Total 13233-32-4 Radium-224 pCi/L
50837 Radiochemical Radium-226, water, filtered, gamma count, picocuries per liter Agree Dissolved 13982-63-3 Radium-226 pCi/L
50838 Radiochemical Radium-226, water, unfiltered, gamma count, picocuries per liter Agree Total 13982-63-3 Radium-226 pCi/L
50839 Radiochemical Radium-228, water, unfiltered, gamma count, picocuries per liter Agree Total 15262-20-1 Radium-228 pCi/L
50840 Radiochemical Radium-228 2-sigma combined uncertainty, water, unfiltered, gamma count, picocuries per liter Agree 2-Sigma CSU Total 15262-20-1 Radium-228 pCi/L
50911 Radiochemical Radium-226 2-sigma combined uncertainty, water, filtered, gamma count, picocuries per liter Agree 2-Sigma CSU Dissolved 13982-63-3 Radium-226 pCi/L
50912 Radiochemical Radium-226 2-sigma combined uncertainty, water, unfiltered, gamma count, picocuries per liter Agree 2-Sigma CSU Total 13982-63-3 Radium-226 pCi/L
51170 Radiochemical Uranium, soil, field, x-ray fluorescence screening method, parts per million Not checked 7440-61-1 Uranium ppm
51172 Radiochemical Thorium, soil, field, x-ray fluorescence screening method, parts per million Not checked 7440-29-1 Thorium-232 ppm
51396 Radiochemical Thorium, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram Not checked Dry <150 um Bed Sediment 7440-29-1 mg/kg
51399 Radiochemical Uranium, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram Not checked Dry <150 um Bed Sediment 7440-61-1 Uranium mg/kg
51752 Radiochemical Uranium, soil, recoverable, wet weight, micrograms per kilogram Not checked Wet Recoverable 7440-61-1 Uranium ug/kg
52385 Radiochemical Uranium, bed sediment smaller than 250 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-61-1 mg/kg
53646 Radiochemical Uranium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-61-1 mg/kg
53672 Radiochemical Uranium, bed sediment, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7440-61-1 mg/kg
53719 Radiochemical Uranium, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7440-61-1 mg/kg
53956 Radiochemical Radium-228, borehole cuttings, dry weight, becquerels per gram Not checked 15262-20-1 bq/g
53957 Radiochemical Chlorine-36, water, filtered, picocuries per liter Not checked Dissolved 13981-43-6 pCi/L
53958 Radiochemical Chlorine-36 counting error, water, filtered, picocuries per liter Not checked Dissolved 13981-43-6 pCi/L
61053 Radiochemical Uranium, bed sediment smaller than 2 millimeters, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-61-1 Uranium mg/kg
61220 Radiochemical Gross beta radioactivity counting error, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter Agree Counting Error pCi/L
61722 Radiochemical Thorium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Agree Dry < 2 mm Bed Sediment 7440-29-1 Thorium-232 mg/kg
61738 Radiochemical Thorium-228, water, filtered, picocuries per liter Agree Dissolved 14274-82-9 Thorium-228 pCi/L
61739 Radiochemical Thorium-228 2-sigma combined uncertainty, water, filtered, picocuries per liter Agree 2-Sigma CSU Dissolved 14274-82-9 Thorium-228 pCi/L
61949 Radiochemical Plutonium-238 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 13981-16-3 Plutonium-238 pCi/L
61950 Radiochemical Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total Plutonium-239 and Plutonium-240 combined pCi/L
62159 Radiochemical Americium-241 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 14596-10-2 Americium-241 pCi/L
62160 Radiochemical Lead-210 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 14255-04-0 Lead-210 pCi/L
62161 Radiochemical Radium-226 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 13982-63-3 Radium-226 pCi/L
62162 Radiochemical Radium-228 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 15262-20-1 Radium-228 pCi/L
62163 Radiochemical Strontium-90 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 10098-97-2 Strontium-90 pCi/L
62164 Radiochemical Gross gamma radioactivity, water, unfiltered, picocuries per liter USGS use and no use by EPA Total Gamma radiation pCi/L
62165 Radiochemical Gross gamma radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total Gamma radiation pCi/L
62487 Radiochemical Lead-210, sediment, dry weight, becquerels per gram USGS use and no use by EPA Dry 14255-04-0 Lead-210 bq/g
62488 Radiochemical Lead-210 1-sigma precision estimate, sediment, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry 14255-04-0 Lead-210 bq/g
62489 Radiochemical Lead-210, soil, dry weight, becquerels per gram USGS use and no use by EPA Dry Total 14255-04-0 Lead-210 bq/g
62490 Radiochemical Lead-210 1-sigma precision estimate, soil, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry Total 14255-04-0 Lead-210 bq/g
62491 Radiochemical Cesium-137, sediment, dry weight, becquerels per gram USGS use and no use by EPA Dry 10045-97-3 Cesium-137 bq/g
62492 Radiochemical Cesium-137 1-sigma precision estimate, sediment, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry 10045-97-3 Cesium-137 bq/g
62493 Radiochemical Cesium-137, soil, dry weight, becquerels per gram USGS use and no use by EPA Dry Total 10045-97-3 Cesium-137 bq/g
62494 Radiochemical Cesium-137 1-sigma precision estimate, soil, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry Total 10045-97-3 Cesium-137 bq/g
62495 Radiochemical Beryllium-7, sediment, dry weight, becquerels per gram USGS use and no use by EPA Dry 13966-02-4 Beryllium-7 bq/g
62496 Radiochemical Beryllium-7 1-sigma precision estimate, sediment, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry 13966-02-4 Beryllium-7 bq/g
62497 Radiochemical Beryllium-7, soil, dry weight, becquerels per gram USGS use and no use by EPA Dry Total 13966-02-4 Beryllium-7 bq/g
62498 Radiochemical Beryllium-7 1-sigma precision estimate, soil, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry Total 13966-02-4 Beryllium-7 bq/g
62499 Radiochemical Radium-226, borehole cuttings, dry weight, becquerels per gram USGS use and no use by EPA Dry 13982-63-3 Radium-226 bq/g
62500 Radiochemical Radium-226 1-sigma precision estimate, borehole cuttings, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry 13982-63-3 Radium-226 bq/g
62501 Radiochemical Radium-226, soil, dry weight, becquerels per gram USGS use and no use by EPA Dry Total 13982-63-3 Radium-226 bq/g
62502 Radiochemical Radium-226 1-sigma precision estimate, soil, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry Total 13982-63-3 Radium-226 bq/g
62503 Radiochemical Potassium-40, sediment, dry weight, becquerels per gram USGS use and no use by EPA Dry 13966-00-2 Potassium-40 bq/g
62504 Radiochemical Potassium-40 1-sigma precision estimate, sediment, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry 13966-00-2 Potassium-40 bq/g
62505 Radiochemical Potassium-40, soil, dry weight, becquerels per gram USGS use and no use by EPA Dry Total 13966-00-2 Potassium-40 bq/g
62506 Radiochemical Potassium-40 1-sigma precision estimate, soil, dry weight, becquerels per gram USGS use and no use by EPA 1-Sigma CSU Dry Total 13966-00-2 Potassium-40 bq/g
62626 Radiochemical Americium-241 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA 2-Sigma CSU Dry Bed Sediment 14596-10-2 Americium-241 pCi/g
62627 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 12587-46-1 Alpha particle pCi/L
62628 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 12587-47-2 Beta particle pCi/L
62629 Radiochemical Strontium-90 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA 2-Sigma CSU Dry Bed Sediment 10098-97-2 Strontium-90 pCi/g
62630 Radiochemical Thorium-228 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 14274-82-9 Thorium-228 pCi/L
62631 Radiochemical Thorium-230 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 14269-63-7 Thorium-230 pCi/L
62632 Radiochemical Thorium-232 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 7440-29-1 Thorium-232 pCi/L
62633 Radiochemical Uranium-234 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 13966-29-5 Uranium-234 pCi/L
62634 Radiochemical Uranium-235 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 15117-96-1 Uranium-235 pCi/L
62635 Radiochemical Uranium-238 2-sigma combined uncertainty, water, unfiltered, picocuries per liter USGS use and no use by EPA 2-Sigma CSU Total 7440-61-1 Uranium pCi/L
62636 Radiochemical Gross alpha radioactivity, 72 hour count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 72 Hour Dissolved 12587-46-1 Alpha particle pCi/L
62637 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, 72 hour count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 2-Sigma CSU 72 Hour Dissolved 12587-46-1 Alpha particle pCi/L
62638 Radiochemical Gross alpha radioactivity minimum detectable concentration, 72 hour count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 72 Hour Dissolved 12587-46-1 Alpha particle pCi/L
62639 Radiochemical Gross alpha radioactivity, 30 day count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 30 Day Dissolved 12587-46-1 Alpha particle pCi/L
62640 Radiochemical Gross alpha radioactivity 2-sigma combined uncertainty, 30 day count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 2-Sigma CSU 30 Day Dissolved 12587-46-1 Alpha particle pCi/L
62641 Radiochemical Gross alpha radioactivity minimum detectable concentration, 30 day count, water, filtered, Th-230 curve, picocuries per liter USGS use and no use by EPA 30 Day Dissolved 12587-46-1 Alpha particle pCi/L
62642 Radiochemical Gross beta radioactivity, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 72 Hour Dissolved 12587-47-2 Beta particle pCi/L
62643 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 2-Sigma CSU 72 Hour Dissolved 12587-47-2 Beta particle pCi/L
62644 Radiochemical Gross beta radioactivity minimum detectable concentration, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 72 Hour Dissolved 12587-47-2 Beta particle pCi/L
62645 Radiochemical Gross beta radioactivity, 30 day count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 30 Day Dissolved 12587-47-2 Beta particle pCi/L
62646 Radiochemical Gross beta radioactivity 2-sigma combined uncertainty, 30 day count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 2-Sigma CSU 30 Day Dissolved 12587-47-2 Beta particle pCi/L
62647 Radiochemical Gross beta radioactivity minimum detectable concentration, 30 day count, water, filtered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 30 Day Dissolved 12587-47-2 Beta particle pCi/L
63014 Radiochemical Gross alpha radioactivity, 72 hour count, water, unfiltered, Th-230 curve, picocuries per liter USGS use and no use by EPA 72 Hour Total 12587-46-1 Alpha particle pCi/L
63015 Radiochemical Gross beta radioactivity, 72 hour count, water, unfiltered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 72 Hour Total 12587-47-2 Beta particle pCi/L
63016 Radiochemical Gross alpha radioactivity, 30 day recount, water, unfiltered, Th-230 curve, picocuries per liter USGS use and no use by EPA 30 Day Total 12587-46-1 Alpha particle pCi/L
63017 Radiochemical Gross beta radioactivity, 30 day recount, water, unfiltered, Cs-137 curve, picocuries per liter USGS use and no use by EPA 30 Day Total 12587-47-2 Beta particle pCi/L
63018 Radiochemical Gross alpha radioactivity, water, unfiltered, Th-230 curve, picocuries per liter USGS use and no use by EPA Total 12587-46-1 Alpha particle pCi/L
63019 Radiochemical Plutonium-241, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 14119-32-5 Plutonium-241 pCi/L
63020 Radiochemical Plutonium-241, water, unfiltered, picocuries per liter USGS use and no use by EPA Total 14119-32-5 Plutonium-241 pCi/L
63021 Radiochemical Plutonium-241, suspended sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Suspended 14119-32-5 Plutonium-241 pCi/g
63022 Radiochemical Plutonium-241, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Bed Sediment 14119-32-5 Plutonium-241 pCi/g
63023 Radiochemical Radium-224, suspended sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Suspended 13233-32-4 Radium-224 pCi/g
63024 Radiochemical Thorium-228, suspended sediment, picocuries per gram USGS use and no use by EPA Suspended 14274-82-9 Thorium-228 pCi/g
63025 Radiochemical Alpha-emitting isotopes of radium, water, unfiltered, picocuries per liter USGS use and no use by EPA Total pCi/L
63026 Radiochemical Alpha-emitting isotopes of radium, suspended sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Suspended pCi/g
63027 Radiochemical Alpha-emitting isotopes of radium, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Bed Sediment pCi/g
63028 Radiochemical Total radioactive strontium, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved Strontium Radionuclides pCi/L
63029 Radiochemical Total radioactive strontium, water, unfiltered, picocuries per liter USGS use and no use by EPA Total Strontium Radionuclides pCi/L
63030 Radiochemical Total radioactive strontium, suspended sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Suspended Strontium Radionuclides pCi/g
63031 Radiochemical Total radioactive strontium, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Bed Sediment Strontium Radionuclides pCi/g
63032 Radiochemical Uranium, water, unfiltered, micrograms per liter USGS use and no use by EPA Total 7440-61-1 Uranium ug/l
63033 Radiochemical Uranium, suspended sediment, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Suspended 7440-61-1 Uranium mg/kg
63807 Radiochemical Uranium, biota, tissue, recoverable, wet weight, milligrams per kilogram USGS use and no use by EPA Wet Recoverable 7440-61-1 Uranium mg/kg
64183 Radiochemical Uranium, solids, dry weight, recoverable, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-61-1 Uranium mg/kg
65221 Radiochemical Carbon-14 in organic carbon, water, filtered, percent modern USGS use and no use by EPA Dissolved 14762-75-5 pct modern
65222 Radiochemical Carbon-14 in organic carbon 1-sigma uncertainty, water, filtered, percent modern USGS use and no use by EPA 1-Sigma CSU Dissolved 14762-75-5 pct modern
65244 Radiochemical Carbon-14 in methane, water, dissolved, percent modern USGS use and no use by EPA Dissolved 14762-75-5 Carbon-14 %
68802 Radiochemical Uranium, bed sediment, recoverable, wet weight, micrograms per kilogram USGS use and no use by EPA Wet Bed Sediment 7440-61-1 Uranium ug/kg
69902 Radiochemical Carbon-14 in carbon dioxide 1-sigma uncertainty, soil gas, percent modern USGS use and no use by EPA 1-Sigma CSU 14762-75-5 Carbon-14 pct modern
69903 Radiochemical Carbon-14 in carbon dioxide, soil gas, percent modern USGS use and no use by EPA 14762-75-5 Carbon-14 pct modern
75031 Radiochemical Zirconium, niobium-95, counting error, water, unfiltered, picocuries per liter Agree Counting Error Total Zirconium/Niobium-95 pCi/L
75032 Radiochemical Zirconium, niobium-95, water, unfiltered, picocuries per liter Agree Total Zirconium/Niobium-95 pCi/L
75037 Radiochemical Potassium-40 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 13966-00-2 Potassium-40 pCi/L
75038 Radiochemical Potassium-40, water, unfiltered, picocuries per liter Agree Total 13966-00-2 Potassium-40 pCi/L
75936 Radiochemical Thorium-232 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 7440-29-1 Thorium-232 pCi/g
75937 Radiochemical Radium-228, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 15262-20-1 Radium-228 pCi/g
75939 Radiochemical Thorium-230, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 14269-63-7 Thorium-230 pCi/g
75940 Radiochemical Uranium-238, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 7440-61-1 Uranium pCi/g
75941 Radiochemical Uranium-234 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 13966-29-5 Uranium-234 pCi/g
75942 Radiochemical Uranium-234, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 13966-29-5 Uranium-234 pCi/g
75943 Radiochemical Radium-226 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 13982-63-3 Radium-226 pCi/g
75944 Radiochemical Radium-226, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 13982-63-3 Radium-226 pCi/g
75945 Radiochemical Polonium-210 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 13981-52-7 Polonium-210 pCi/g
75946 Radiochemical Lead-210, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 14255-04-0 Lead-210 pCi/g
75947 Radiochemical Uranium-235 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 15117-96-1 Uranium-235 pCi/g
75948 Radiochemical Radium-228 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 15262-20-1 Radium-228 pCi/g
75949 Radiochemical Lead-210 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 14255-04-0 Lead-210 pCi/g
75952 Radiochemical Thorium-230 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Suspended 14269-63-7 Thorium-230 pCi/g
75953 Radiochemical Thorium-232, suspended sediment, dry weight, picocuries per gram Agree Dry Suspended 7440-29-1 Thorium-232 pCi/g
75955 Radiochemical Alpha radioactivity 2-sigma combined uncertainty, bed sediment, Th-230 curve, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Bed Sediment 12587-46-1 Alpha particle pCi/g
75962 Radiochemical Uranium-238 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Bed Sediment Uranium pCi/g
75965 Radiochemical Alpha radioactivity 2-sigma combined uncertainty, bed sediment, natural uranium curve, dry weight, milligrams per kilogram Not agree 2-Sigma CSU Dry Bed Sediment 12587-46-1 Alpha particle mg/kg
75966 Radiochemical Beta radioactivity 2-sigma combined uncertainty, bed sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Bed Sediment 12587-47-2 Beta particle pCi/g
75968 Radiochemical Lead-210 2-sigma combined uncertainty, soil, dry weight, picocuries per gram Not agree 2-Sigma CSU Dry Total 14255-04-0 Lead-210 pCi/g
75975 Radiochemical Uranium-235, suspended sediment, dry weight, picocuries per gram Not agree Dry Suspended 15117-96-1 Uranium-235 pCi/g
75976 Radiochemical Thorium-232, water, filtered, picocuries per liter Agree Dissolved 7440-29-1 Thorium-232 pCi/L
75977 Radiochemical Radium-228, bed sediment, dry weight, picocuries per gram Agree Dry Bed Sediment 15262-20-1 Radium-228 pCi/g
75985 Radiochemical Tritium 2-sigma combined uncertainty, water, unfiltered, picocuries per liter Not checked 2-Sigma CSU Total 10028-17-8 Tritium pCi/L
75986 Radiochemical Alpha radioactivity 2-sigma combined uncertainty, water, filtered, natural uranium curve, micrograms per liter Not agree 2-Sigma CSU Dissolved 12587-46-1 Alpha particle ug/l
75987 Radiochemical Alpha radioactivity 2-sigma combined uncertainty, water, filtered, Th-230 curve, picocuries per liter Not agree 2-Sigma CSU Dissolved 12587-46-1 Alpha particle pCi/L
75988 Radiochemical Beta radioactivity 2-sigma combined uncertainty, water, filtered, Sr-90/Y-90 curve, picocuries per liter Not agree 2-Sigma CSU Dissolved 12587-47-2 Beta particle pCi/L
75989 Radiochemical Beta radioactivity 2-sigma combined uncertainty, water, filtered, Cs-137 curve, picocuries per liter Not agree 2-Sigma CSU Dissolved 12587-47-2 Beta particle pCi/L
75990 Radiochemical Uranium (natural) 2-sigma combined uncertainty, water, filtered, micrograms per liter Not agree 2-Sigma CSU Dissolved 7440-61-1 Uranium ug/l
75991 Radiochemical Uranium-238 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 7440-61-1 Uranium pCi/L
75992 Radiochemical Uranium-234 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 13966-29-5 Uranium-234 pCi/L
75993 Radiochemical Uranium (natural) 2-sigma combined uncertainty, water, unfiltered, micrograms per liter Not agree 2-Sigma CSU Total 7440-61-1 Uranium ug/l
75994 Radiochemical Uranium-235 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 15117-96-1 Uranium-235 pCi/L
75995 Radiochemical Lead-210 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 14255-04-0 Lead-210 pCi/L
75997 Radiochemical Thorium-230 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 14269-63-7 Thorium-230 pCi/L
75998 Radiochemical Polonium-210 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 13981-52-7 Polonium-210 pCi/L
75999 Radiochemical Thorium-232 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 7440-29-1 Thorium-232 pCi/L
76000 Radiochemical Radium-228 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 15262-20-1 Radium-228 pCi/L
76001 Radiochemical Radium-226 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 13982-63-3 Radium-226 pCi/L
76002 Radiochemical Radon-222 2-sigma combined uncertainty, water, unfiltered, picocuries per liter Not agree 2-Sigma CSU Total 14859-67-7 Radon-222 pCi/L
76003 Radiochemical Strontium-90 2-sigma combined uncertainty, water, filtered, picocuries per liter Not agree 2-Sigma CSU Dissolved 10098-97-2 Strontium-90 pCi/L
76004 Radiochemical Alpha radioactivity 2-sigma combined uncertainty, suspended sediment, Th-230 curve, picocuries per liter Not agree 2-Sigma CSU Suspended 12587-46-1 Alpha particle pCi/L
76005 Radiochemical Beta radioactivity 2-sigma combined uncertainty, suspended sediment, Cs-137 curve, picocuries per liter Not agree 2-Sigma CSU Suspended 12587-47-2 Beta particle pCi/L
76006 Radiochemical Lead-210, soil, dry weight, picocuries per gram Agree Dry Total 14255-04-0 Lead-210 pCi/g
76007 Radiochemical Cesium-137, soil, dry weight, picocuries per gram Not checked Dry Total 10045-97-3 Cesium-137 pCi/g
80010 Radiochemical Uranium, water, filtered, direct fluorometric method, picocuries per liter Agree Dissolved 7440-61-1 Uranium pCi/L
80015 Radiochemical Uranium, water, filtered, extraction fluorometric method, picocuries per liter Agree Dissolved 7440-61-1 Uranium pCi/L
80020 Radiochemical Uranium, water, filtered, extraction fluorometric method, micrograms per liter Agree Dissolved 7440-61-1 Uranium ug/l
80029 Radiochemical Gross alpha radioactivity, water, unfiltered, natural uranium curve, micrograms per liter Not agree Total 12587-46-1 Alpha particle ug/l
80030 Radiochemical Gross alpha radioactivity, water, filtered, natural uranium curve, micrograms per liter Agree Dissolved 12587-46-1 Alpha particle ug/l
80040 Radiochemical Gross alpha radioactivity, suspended sediment, natural uranium curve, micrograms per liter Agree Suspended 12587-46-1 Alpha particle ug/l
80049 Radiochemical Gross beta radioactivity, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter Agree Total 12587-47-2 Beta particle pCi/L
80050 Radiochemical Gross beta radioactivity, water, filtered, Sr-90/Y-90 curve, picocuries per liter Agree Dissolved 12587-47-2 Beta particle pCi/L
80060 Radiochemical Gross beta radioactivity, suspended sediment, Sr-90/Y-90 curve, picocuries per liter Agree Suspended 12587-47-2 Beta particle pCi/L
81366 Radiochemical Radium-228, water, filtered, picocuries per liter Agree Dissolved 15262-20-1 Radium-228 pCi/L
81367 Radiochemical Radium-228 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 15262-20-1 Radium-228 pCi/L
81368 Radiochemical Radium-228, suspended sediment, picocuries per liter Agree Suspended 15262-20-1 Radium-228 pCi/L
81369 Radiochemical Radium-228 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 15262-20-1 Radium-228 pCi/L
82068 Radiochemical Potassium-40, water, filtered, picocuries per liter Agree Dissolved 13966-00-2 Potassium-40 pCi/L
82069 Radiochemical Potassium-40 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 13966-00-2 Potassium-40 pCi/L
82071 Radiochemical Potassium-40 counting error, suspended sediment, picocuries per liter Agree Counting Error Suspended 13966-00-2 Potassium-40 pCi/L
82087 Radiochemical Uranium-238/uranium-234, water, unfiltered, ratio Not checked Total Uranium 238/234 ratio ratio
82171 Radiochemical Adjusted age, water, filtered, carbon-14, years Agree Dissolved years
82172 Radiochemical Carbon-14, percent modern Agree 14762-75-5 Carbon-14 pct modern
82302 Radiochemical Radon-222 counting error, water, unfiltered, picocuries per liter Agree Counting Error Total 14859-67-7 Radon-222 pCi/L
82303 Radiochemical Radon-222, water, unfiltered, picocuries per liter Agree Total 14859-67-7 Radon-222 pCi/L
82304 Radiochemical Radon-222 counting error, water, dissolved, picocuries per liter Agree Counting Error Dissolved 14859-67-7 Radon-222 pCi/L
82305 Radiochemical Radon-222, water, dissolved, picocuries per liter Agree Dissolved 14859-67-7 Radon-222 pCi/L
82306 Radiochemical Cobalt-60 counting error, water, filtered, picocuries per liter Agree Counting Error Dissolved 10198-40-0 Cobalt-60 pCi/L
82307 Radiochemical Cobalt-60, water, filtered, picocuries per liter Agree Dissolved 10198-40-0 Cobalt-60 pCi/L
82313 Radiochemical Thorium, bed sediment, dry weight, micrograms per kilogram Agree Dry Bed Sediment 7440-29-1 Thorium-232 ug/kg
82362 Radiochemical Radon-222, water, dissolved, picocuries per liter Agree Dissolved 14859-67-7 Radon-222 pCi/L
82364 Radiochemical Thorium, water, unfiltered, micrograms per liter Agree Total 7440-29-1 Thorium-232 ug/l
82365 Radiochemical Thorium, water, filtered, micrograms per liter Agree Dissolved 7440-29-1 Thorium-232 ug/l
82735 Radiochemical Carbon-14, organic solid materials, percent modern Not checked 14762-75-5 pct modern
82738 Radiochemical Chlorine-36/chlorine-35 ratio in perchlorate, water, unfiltered, ratio Not checked Total 13981-43-6 Chlorine-36 ratio
82800 Radiochemical Uranium-238/uranium-235, water, filtered, ratio Not checked Dissolved ratio
82801 Radiochemical Uranium-238/uranium-234, water, filtered, ratio Not checked Dissolved Uranium 238/234 ratio ratio
85608 Radiochemical Krypton-78, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 33580-79-9 cm3/g @STP
85609 Radiochemical Krypton-78 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 33580-79-9 cm3/g @STP
85620 Radiochemical Xenon-124, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 15687-60-2 cm3/g @STP
85621 Radiochemical Xenon-124 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 15687-60-2 cm3/g @STP
85634 Radiochemical Xenon-136, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 15751-79-8 cm3/g @STP
85635 Radiochemical Xenon-136 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 15751-79-8 cm3/g @STP
85636 Radiochemical Argon-39, water, unfiltered, percent modern argon Not checked Dissolved 25729-41-3 pct modern
85637 Radiochemical Argon-39 error, water, unfiltered, percent modern argon Not checked Dissolved 25729-41-3 pct modern
85638 Radiochemical Krypton-81, water, dissolved, percent modern krypton Not checked Dissolved 15678-91-8 pct modern
85639 Radiochemical Krypton-81 error, water, dissolved, percent modern krypton Not checked Dissolved 15678-91-8 pct modern
85640 Radiochemical Krypton-85, water, unfiltered, disintegrations per minute per cubic centimeter at standard temperature and pressure Not checked Dissolved 13983-27-2 dpm/cm3
85641 Radiochemical Krypton-85 error, water, unfiltered, disintegrations per minute per cubic centimeter at standard temperature and pressure Not checked Dissolved 13983-27-2 dpm/cm3
85817 Radiochemical Gross beta radioactivity, water, unfiltered, picocuries per liter Agree Total 12587-47-2 Beta particle pCi/L
91703 Radiochemical Uranium, solids, 10% nitric acid extracted, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-61-1 Uranium mg/kg
91725 Radiochemical Uranium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-61-1 Uranium mg/kg
99323 Radiochemical Gross beta radioactivity sample-specific minimum detectable concentration, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 12587-47-2 Beta particle pCi/L
99324 Radiochemical Radium-224 sample-specific minimum detectable concentration, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 13233-32-4 Radium-224 pCi/L
99325 Radiochemical Radium-226 sample-specific minimum detectable concentration, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 13982-63-3 Radium-226 pCi/L
99326 Radiochemical Radium-228 sample-specific minimum detectable concentration, water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 15262-20-1 Radium-228 pCi/L
99327 Radiochemical Radon-222 sample-specific minimum detectable concentration, water, unfiltered, picocuries per liter USGS use and no use by EPA Total 14859-67-7 Radon-222 pCi/L
99337 Radiochemical Gross alpha radioactivity 2X critical level (sample-specific minimum detectable concentration), water, filtered, picocuries per liter USGS use and no use by EPA Dissolved 12587-46-1 Alpha particle pCi/L
99451 Radiochemical Gamma radioactivity scan, bed sediment, dry weight, picocuries per gram USGS use and no use by EPA Dry Bed Sediment Gamma radiation pCi/g
