# # National Water Information System # 2024/03/28 # # # 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 29s 168s 26s 18s 0s 3s 14s 12s 0s 10s 44s 10s 00715 Inorganics, Minor, Non-metals Cyanide, free, soil, dry weight, milligrams per kilogram Not checked Total mg/kg 00716 Inorganics, Minor, Non-metals Cyanide, free, bed sediment, dry weight, milligrams per kilogram Not checked Bed Sediment mg/kg 00717 Inorganics, Minor, Non-metals Cyanide, weak acid, dissociable, water, filtered, micrograms per liter Not checked Dissolved 57-12-5 Cyanide ug/l 00718 Inorganics, Minor, Non-metals Cyanide, weak acid, dissociable, water, unfiltered, micrograms per liter Agree Total 57-12-5 ug/l 00720 Inorganics, Minor, Non-metals Cyanide, water, unfiltered, milligrams per liter Agree Total 57-12-5 Cyanide mg/l 00721 Inorganics, Minor, Non-metals Cyanide, bed sediment, total, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 57-12-5 Cyanide mg/kg 00722 Inorganics, Minor, Non-metals Cyanide, free, amenable to chlorination, water, unfiltered, milligrams per liter Not checked Total Cyanides amenable to chlorination (HCN & CN) mg/l 00723 Inorganics, Minor, Non-metals Cyanide, water, filtered, milligrams per liter Not agree Dissolved 57-12-5 Cyanide mg/l 00730 Inorganics, Minor, Non-metals Thiocyanate, water, unfiltered, milligrams per liter Agree Total 302-04-5 Thiocyanate mg/l 00731 Inorganics, Minor, Non-metals Thiocyanate, water, filtered, milligrams per liter Agree Dissolved 302-04-5 Thiocyanate mg/l 00738 Inorganics, Minor, Non-metals Tetrathionate, water, filtered, milligrams per liter Agree Dissolved 15536-54-6 mg/l 00739 Inorganics, Minor, Non-metals Tetrathionate, water, unfiltered, milligrams per liter Agree Total 15536-54-6 mg/l 00740 Inorganics, Minor, Non-metals Sulfite, water, unfiltered, milligrams per liter Not checked Total 14265-45-3 Sulfite (SO3) mg/l 00978 Inorganics, Minor, Non-metals Arsenic, water, unfiltered, recoverable, micrograms per liter Agree Recoverable 7440-38-2 Arsenic ug/l 00997 Inorganics, Minor, Non-metals Inorganic arsenic, water, unfiltered, micrograms per liter as arsenic Agree Total ug/l 00999 Inorganics, Minor, Non-metals Boron, water, unfiltered, recoverable, micrograms per liter Agree Recoverable 7440-42-8 Boron ug/l 01000 Inorganics, Minor, Non-metals Arsenic, water, filtered, micrograms per liter Agree Dissolved 7440-38-2 Arsenic ug/l 01001 Inorganics, Minor, Non-metals Arsenic, suspended sediment, total, micrograms per liter Not agree Suspended 7440-38-2 Arsenic ug/l 01002 Inorganics, Minor, Non-metals Arsenic, water, unfiltered, micrograms per liter Agree Total 7440-38-2 Arsenic ug/l 01003 Inorganics, Minor, Non-metals Arsenic, bed sediment, total digestion, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 7440-38-2 Arsenic mg/kg 01020 Inorganics, Minor, Non-metals Boron, water, filtered, micrograms per liter Agree Dissolved 7440-42-8 Boron ug/l 01021 Inorganics, Minor, Non-metals Boron, suspended sediment, recoverable, micrograms per liter Not agree Suspended 7440-42-8 Boron ug/l 01022 Inorganics, Minor, Non-metals Boron, water, unfiltered, recoverable, micrograms per liter Not agree Recoverable 7440-42-8 Boron ug/l 01023 Inorganics, Minor, Non-metals Boron, bed sediment, recoverable, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 7440-42-8 Boron mg/kg 01064 Inorganics, Minor, Non-metals Tellurium, water, unfiltered, micrograms per liter Not checked Total 13494-80-9 Tellurium ug/l 01095 Inorganics, Minor, Non-metals Antimony, water, filtered, micrograms per liter Agree Dissolved 7440-36-0 Antimony ug/l 01096 Inorganics, Minor, Non-metals Antimony, suspended sediment, total, micrograms per liter Not checked Suspended 7440-36-0 Antimony ug/l 01097 Inorganics, Minor, Non-metals Antimony, water, unfiltered, micrograms per liter Not checked Total 7440-36-0 Antimony ug/l 01098 Inorganics, Minor, Non-metals Antimony, bed sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7440-36-0 Antimony mg/kg 01125 Inorganics, Minor, Non-metals Germanium, water, filtered, micrograms per liter Agree Dissolved 7440-56-4 Germanium ug/l 01126 Inorganics, Minor, Non-metals Germanium, suspended sediment, total, micrograms per liter Not checked Suspended 7440-56-4 Germanium ug/l 01127 Inorganics, Minor, Non-metals Germanium, water, unfiltered, micrograms per liter Not checked Total 7440-56-4 Germanium ug/l 01145 Inorganics, Minor, Non-metals Selenium, water, filtered, micrograms per liter Agree Dissolved 7782-49-2 Selenium ug/l 01146 Inorganics, Minor, Non-metals Selenium, suspended sediment, total, micrograms per liter Not checked Suspended 7782-49-2 Selenium ug/l 01147 Inorganics, Minor, Non-metals Selenium, water, unfiltered, micrograms per liter Not checked Total 7782-49-2 Selenium ug/l 01148 Inorganics, Minor, Non-metals Selenium, bed sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7782-49-2 Selenium mg/kg 01227 Inorganics, Minor, Non-metals Selenium, soluble, dry atmospheric deposition, micrograms per kilogram Agree 7782-49-2 Selenium ug/kg 01228 Inorganics, Minor, Non-metals Selenium, insoluble, dry atmospheric deposition, micrograms per kilogram Agree 7782-49-2 Selenium ug/kg 01229 Inorganics, Minor, Non-metals Selenium, total, dry atmospheric deposition, micrograms per kilogram Agree Total 7782-49-2 Selenium ug/kg 01251 Inorganics, Minor, Non-metals Dimethyl selenoxide, water, filtered, recoverable, micrograms per liter as selenium Not checked Dissolved 4371-90-8 ug/l 01252 Inorganics, Minor, Non-metals Selenosulfate, water, filtered, recoverable, micrograms per liter as selenium Not checked Dissolved 16450-48-9 ug/l 01253 Inorganics, Minor, Non-metals Selenium species minus known selenium species (Se(IV) + Se(VI) + SeCN + MeSe(IV) + SeMet + SeSO3 + DMSeO + MeSe(VI)), water, filtered, recoverable, micrograms per liter Not checked Dissolved ug/l 01399 Inorganics, Minor, Non-metals Antimony, soil, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7440-36-0 Antimony mg/kg 01400 Inorganics, Minor, Non-metals Arsenic, soil, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7440-38-2 Arsenic mg/kg 01414 Inorganics, Minor, Non-metals Selenium, soil, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7782-49-2 Selenium mg/kg 01439 Inorganics, Minor, Non-metals Antimony, biota, tissue, total digestion, dry weight, milligrams per kilogram Not checked Dry 7440-36-0 Antimony mg/kg 01440 Inorganics, Minor, Non-metals Arsenic, biota, tissue, total digestion, dry weight, milligrams per kilogram Not checked Dry 7440-38-2 Arsenic mg/kg 01454 Inorganics, Minor, Non-metals Selenium, biota, tissue, total digestion, dry weight, milligrams per kilogram Not checked Dry 7782-49-2 Selenium mg/kg 01487 Inorganics, Minor, Non-metals Tellurium, bed sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 13494-80-9 mg/kg 03918 Inorganics, Minor, Non-metals Tellurium, biota, tissue, total digestion, dry weight, milligrams per kilogram Not checked Dry 13494-80-9 mg/kg 03928 Inorganics, Minor, Non-metals Selenium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 0.0625 Bed Sediment 7782-49-2 Selenium mg/kg 03929 Inorganics, Minor, Non-metals Antimony, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 0.0625 Bed Sediment 7440-36-0 Antimony mg/kg 03933 Inorganics, Minor, Non-metals Arsenic, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 0.0625 Bed Sediment 7440-38-2 Arsenic mg/kg 04043 Inorganics, Minor, Non-metals Antimony, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-36-0 Antimony mg/kg 04044 Inorganics, Minor, Non-metals Arsenic, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-38-2 Arsenic mg/kg 04048 Inorganics, Minor, Non-metals Boron, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-42-8 Boron mg/kg 04057 Inorganics, Minor, Non-metals Germanium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7440-56-4 Germanium mg/kg 29816 Inorganics, Minor, Non-metals Antimony, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-36-0 Antimony mg/kg 29817 Inorganics, Minor, Non-metals Antimony, soil, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-36-0 Antimony mg/kg 29818 Inorganics, Minor, Non-metals Arsenic, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-38-2 Arsenic mg/kg 29819 Inorganics, Minor, Non-metals Arsenic, soil, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-38-2 Arsenic mg/kg 29824 Inorganics, Minor, Non-metals Boron, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-42-8 Boron mg/kg 29825 Inorganics, Minor, Non-metals Boron, soil, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-42-8 Boron mg/kg 29847 Inorganics, Minor, Non-metals Selenium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7782-49-2 Selenium mg/kg 29848 Inorganics, Minor, Non-metals Selenium, soil, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7782-49-2 Selenium mg/kg 30222 Inorganics, Minor, Non-metals Antimony, bed sediment, dry weight, percent Agree Dry Bed Sediment 7440-36-0 Antimony % 30223 Inorganics, Minor, Non-metals Antimony, suspended sediment, total digestion, dry weight, percent Not checked Dry Suspended 7440-36-0 Antimony % 30224 Inorganics, Minor, Non-metals Arsenic, bed sediment, dry weight, percent Agree Dry Bed Sediment 7440-38-2 Arsenic % 30225 Inorganics, Minor, Non-metals Arsenic, suspended sediment, total digestion, dry weight, percent Not checked Dry Suspended 7440-38-2 Arsenic % 30232 Inorganics, Minor, Non-metals Boron, bed sediment, dry weight, percent Agree Dry Bed Sediment 7440-42-8 Boron % 30233 Inorganics, Minor, Non-metals Boron, suspended sediment, total digestion, dry weight, percent Not checked Dry Suspended 7440-42-8 Boron % 30260 Inorganics, Minor, Non-metals Germanium, bed sediment, dry weight, percent Agree Dry Bed Sediment 7440-56-4 Germanium % 30261 Inorganics, Minor, Non-metals Germanium, suspended sediment, total digestion, dry weight, percent Not checked Dry Suspended 7440-56-4 Germanium % 30299 Inorganics, Minor, Non-metals Selenium, bed sediment, dry weight, milligrams per kilogram Not agree Dry Bed Sediment 7782-49-2 Selenium mg/kg 30300 Inorganics, Minor, Non-metals Selenium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not agree Dry Suspended 7782-49-2 Selenium mg/kg 30361 Inorganics, Minor, Non-metals Perchlorate, bed sediment, recoverable, dry weight, micrograms per kilogram Not checked Dry Bed Sediment 14797-73-0 ug/kg 34225 Inorganics, Minor, Non-metals Asbestos (fibrous), water, unfiltered, micrograms per liter Agree Total 1332-21-4 Asbestos ug/l 34226 Inorganics, Minor, Non-metals Asbestos (fibrous), water, filtered, micrograms per liter Agree Dissolved 1332-21-4 Asbestos ug/l 34227 Inorganics, Minor, Non-metals Asbestos (fibrous), suspended sediment, micrograms per liter Agree Suspended 1332-21-4 Asbestos ug/l 34228 Inorganics, Minor, Non-metals Asbestos (fibrous), bed sediment, dry weight, micrograms per kilogram Agree Dry Bed Sediment 1332-21-4 Asbestos ug/kg 34325 Inorganics, Minor, Non-metals Cyanide, suspended sediment, micrograms per liter Not agree Suspended 57-12-5 Cyanide ug/l 34795 Inorganics, Minor, Non-metals Antimony, 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 7440-36-0 Antimony mg/kg 34796 Inorganics, Minor, Non-metals Antimony, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-36-0 Antimony mg/kg 34797 Inorganics, Minor, Non-metals Antimony, 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 7440-36-0 Antimony mg/kg 34798 Inorganics, Minor, Non-metals Antimony, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-36-0 Antimony mg/kg 34799 Inorganics, Minor, Non-metals Antimony, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-36-0 Antimony mg/kg 34800 Inorganics, Minor, Non-metals Arsenic, 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 7440-38-2 Arsenic mg/kg 34801 Inorganics, Minor, Non-metals Arsenic, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-38-2 Arsenic mg/kg 34802 Inorganics, Minor, Non-metals Arsenic, 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 7440-38-2 Arsenic mg/kg 34803 Inorganics, Minor, Non-metals Arsenic, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-38-2 Arsenic mg/kg 34804 Inorganics, Minor, Non-metals Arsenic, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-38-2 Arsenic mg/kg 34820 Inorganics, Minor, Non-metals Boron, 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 7440-42-8 Boron mg/kg 34821 Inorganics, Minor, Non-metals Boron, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-42-8 Boron mg/kg 34822 Inorganics, Minor, Non-metals Boron, 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 7440-42-8 Boron mg/kg 34823 Inorganics, Minor, Non-metals Boron, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-42-8 Boron mg/kg 34824 Inorganics, Minor, Non-metals Boron, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-42-8 Boron mg/kg 34865 Inorganics, Minor, Non-metals Germanium, 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 7440-56-4 Germanium mg/kg 34866 Inorganics, Minor, Non-metals Germanium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7440-56-4 Germanium mg/kg 34867 Inorganics, Minor, Non-metals Germanium, 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 7440-56-4 Germanium mg/kg 34868 Inorganics, Minor, Non-metals Germanium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7440-56-4 Germanium mg/kg 34869 Inorganics, Minor, Non-metals Germanium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7440-56-4 Germanium mg/kg 34950 Inorganics, Minor, Non-metals Selenium, 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 7782-49-2 Selenium mg/kg 34951 Inorganics, Minor, Non-metals Selenium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram Not checked Dry < 177 microns Bed Sediment 7782-49-2 Selenium mg/kg 34952 Inorganics, Minor, Non-metals Selenium, 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 7782-49-2 Selenium mg/kg 34953 Inorganics, Minor, Non-metals Selenium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry < 62.5 microns Suspended 7782-49-2 Selenium mg/kg 34954 Inorganics, Minor, Non-metals Selenium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram Not checked Dry > 62.5 microns Suspended 7782-49-2 Selenium mg/kg 35034 Inorganics, Minor, Non-metals Germanium, suspended sediment, total digestion, dry weight, milligrams per kilogram Not checked Dry Suspended 7440-56-4 Germanium mg/kg 49239 Inorganics, Minor, Non-metals Boron, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-42-8 Boron mg/kg 49246 Inorganics, Minor, Non-metals Antimony, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-36-0 Antimony mg/kg 49247 Inorganics, Minor, Non-metals Arsenic, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7440-38-2 Arsenic mg/kg 49254 Inorganics, Minor, Non-metals Selenium, biota, tissue, recoverable, dry weight, milligrams per kilogram Agree Dry Recoverable 7782-49-2 Selenium mg/kg 50316 Inorganics, Minor, Non-metals Arsenic acid, water, filtered, micrograms per liter Agree Dissolved 7778-39-4 Arsenic acid ug/l 50585 Inorganics, Minor, Non-metals Tellurium, water, filtered, micrograms per liter Agree Dissolved 13494-80-9 Tellurium ug/l 51152 Inorganics, Minor, Non-metals Antimony, soil, field, x-ray fluorescence screening method, parts per million Not checked 7440-36-0 Antimony ppm 51156 Inorganics, Minor, Non-metals Selenium, soil, field, x-ray fluorescence screening method, parts per million Not checked 7782-49-2 Selenium ppm 51157 Inorganics, Minor, Non-metals Arsenic, soil, field, x-ray fluorescence screening method, parts per million Not checked 7440-38-2 Arsenic ppm 51181 Inorganics, Minor, Non-metals Tellurium, soil, field, x-ray fluorescence screening method, parts per million Not checked 13494-80-9 Tellurium ppm 51184 Inorganics, Minor, Non-metals Inorganic antimony(III), water, filtered, micrograms per liter Not checked Dissolved ug/l 51188 Inorganics, Minor, Non-metals Helium, water, dissolved, mole percent of dissolved gases Not checked Dissolved 7440-59-7 Helium % 51190 Inorganics, Minor, Non-metals Argon, water, dissolved, mole percent of dissolved gases Not checked Dissolved 7440-37-1 Argon % 51280 Inorganics, Minor, Non-metals Cyanide, weak acid, dissociable, water, unfiltered, milligrams per liter Not checked Total mg/l 51284 Inorganics, Minor, Non-metals Dissolved organic selenium, water, filtered (0.45 micrometer filter), micrograms per liter as selenium Not checked Dissolved ug/l 51357 Inorganics, Minor, Non-metals Antimony, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram Not checked Dry <150 um Bed Sediment 7440-36-0 mg/kg 51358 Inorganics, Minor, Non-metals Arsenic, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram Not checked Dry <150 um Bed Sediment 7440-38-2 mg/kg 51389 Inorganics, Minor, Non-metals Selenium, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram Not checked Dry <150 um Bed Sediment 7782-49-2 mg/kg 52139 Inorganics, Minor, Non-metals Total cyanide, water, unfiltered, milligrams per liter Not checked 57-12-5 mg/l 52148 Inorganics, Minor, Non-metals Perchlorate, soil, recoverable, dry weight, micrograms per kilogram Not checked Dry Recoverable 14797-73-0 ug/kg 52275 Inorganics, Minor, Non-metals Boron, water, unfiltered, micrograms per liter Not checked Total 7440-42-8 ug/l 52373 Inorganics, Minor, Non-metals Sulfur, bed sediment smaller than 250 microns, dry sieved, laboratory, total digestion, dry weight, percent Not checked Dry < 2 mm Bed Sediment 7704-34-9 % 52374 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 2 millimeters, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 13494-80-9 mg/kg 52375 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 250 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 13494-80-9 mg/kg 52376 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 13494-80-9 mg/kg 52509 Inorganics, Minor, Non-metals Silica, bed sediment, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7631-86-9 mg/kg 52514 Inorganics, Minor, Non-metals Boron, bed sediment, recoverable, dry weight, micrograms per kilogram Not checked Dry Bed Sediment 7440-42-8 ug/kg 52523 Inorganics, Minor, Non-metals Silicon, bed sediment, recoverable, dry weight, micrograms per kilogram Not checked Dry Bed Sediment 7631-86-9 ug/kg 52531 Inorganics, Minor, Non-metals Arsenite, water, unfiltered, micrograms per liter as arsenic Not checked Total 15502-74-6 ug/L as As 52532 Inorganics, Minor, Non-metals Arsenate, water, unfiltered, micrograms per liter as arsenic Not checked Total 15584-04-0 ug/L as As 52625 Inorganics, Minor, Non-metals Cyanide, available, water, unfiltered, micrograms per liter Not checked Total ug/l 52672 Inorganics, Minor, Non-metals Reduced sulfur, solids, total digestion, dry weight, millimoles per kilogram Not checked Dry mmol/kg 52684 Inorganics, Minor, Non-metals Sulfide, water, filtered, micromoles per liter Not checked Dissolved 18496-25-8 umol/L 52771 Inorganics, Minor, Non-metals Reduced sulfur, solids smaller than 2 mm, total digestion, dry weight, millimoles per kilogram Not checked Dry < 2 mm mmol/kg 52772 Inorganics, Minor, Non-metals Reduced sulfur, solids smaller than 0.063 mm, total digestion, dry weight, millimoles per kilogram Not checked Dry <0.063 mm mmol/kg 52773 Inorganics, Minor, Non-metals Antimony, water, filtered, milligrams per liter Not checked Dissolved 7440-36-0 mg/l 52774 Inorganics, Minor, Non-metals Arsenic, water, filtered, milligrams per liter Not checked Dissolved 7440-38-2 mg/l 52789 Inorganics, Minor, Non-metals Boron, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry <62.5 um Bed Sediment 7440-42-8 mg/kg 52807 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram Not checked Dry <62.5 um Bed Sediment 13494-80-9 mg/kg 53446 Inorganics, Minor, Non-metals Sulfur, suspended sediment smaller than 177 um, dry weight, percent Not checked Dry <177 um Suspended 7704-34-9 % 53639 Inorganics, Minor, Non-metals Sulfur, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, percent Not checked Dry < 2 mm Bed Sediment 7704-34-9 % 53640 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 13494-80-9 mg/kg 53670 Inorganics, Minor, Non-metals Tellurium, bed sediment, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 13494-80-9 mg/kg 53676 Inorganics, Minor, Non-metals Sulfur, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, percent Not checked Dry Bed Sediment 7704-34-9 % 53681 Inorganics, Minor, Non-metals Boron, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 7440-42-8 mg/kg 53716 Inorganics, Minor, Non-metals Tellurium, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram Not checked Dry Bed Sediment 13494-80-9 mg/kg 53942 Inorganics, Minor, Non-metals Selenocyanate, water, filtered, recoverable, micrograms per liter Not checked Dissolved 5749-48-4 ug/l 53943 Inorganics, Minor, Non-metals Methylseleninic acid, water, filtered, recoverable, micrograms per liter Not checked Dissolved 28274-57-9 ug/l 53944 Inorganics, Minor, Non-metals Selenomethionine, water, filtered, recoverable, micrograms per liter Not checked Dissolved 1464-42-2 ug/l 54153 Inorganics, Minor, Non-metals Carbon dioxide, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas Not checked 124-38-9 % by vol 54156 Inorganics, Minor, Non-metals Argon, soil gas, uncorrected for temperature and pressure, percent of soil gas Not checked 7440-37-1 % by vol 54158 Inorganics, Minor, Non-metals Carbon dioxide, soil gas, in situ, sensor reading corrected for temperature and pressure, percent of soil gas Not checked 124-38-9 % by vol 54159 Inorganics, Minor, Non-metals Carbon dioxide efflux, soil gas, micromoles per square meter per second Not checked 124-38-9 umol/m2/s 54340 Inorganics, Minor, Non-metals Arsenic, water, filtered (0.1 micron filter), micrograms per liter Not checked < 0.1 um Dissolved 7440-38-2 ug/l 54562 Inorganics, Minor, Non-metals Helium, air, recoverable, mole percent Not checked Recoverable 7440-59-7 % 54564 Inorganics, Minor, Non-metals Argon, air, recoverable, mole percent Not checked Recoverable 7440-37-1 % 54828 Inorganics, Minor, Non-metals Carbon dioxide, air, dry, recoverable, mole percent Not checked Recoverable 124-38-9 % 54829 Inorganics, Minor, Non-metals Carbon dioxide, air, recoverable, percent by volume Not checked Recoverable 124-38-9 % by vol 61038 Inorganics, Minor, Non-metals Helium, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Agree Total 7440-59-7 Helium cm3/g STP 61039 Inorganics, Minor, Non-metals Helium error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Agree Standard Deviation Total 7440-59-7 Helium cm3/g STP 61046 Inorganics, Minor, Non-metals Neon, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Agree Total 7440-01-9 Neon cm3/g STP 61047 Inorganics, Minor, Non-metals Neon error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Agree Standard Deviation Total 7440-01-9 Neon cm3/g STP 61050 Inorganics, Minor, Non-metals Selenium, bed sediment smaller than 2 millimeters, total digestion, dry weight, milligrams per kilogram Not checked Dry < 2 mm Bed Sediment 7782-49-2 Selenium mg/kg 61209 Inorganics, Minor, Non-metals Perchlorate, water, unfiltered, micrograms per liter Agree Total 14797-73-0 Perchlorate ug/l 62171 Inorganics, Minor, Non-metals Perchlorate, water, unfiltered, recoverable, milligrams per liter USGS use and no use by EPA Recoverable 14797-73-0 Perchlorate mg/l 62452 Inorganics, Minor, Non-metals Arsenite, water, filtered, micrograms per liter as arsenic USGS use and no use by EPA Dissolved 15502-74-6 Arsenite ug/L as As 62453 Inorganics, Minor, Non-metals Arsenate, water, filtered, micrograms per liter as arsenic USGS use and no use by EPA Dissolved 15584-04-0 Arsenate (AsO43-) ug/L as As 62912 Inorganics, Minor, Non-metals Tellurium, bed sediment smaller than 177 microns, wet sieved, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry < 177 microns Bed Sediment 13494-80-9 Tellurium mg/kg 62984 Inorganics, Minor, Non-metals Arsenic, water, filtered (ultrafiltration, 10,000 Dalton molecular weight membrane), micrograms per liter USGS use and no use by EPA Dissolved 7440-38-2 Arsenic ug/l 63149 Inorganics, Minor, Non-metals Sulfur hexafluoride, water, unfiltered, recoverable, femtograms per kilogram USGS use and no use by EPA Recoverable 2551-62-4 Sulfur hexafluoride fg/kg 63692 Inorganics, Minor, Non-metals Perchlorate, solids, recoverable, dry weight, micrograms per kilogram USGS use and no use by EPA Dry Recoverable 14797-73-0 Perchlorate ug/kg 63790 Inorganics, Minor, Non-metals Perchlorate, water, filtered, micrograms per liter USGS use and no use by EPA Dissolved 14797-73-0 Perchlorate ug/l 63791 Inorganics, Minor, Non-metals Perchlorate, biota, tissue, recoverable, dry weight, micrograms per kilogram USGS use and no use by EPA Dry Recoverable 14797-73-0 Perchlorate ug/kg 63793 Inorganics, Minor, Non-metals Antimony, biota, tissue, recoverable, wet weight, milligrams per kilogram USGS use and no use by EPA Wet Recoverable 7440-36-0 Antimony mg/kg 63794 Inorganics, Minor, Non-metals Arsenic, biota, tissue, recoverable, wet weight, milligrams per kilogram USGS use and no use by EPA Wet Recoverable 7440-38-2 Arsenic mg/kg 63804 Inorganics, Minor, Non-metals Selenium, biota, tissue, recoverable, wet weight, milligrams per kilogram USGS use and no use by EPA Wet Recoverable 7782-49-2 Selenium mg/kg 64184 Inorganics, Minor, Non-metals Helium, water, unfiltered, nanomoles per liter USGS use and no use by EPA Total 7440-59-7 Helium nmol/L 64186 Inorganics, Minor, Non-metals Neon, water, unfiltered, nanomoles per liter USGS use and no use by EPA Total 7440-01-9 Neon nmol/L 64847 Inorganics, Minor, Non-metals Arsenic, bed sediment, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Bed Sediment 7440-38-2 Arsenic mg/kg 64848 Inorganics, Minor, Non-metals Selenium, bed sediment, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Bed Sediment 7782-49-2 Selenium mg/kg 64903 Inorganics, Minor, Non-metals Iodide, water, unfiltered, milligrams per liter USGS use and no use by EPA Total 20461-54-5 Iodide mg/l 65212 Inorganics, Minor, Non-metals Antimony, bed sediment, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Bed Sediment 7440-36-0 Antimony mg/kg 66694 Inorganics, Minor, Non-metals Perchlorate, bed sediment smaller than 2 millimeters, wet sieved (native water), field, recoverable, dry weight, micrograms per kilogram USGS use and no use by EPA Dry < 2 mm Bed Sediment 14797-73-0 Perchlorate ug/kg 66703 Inorganics, Minor, Non-metals Cyanide, free, water, unfiltered, milligrams per liter USGS use and no use by EPA Total mg/l 66704 Inorganics, Minor, Non-metals Cyanide, free, water, filtered, milligrams per liter USGS use and no use by EPA Dissolved mg/l 66705 Inorganics, Minor, Non-metals Cyanide, amenable to chlorination, water, unfiltered, milligrams per liter USGS use and no use by EPA Total Cyanides amenable to chlorination (HCN & CN) mg/l 66706 Inorganics, Minor, Non-metals Cyanide, amenable to chlorination, water, filtered, milligrams per liter USGS use and no use by EPA Dissolved Cyanides amenable to chlorination (HCN & CN) mg/l 67315 Inorganics, Minor, Non-metals Cyanide, available, water, unfiltered, milligrams per liter USGS use and no use by EPA Total mg/l 67316 Inorganics, Minor, Non-metals Cyanide, available, water, filtered, milligrams per liter USGS use and no use by EPA Dissolved mg/l 67325 Inorganics, Minor, Non-metals Selenate, water, filtered, micrograms per liter as selenium USGS use and no use by EPA Dissolved 14124-68-6 ug/l 67326 Inorganics, Minor, Non-metals Selenite, water, filtered, micrograms per liter as selenium USGS use and no use by EPA Dissolved 14124-67-5 ug/l 67875 Inorganics, Minor, Non-metals Antimony, solids, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-36-0 mg/kg 67876 Inorganics, Minor, Non-metals Arsenic, solids, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-38-2 mg/kg 67900 Inorganics, Minor, Non-metals Antimony, solids, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7440-36-0 mg/kg 67901 Inorganics, Minor, Non-metals Arsenic, solids, total digestion, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Total 7440-38-2 mg/kg 68074 Inorganics, Minor, Non-metals Asbestos, solids, volume percent USGS use and no use by EPA Dry 1332-21-4 % 68786 Inorganics, Minor, Non-metals Antimony, bed sediment, recoverable, wet weight, micrograms per kilogram USGS use and no use by EPA Wet Bed Sediment 7440-36-0 ug/kg 68787 Inorganics, Minor, Non-metals Arsenic, bed sediment, recoverable, dry weight, micrograms per kilogram USGS use and no use by EPA Dry Bed Sediment 7440-38-2 ug/kg 68797 Inorganics, Minor, Non-metals Selenium, bed sediment, recoverable, dry weight, micrograms per kilogram USGS use and no use by EPA Dry Bed Sediment 7782-49-2 ug/kg 69901 Inorganics, Minor, Non-metals Selenium, speciation unknown, water, filtered, recoverable, micrograms per liter USGS use and no use by EPA Recoverable ug/l 71865 Inorganics, Minor, Non-metals Iodide, water, filtered, milligrams per liter Not checked Dissolved 20461-54-5 Iodide mg/l 71866 Inorganics, Minor, Non-metals Iodine, water, unfiltered, milligrams per liter Not checked Total 7553-56-2 Iodine mg/l 71871 Inorganics, Minor, Non-metals Bromine, water, unfiltered, milligrams per liter Not checked Total 7726-95-6 Bromine mg/l 82041 Inorganics, Minor, Non-metals Helium, water, dissolved, micrograms per liter Agree Dissolved 7440-59-7 Helium ug/l 82043 Inorganics, Minor, Non-metals Argon, water, dissolved, milligrams per liter Agree Dissolved 7440-37-1 Argon mg/l 82314 Inorganics, Minor, Non-metals Helium, bed sediment, dry weight, micrograms per kilogram Agree Dry Bed Sediment 7440-59-7 Helium ug/kg 82315 Inorganics, Minor, Non-metals Helium, suspended sediment, dry weight, micrograms per kilogram Not agree Dry Suspended 7440-59-7 Helium ug/kg 82316 Inorganics, Minor, Non-metals Helium, water, unfiltered, dry weight, micrograms per kilogram Not checked Dry Total 7440-59-7 Helium ug/kg 82504 Inorganics, Minor, Non-metals Arsenic, soluble, dry atmospheric deposition, micrograms per kilogram Agree 7440-38-2 Arsenic ug/kg 82505 Inorganics, Minor, Non-metals Arsenic, insoluble, dry atmospheric deposition, micrograms per kilogram Agree 7440-38-2 Arsenic ug/kg 82506 Inorganics, Minor, Non-metals Arsenic, total, dry atmospheric deposition, micrograms per kilogram Agree Total 7440-38-2 Arsenic ug/kg 82917 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, filtered, micrograms per liter Agree Dissolved 7440-38-2 Arsenic ug/l 82918 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, filtered, micrograms per square meter Agree Dissolved 7440-38-2 Arsenic ug/m2 82919 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, suspended, micrograms per liter Agree Suspended 7440-38-2 Arsenic ug/l 82920 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, suspended, micrograms per square meter Agree Suspended 7440-38-2 Arsenic ug/m2 82921 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, unfiltered, micrograms per liter Agree Total 7440-38-2 Arsenic ug/l 82922 Inorganics, Minor, Non-metals Arsenic, wet atmospheric deposition, unfiltered, micrograms per square meter Agree Total 7440-38-2 Arsenic ug/m2 83132 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, filtered, micrograms per liter Agree Dissolved 7782-49-2 Selenium ug/l 83133 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, filtered, micrograms per square meter Agree Dissolved 7782-49-2 Selenium ug/m2 83134 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, suspended, micrograms per liter Agree Suspended 7782-49-2 Selenium ug/l 83135 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, suspended, micrograms per square meter Agree Suspended 7782-49-2 Selenium ug/m2 83136 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, unfiltered, micrograms per liter Agree Total 7782-49-2 Selenium ug/l 83137 Inorganics, Minor, Non-metals Selenium, wet atmospheric deposition, unfiltered, micrograms per square meter Agree Total 7782-49-2 Selenium ug/m2 83199 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, filtered, micrograms per liter Agree Dissolved 7440-38-2 Arsenic ug/l 83200 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, filtered, micrograms per square meter Agree Dissolved 7440-38-2 Arsenic ug/m2 83201 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, suspended, micrograms per liter Agree Suspended 7440-38-2 Arsenic ug/l 83202 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, suspended, micrograms per square meter Agree Suspended 7440-38-2 Arsenic ug/m2 83203 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, unfiltered, micrograms per liter Agree Total 7440-38-2 Arsenic ug/l 83204 Inorganics, Minor, Non-metals Arsenic, bulk atmospheric deposition, unfiltered, micrograms per square meter Agree Total 7440-38-2 Arsenic ug/m2 83414 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, filtered, micrograms per liter Agree Dissolved 7782-49-2 Selenium ug/l 83415 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, filtered, micrograms per square meter Agree Dissolved 7782-49-2 Selenium ug/m2 83416 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, suspended, micrograms per liter Agree Suspended 7782-49-2 Selenium ug/l 83417 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, suspended, micrograms per square meter Agree Suspended 7782-49-2 Selenium ug/m2 83418 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, unfiltered, micrograms per liter Agree Total 7782-49-2 Selenium ug/l 83419 Inorganics, Minor, Non-metals Selenium, bulk atmospheric deposition, unfiltered, micrograms per square meter Agree Total 7782-49-2 Selenium ug/m2 85542 Inorganics, Minor, Non-metals Argon, water, dissolved, volume percent of dissolved gases Agree Dissolved 7440-37-1 Argon % 85563 Inorganics, Minor, Non-metals Argon, water, dissolved, cubic centimeters per gram at standard temperature and pressure USGS use and no use by EPA Dissolved 7440-37-1 Argon cm3/g STP 85564 Inorganics, Minor, Non-metals Argon error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not agree Standard Deviation Total 7440-37-1 Argon cm3/g STP 85565 Inorganics, Minor, Non-metals Krypton, water, dissolved, cubic centimeters per gram at standard temperature and pressure Not agree Dissolved 7439-90-9 Krypton cm3/g STP 85566 Inorganics, Minor, Non-metals Krypton error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not agree Standard Deviation Total 7439-90-9 Krypton cm3/g STP 85567 Inorganics, Minor, Non-metals Xenon, water, dissolved, cubic centimeters per gram at standard temperature and pressure Not agree Dissolved 7440-63-3 Xenon cm3/g STP 85568 Inorganics, Minor, Non-metals Xenon error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not agree Standard Deviation Total 7440-63-3 Xenon cm3/g STP 85575 Inorganics, Minor, Non-metals Helium, water, dissolved, nanomoles per kilogram Not checked Dissolved 7440-59-7 Helium nmol/kg 85577 Inorganics, Minor, Non-metals Neon, water, dissolved, nanomoles per kilogram Not checked Dissolved 7440-01-9 Neon nmol/kg 85589 Inorganics, Minor, Non-metals Cyanide, weak acid, dissociable, water, filtered, milligrams per liter Not checked Dissolved 57-12-5 mg/l 91023 Inorganics, Minor, Non-metals Boron, water, filtered, semi-quantitative, micrograms per liter USGS use and no use by EPA Dissolved 7440-42-8 Boron ug/l 91081 Inorganics, Minor, Non-metals Acid volatile sulfide plus pyritic sulfide, solids, dry weight, milligram per kilogram USGS use and no use by EPA Dry mg/kg 91700 Inorganics, Minor, Non-metals Arsenic, solids, 10% nitric acid extracted, recoverable, dry weight, milligrams per kilogram USGS use and no use by EPA Dry Recoverable 7440-38-2 Arsenic mg/kg 99033 Inorganics, Minor, Non-metals Inorganic arsenic, water, filtered (0.45 micron filter), micrograms per liter as arsenic USGS use and no use by EPA Dissolved ug/l 99034 Inorganics, Minor, Non-metals Inorganic arsenic(III), water, filtered (0.45 micron filter), micrograms per liter as arsenic USGS use and no use by EPA Dissolved 22541-54-4 ug/l 99320 Inorganics, Minor, Non-metals Chlorate, disinfection byproduct, water, unfiltered, EPA method 300.0, micrograms per liter USGS use and no use by EPA Total 14866-68-3 Chlorate ug/l 99782 Inorganics, Minor, Non-metals Boron, water, filtered, unpreserved, recoverable, micrograms per liter USGS use and no use by EPA Dissolved 7440-42-8 Boron ug/l 99896 Inorganics, Minor, Non-metals Cyanide, water, unfiltered, recoverable, milligrams per liter USGS use and no use by EPA 57-12-5 Cyanide mg/l 99897 Inorganics, Minor, Non-metals Antimony, water, unfiltered, recoverable, micrograms per liter USGS use and no use by EPA 7440-36-0 Antimony ug/l