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Parameter Code Definition

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Parameter Code Group Name Parameter Name/Description Epa equivalence Result Statistical Basis Result Time Basis Result Weight Basis Result Particle Size Basis Result Sample Fraction Result Temperature Basis CASRN SRSName Parameter Unit
03521 Stable Isotopes delta carbon-13/carbon-12 of organic carbon, soil or rock, per mil Agree 14762-74-4 Carbon-13/Carbon-12 ratio per mil
03522 Stable Isotopes delta sulfur-34/sulfur-32 of sulfide, water, filtered, per mil Agree Dissolved Sulfur-34/Sulfur-32 ratio per mil
03523 Stable Isotopes delta sulfur-34/sulfur-32 of sulfide, bed sediment, per mil Agree Bed Sediment Sulfur-34/Sulfur-32 ratio per mil
49902 Stable Isotopes delta sulfur-34/sulfur-32 of sulfide, water, filtered, per mil Agree Dissolved Sulfur-34/Sulfur-32 ratio per mil
49926 Stable Isotopes delta carbon-13/carbon-12, carbon dioxide, per mil Agree 14762-74-4 Carbon-13/Carbon-12 ratio per mil
49927 Stable Isotopes delta carbon-13/carbon-12, rock, per mil Agree 14762-74-4 Carbon-13/Carbon-12 ratio per mil
49928 Stable Isotopes delta sulfur-34/sulfur-32 of sulfate, rock, per mil Agree Sulfur-34/Sulfur-32 ratio per mil
49929 Stable Isotopes delta sulfur-34/sulfur-32 of sulfide, rock, per mil Agree Sulfur-34/Sulfur-32 ratio per mil
49930 Stable Isotopes delta sulfur-34/sulfur-32 of disulfide, rock, per mil Agree Sulfur-34/Sulfur-32 ratio per mil
49931 Stable Isotopes delta sulfur-34/sulfur-32 of monosulfide, rock, per mil Agree Sulfur-34/Sulfur-32 ratio per mil
49932 Stable Isotopes delta sulfur-34/sulfur-32 of sulfate, water, filtered, per mil Agree Dissolved Sulfur-34/Sulfur-32 ratio per mil
54072 Stable Isotopes Strontium-87 plus strontium-86, water, unfiltered, recoverable, micrograms per liter USGS use and no use by EPA Recoverable ug/l
61036 Stable Isotopes delta helium-3/helium-4, water, unfiltered, ingrowth method, percent Agree Total 14762-55-1 %
61037 Stable Isotopes delta helium-3/helium-4 error, water, unfiltered, ingrowth method, percent Agree Standard Deviation Total 14762-55-1 %
61040 Stable Isotopes Helium-3/helium-4 ratio, water, unfiltered, ratio Agree Total 14762-55-1 None
62648 Stable Isotopes delta boron-11/boron-10, water, filtered, per mil USGS use and no use by EPA Dissolved per mil
63035 Stable Isotopes delta nitrogen-15/nitrogen-14 of total nitrogen, solids, per mil USGS use and no use by EPA Nitrogen-15/14 ratio per mil
63036 Stable Isotopes delta nitrogen-15/nitrogen-14 of nitrate, solids, per mil USGS use and no use by EPA Nitrogen-15/14 ratio per mil
63037 Stable Isotopes delta nitrogen-15/nitrogen-14 of exchangeable ammonium, solids, per mil USGS use and no use by EPA Nitrogen-15/14 ratio per mil
63038 Stable Isotopes delta carbon-13/carbon-12 of total carbon, solids, per mil USGS use and no use by EPA 14762-74-4 Carbon-13/Carbon-12 ratio per mil
63040 Stable Isotopes delta oxygen-18/oxygen-16 of nitrate, solids, per mil USGS use and no use by EPA 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
63041 Stable Isotopes delta oxygen-18/oxygen-16 of nitrate, water, filtered, per mil USGS use and no use by EPA Dissolved 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
63150 Stable Isotopes delta nitrogen-15/nitrogen-14 of dinitrogen, water, dissolved, per mil USGS use and no use by EPA Dissolved Nitrogen-15/14 ratio per mil
63511 Stable Isotopes delta carbon-13/carbon-12 of organic carbon, biota, tissue, per mil USGS use and no use by EPA 14762-74-4 Carbon-13/Carbon-12 ratio per mil
63512 Stable Isotopes delta nitrogen-15/nitrogen-14 of organic nitrogen, biota, tissue, per mil USGS use and no use by EPA Nitrogen-15/14 ratio per mil
63513 Stable Isotopes delta carbon-13/carbon-12 of organic carbon, suspended sediment, per mil USGS use and no use by EPA Suspended 14762-74-4 Carbon-13/Carbon-12 ratio per mil
63514 Stable Isotopes delta nitrogen-15/nitrogen-14 of organic nitrogen, suspended sediment, per mil USGS use and no use by EPA Suspended Nitrogen-15/14 ratio per mil
63515 Stable Isotopes delta carbon-13/carbon-12 of organic carbon, bed sediment, per mil USGS use and no use by EPA Bed Sediment 14762-74-4 Carbon-13/Carbon-12 ratio per mil
63516 Stable Isotopes delta nitrogen-15/nitrogen-14 of organic nitrogen, bed sediment, per mil USGS use and no use by EPA Bed Sediment Nitrogen-15/14 ratio per mil
65223 Stable Isotopes delta carbon-13/carbon-12 of organic carbon, water, filtered, per mil USGS use and no use by EPA Dissolved 14762-74-4 per mil
65224 Stable Isotopes delta carbon-13/carbon-12 of organic carbon 1-sigma uncertainty, water, filtered, per mil USGS use and no use by EPA 1-Sigma CSU Dissolved 14762-74-4 per mil
65241 Stable Isotopes delta carbon-13/carbon-12 of methane, water, dissolved, relative to Vienna PeeDee belemnite (VPDB), per mil USGS use and no use by EPA Dissolved 14762-74-4 per mil
65242 Stable Isotopes delta carbon-13/carbon-12 of ethane, water, dissolved, headspace method, relative to Vienna PeeDee belemnite (VPDB), per mil USGS use and no use by EPA Dissolved 14762-74-4 per mil
65243 Stable Isotopes delta carbon-13/carbon-12 of inorganic carbon, water, dissolved, relative to Vienna PeeDee belemnite (VPDB), per mil USGS use and no use by EPA Dissolved 14762-74-4 Carbon-13/Carbon-12 ratio per mil
65245 Stable Isotopes delta hydrogen-2/hydrogen-1 of methane, water, dissolved, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil USGS use and no use by EPA Mean Dissolved 7782-39-0 Deuterium/Hydrogen ratio per mil
75978 Stable Isotopes Strontium-87/strontium-86 ratio, water, filtered, ratio Not checked Dissolved 13982-64-4 Strontium-87/strontium-86, ratio None
82081 Stable Isotopes delta carbon-13/carbon-12, water, unfiltered, per mil Not checked Total 14762-74-4 Carbon-13/Carbon-12 ratio per mil
82082 Stable Isotopes delta hydrogen-2/hydrogen-1, water, unfiltered, per mil Not checked Total 7782-39-0 Deuterium/Hydrogen ratio per mil
82083 Stable Isotopes delta lithium-7/lithium-6, water, unfiltered, per mil Not checked Total Lithium-7/Lithium-6 ratio per mil
82084 Stable Isotopes delta nitrogen-15/nitrogen-14, water, unfiltered, per mil Not checked Total Nitrogen-15/14 ratio per mil
82085 Stable Isotopes delta oxygen-18/oxygen-16, water, unfiltered, per mil Not checked Total 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
82086 Stable Isotopes delta sulfur-34/sulfur-32, water, unfiltered, per mil Not checked Total Sulfur-34/Sulfur-32 ratio per mil
82336 Stable Isotopes delta sulfur-34/sulfur-32, bed sediment, per mil Not checked Bed Sediment Sulfur-34/Sulfur-32 ratio per mil
82337 Stable Isotopes delta oxygen-18/oxygen-16, bed sediment, per mil Not checked Bed Sediment 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
82338 Stable Isotopes delta nitrogen-15/nitrogen-14, bed sediment, per mil Not checked Bed Sediment Nitrogen-15/14 ratio per mil
82339 Stable Isotopes delta carbon-13/carbon-12, bed sediment, per mil Not checked Bed Sediment 14762-74-4 Carbon-13/Carbon-12 ratio per mil
82341 Stable Isotopes delta nitrogen-15/nitrogen-14 of organic nitrogen, soil or rock, per mil Not checked Nitrogen-15/14 ratio per mil
82688 Stable Isotopes delta nitrogen-15/nitrogen-14 of nitrate, soil, per mil Agree Nitrogen-15/14 ratio per mil
82689 Stable Isotopes delta nitrogen-15/nitrogen-14 of ammonia, soil, per mil Agree Nitrogen-15/14 ratio per mil
82690 Stable Isotopes delta nitrogen-15/nitrogen-14 of nitrate, water, filtered, per mil Agree Dissolved Nitrogen-15/14 ratio per mil
82691 Stable Isotopes delta nitrogen-15/nitrogen-14 of ammonia, water, filtered, per mil Agree Dissolved Nitrogen-15/14 ratio per mil
82698 Stable Isotopes delta nitrogen-15/nitrogen-14 of dinitrogen, water, unfiltered, per mil Not agree Nitrogen-15/14 ratio per mil
82699 Stable Isotopes delta oxygen-18/oxygen-16 of dissolved oxygen, water, unfiltered, per mil Not agree Dissolved 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
82700 Stable Isotopes delta carbon-13/carbon-12 of carbonate fraction, solids, per mil Not agree 14762-74-4 Carbon-13/Carbon-12 ratio per mil
82701 Stable Isotopes delta chromium-53/chromium-52, water, filtered, per mil Not agree Dissolved 13981-78-7 per mil
82702 Stable Isotopes delta boron-11/boron-10, water, unfiltered, per mil Not agree Total per mil
82725 Stable Isotopes delta chlorine-37/chlorine-35, water, filtered, per mil USGS use and no use by EPA Dissolved per mil
82726 Stable Isotopes delta bromine-81/bromine-79, water, filtered, per mil USGS use and no use by EPA Dissolved per mil
82727 Stable Isotopes delta oxygen-18/oxygen-16 of sulfate, water, filtered, per mil USGS use and no use by EPA Dissolved 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
82734 Stable Isotopes delta carbon-13/carbon/12 of organic carbon, solids, per mil Not checked 14762-74-4 per mil
82735 Stable Isotopes Carbon-14, organic solid materials, percent modern Not checked 14762-75-5 pct modern
82736 Stable Isotopes delta chlorine-37/chlorine-35 of perchlorate, water, unfiltered, per mil Not checked Total per mil
82737 Stable Isotopes delta oxygen-18/oxygen-16 of perchlorate, water, unfiltered, per mil Not checked Total 14797-71-8 Oxygen-18/Oxygen-16 ratio per mil
82739 Stable Isotopes Oxygen-17/Oxygen-16 ratio in perchlorate, water, unfiltered, ratio Not checked Total ratio
82740 Stable Isotopes delta strontium-87/strontium-86, carbonate rock, 3N nitric acid extracted, per mil Not checked 13982-64-4 Strontium-87/strontium-86, ratio per mil
82741 Stable Isotopes delta oxygen-18/oxygen-16, carbonate rock, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil Not checked per mil
82742 Stable Isotopes delta carbon-13/carbon-12 of propane, water, dissolved, headspace method, relative to Vienna PeeDee belemnite (VPDB), per mil Not checked Dissolved 14762-74-4 per mil
82743 Stable Isotopes Carbon-13 in methane, water, unfiltered, percent Not checked Total 14672-74-4 %
82744 Stable Isotopes Deuterium in methane, water, unfiltered, percent Not checked Total 7782-39-0 %
82745 Stable Isotopes Oxygen-18 in water molecules, water, unfiltered, percent Not checked Total 14797-71-8 %
82746 Stable Isotopes Strontium-87/Strontium-86 ratio, water, filtered, normalized to standard reference material, ratio Not checked Dissolved 13982-64-4 Strontium-87/strontium-86, ratio ratio
82747 Stable Isotopes delta Strontium-87, water, filtered, as standard deviation from seawater, per mil Not checked Dissolved 13982-64-4 per mil
82748 Stable Isotopes delta sulfur-34/sulfur-32, water, filtered, relative to Vienna Canyon Diablo Troilite (VCDT), per mil Not checked Dissolved per mil
82749 Stable Isotopes delta Oxygen-18 in phosphate, water, filtered, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil Not checked Dissolved 14797-71-8 per mil
82750 Stable Isotopes delta Oxygen-18 in phosphate, water, unfiltered, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil Not checked Total 14797-71-8 per mil
82751 Stable Isotopes delta Oxygen-18 in water leachable phosphate, solids, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil Not checked 14797-71-8 per mil
82752 Stable Isotopes delta strontium-88/strontium-86, water, filtered, relative to Vienna Standard Mean Ocean Water (VSMOW), per mil Not checked Dissolved per mil
82753 Stable Isotopes Neon-20/Neon-22 ratio, water, unfiltered, ratio Not checked Total 13981-34-5 ratio
82754 Stable Isotopes Neon-21/Neon-22 ratio, water, unfiltered, ratio Not checked Total 13981-35-6 ratio
82755 Stable Isotopes Argon-38/Argon-36 ratio, water, unfiltered, ratio Not checked Total ratio
82756 Stable Isotopes Argon-40/Argon-36 ratio, water, unfiltered, ratio Not checked Total 1290046-39-7 ratio
82757 Stable Isotopes Krypton-78/Krypton-84 ratio, water, unfiltered, ratio Not checked Total 33580-79-9 ratio
82758 Stable Isotopes Krypton-80/Krypton-84 ratio, water, unfiltered, ratio Not checked Total 26110-67-8 ratio
82759 Stable Isotopes Krypton-82/Krypton-84 ratio, water, unfiltered, ratio Not checked Total 14191-81-2 ratio
82760 Stable Isotopes Krypton-83/Krypton-84 ratio, water, unfiltered, ratio Not checked Total 13965-98-5 ratio
82761 Stable Isotopes Krypton-86/Krypton-84 ratio, water, unfiltered, ratio Not checked Total 14191-82-3 ratio
82762 Stable Isotopes Xenon-124/Xenon-132 ratio, water, unfiltered, ratio Not checked Total 15687-60-2 ratio
82763 Stable Isotopes Xenon-126/Xenon-132 ratio, water, unfiltered, ratio Not checked Total ratio
82764 Stable Isotopes Xenon-128/Xenon-132 ratio, water, unfiltered, ratio Not checked Total 27818-78-6 ratio
82765 Stable Isotopes Xenon-129/Xenon-132 ratio, water, unfiltered, ratio Not checked Total 13965-99-6 ratio
82766 Stable Isotopes Xenon-130/Xenon-132 ratio, water, unfiltered, ratio Not checked Total ratio
82767 Stable Isotopes Xenon-131/Xenon-132 ratio, water, unfiltered, ratio Not checked Total 14683-11-5 ratio
82768 Stable Isotopes Xenon-134/Xenon-132 ratio, water, unfiltered, ratio Not checked Total ratio
82769 Stable Isotopes Xenon-136/Xenon-132 ratio, water, unfiltered, ratio Not checked Total 15751-79-8 ratio
82770 Stable Isotopes Neon-20/Neon-22 error, water, unfiltered, ratio Not checked Total 13981-34-5 ratio
82771 Stable Isotopes Neon-21/Neon-22 error, water, unfiltered, ratio Not checked Total 13981-35-6 ratio
82772 Stable Isotopes Argon-38/Argon-36 error, water, unfiltered, ratio Not checked Total ratio
82773 Stable Isotopes Argon-40/Argon-36 error, water, unfiltered, ratio Not checked Total 1290046-39-7 ratio
82774 Stable Isotopes Krypton-78/Krypton-84 error, water, unfiltered, ratio Not checked Total 33580-79-9 ratio
82775 Stable Isotopes Krypton-80/Krypton-84 error, water, unfiltered, ratio Not checked Total 26110-67-8 ratio
82776 Stable Isotopes Krypton-82/Krypton-84 error, water, unfiltered, ratio Not checked Total 14191-81-2 ratio
82777 Stable Isotopes Krypton-83/Krypton-84 error, water, unfiltered, ratio Not checked Total 13965-98-5 ratio
82778 Stable Isotopes Krypton-86/Krypton-84 error, water, unfiltered, ratio Not checked Total 14191-82-3 ratio
82779 Stable Isotopes Xenon-124/Xenon-132 error, water, unfiltered, ratio Not checked Total 15687-60-2 ratio
82780 Stable Isotopes Xenon-126/Xenon-132 error, water, unfiltered, ratio Not checked Total ratio
82781 Stable Isotopes Xenon-128/Xenon-132 error, water, unfiltered, ratio Not checked Total 27818-78-6 ratio
82782 Stable Isotopes Xenon-129/Xenon-132 error, water, unfiltered, ratio Not checked Total 13965-99-6 ratio
82783 Stable Isotopes Xenon-130/Xenon-132 error, water, unfiltered, ratio Not checked Total ratio
82784 Stable Isotopes Xenon-131/Xenon-132 error, water, unfiltered, ratio Not checked Total 14683-11-5 ratio
82785 Stable Isotopes Xenon-134/Xenon-132 error, water, unfiltered, ratio Not checked Total ratio
82786 Stable Isotopes Xenon-136/Xenon-132 error, water, unfiltered, ratio Not checked Total 15751-79-8 ratio
82787 Stable Isotopes delta Lithium-7/Lithium-6, water, filtered, per mil Not checked Dissolved Lithium-7/lithium-6, ratio per mil
82788 Stable Isotopes delta Chromium-53/chromium-52 analytical uncertainty (standard deviation of multiple determinations of the analyte), water, filtered, per mil Not checked Dissolved 13981-78-7 per mil
82789 Stable Isotopes Strontium-87/Strontium-86 ratio 2-sigma combined uncertainty, water, filtered, normalized to standard reference material, unitless Not checked Dissolved 13982-64-4 none
82790 Stable Isotopes delta carbon-13/carbon-12, solids, relative to Vienna PeeDee Belemnite (VPDB), per mil Not checked 14762-74-4 per mil
82791 Stable Isotopes delta nitrogen-15/nitrogen-14, solids, relative to air, per mil Not checked per mil
82792 Stable Isotopes delta sulfur-34/sulfur-32, solids, relative to Canyon Diablo Triolite (CDT), per mil Not checked per mil
85561 Stable Isotopes Helium-4, water, dissolved, cubic centimeters per gram at standard temperature and pressure Not agree Dissolved cm3/g STP
85562 Stable Isotopes Helium-4 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not agree Standard Deviation Total cm3/g STP
85569 Stable Isotopes Helium-3/helium-4 error, water, unfiltered, ratio Not agree Standard Deviation Total 14762-55-1 None
85600 Stable Isotopes Neon-20, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 13981-34-5 cm3/g @STP
85601 Stable Isotopes Neon-20 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 13981-34-5 cm3/g @STP
85602 Stable Isotopes Neon-22, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 13886-72-1 cm3/g @STP
85603 Stable Isotopes Neon-22 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure Not checked Dissolved 13886-72-1 cm3/g @STP