Parameter Code Definition
CAS Registry NumberĀ® is a Registered Trademark of the American Chemical Society. CAS recommends the verification of the CASRNs through CAS Client ServicesSM.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 00910 | Inorganics, Major, Metals | Calcium, water, unfiltered, milligrams per liter as calcium carbonate | Not checked | Total | 7440-70-2 | Calcium | mg/l CaCO3 | |||||
| 00915 | Inorganics, Major, Metals | Calcium, water, filtered, milligrams per liter | Agree | Dissolved | 7440-70-2 | Calcium | mg/l | |||||
| 00916 | Inorganics, Major, Metals | Calcium, water, unfiltered, recoverable, milligrams per liter | Not checked | Recoverable | 7440-70-2 | Calcium | mg/l | |||||
| 00917 | Inorganics, Major, Metals | Calcium, bed sediment, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Bed Sediment | 7440-70-2 | Calcium | mg/kg | ||||
| 00918 | Inorganics, Major, Metals | Calcium, water, unfiltered, recoverable, milligrams per liter | Agree | Recoverable | 7440-70-2 | Calcium | mg/l | |||||
| 00920 | Inorganics, Major, Metals | Magnesium, water, unfiltered, milligrams per liter as calcium carbonate | Not checked | Total | 7439-95-4 | Magnesium | mg/l CaCO3 | |||||
| 00921 | Inorganics, Major, Metals | Magnesium, water, unfiltered, recoverable, milligrams per liter | Agree | Recoverable | 7439-95-4 | Magnesium | mg/l | |||||
| 00923 | Inorganics, Major, Metals | Sodium, water, unfiltered, recoverable, milligrams per liter | Agree | Recoverable | 7440-23-5 | Sodium | mg/l | |||||
| 00924 | Inorganics, Major, Metals | Magnesium, bed sediment, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Bed Sediment | 7439-95-4 | Magnesium | mg/kg | ||||
| 00925 | Inorganics, Major, Metals | Magnesium, water, filtered, milligrams per liter | Agree | Dissolved | 7439-95-4 | Magnesium | mg/l | |||||
| 00926 | Inorganics, Major, Metals | Magnesium, suspended sediment, total, milligrams per liter | Agree | Suspended | 7439-95-4 | Magnesium | mg/l | |||||
| 00927 | Inorganics, Major, Metals | Magnesium, water, unfiltered, recoverable, milligrams per liter | Not checked | Recoverable | 7439-95-4 | Magnesium | mg/l | |||||
| 00929 | Inorganics, Major, Metals | Sodium, water, unfiltered, recoverable, milligrams per liter | Not checked | Recoverable | 7440-23-5 | Sodium | mg/l | |||||
| 00930 | Inorganics, Major, Metals | Sodium, water, filtered, milligrams per liter | Agree | Dissolved | 7440-23-5 | Sodium | mg/l | |||||
| 00931 | Inorganics, Major, Metals | Sodium adsorption ratio (SAR), water, number | Agree | Sodium adsorption ratio | None | |||||||
| 00932 | Inorganics, Major, Metals | Sodium fraction of cations, water, percent in equivalents of major cations | Agree | Sodium, percent total cations | % | |||||||
| 00933 | Inorganics, Major, Metals | Sodium plus potassium, water, filtered, milligrams per liter as sodium | Not checked | Dissolved | Sodium plus potassium | mg/l as Na | ||||||
| 00934 | Inorganics, Major, Metals | Sodium, bed sediment, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Bed Sediment | 7440-23-5 | Sodium | mg/kg | ||||
| 00935 | Inorganics, Major, Metals | Potassium, water, filtered, milligrams per liter | Agree | Dissolved | 7440-09-7 | Potassium | mg/l | |||||
| 00937 | Inorganics, Major, Metals | Potassium, water, unfiltered, recoverable, milligrams per liter | Not checked | Recoverable | 7440-09-7 | Potassium | mg/l | |||||
| 00938 | Inorganics, Major, Metals | Potassium, bed sediment, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Bed Sediment | 7440-09-7 | Potassium | mg/kg | ||||
| 00939 | Inorganics, Major, Metals | Potassium, water, unfiltered, recoverable, milligrams per liter | Agree | Recoverable | 7440-09-7 | Potassium | mg/l | |||||
| 01430 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 2 mm | Bed Sediment | 7440-70-2 | Calcium | mg/kg | |||
| 01433 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 2 mm | Bed Sediment | 7439-95-4 | Magnesium | mg/kg | |||
| 01435 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 2 mm | Bed Sediment | 7440-09-7 | Potassium | mg/kg | |||
| 01437 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 2 mm | Bed Sediment | 7440-23-5 | Sodium | mg/kg | |||
| 01474 | Inorganics, Major, Metals | Sodium, bed sediment, complete digestion, dry weight, percent | Not checked | Dry | Bed Sediment | 7440-23-5 | Sodium | % | ||||
| 01475 | Inorganics, Major, Metals | Potassium, bed sediment, complete digestion, dry weight, percent | Not checked | Dry | Bed Sediment | 7440-09-7 | Potassium | % | ||||
| 01476 | Inorganics, Major, Metals | Calcium, bed sediment, complete digestion, dry weight, percent | Not checked | Dry | Bed Sediment | 7440-70-2 | Calcium | % | ||||
| 01477 | Inorganics, Major, Metals | Magnesium, bed sediment, complete digestion, dry weight, percent | Not checked | Dry | Bed Sediment | 7439-95-4 | Magnesium | % | ||||
| 03932 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 0.0625 | Bed Sediment | 7439-95-4 | Magnesium | % | |||
| 03935 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 0.0625 | Bed Sediment | 7440-09-7 | Potassium | % | |||
| 03943 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 0.0625 | Bed Sediment | 7440-23-5 | Sodium | % | |||
| 03954 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 0.0625 | Bed Sediment | 7440-70-2 | Calcium | % | |||
| 04050 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-70-2 | Calcium | % | |||
| 29828 | Inorganics, Major, Metals | Calcium, soil, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Recoverable | 7440-70-2 | Calcium | mg/kg | ||||
| 29838 | Inorganics, Major, Metals | Magnesium, soil, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Recoverable | 7439-95-4 | Magnesium | mg/kg | ||||
| 29851 | Inorganics, Major, Metals | Sodium, soil, recoverable, dry weight, milligrams per kilogram | Agree | Dry | Recoverable | 7440-23-5 | Sodium | mg/kg | ||||
| 30239 | Inorganics, Major, Metals | Calcium, bed sediment, dry weight, percent | Agree | Dry | Bed Sediment | 7440-70-2 | Calcium | % | ||||
| 30240 | Inorganics, Major, Metals | Calcium, suspended sediment, complete digestion, dry weight, percent | Not checked | Dry | Suspended | 7440-70-2 | Calcium | % | ||||
| 30276 | Inorganics, Major, Metals | Magnesium, bed sediment, dry weight, percent | Agree | Dry | Bed Sediment | 7439-95-4 | Magnesium | % | ||||
| 30277 | Inorganics, Major, Metals | Magnesium, suspended sediment, complete digestion, dry weight, percent | Not checked | Dry | Suspended | 7439-95-4 | Magnesium | % | ||||
| 30293 | Inorganics, Major, Metals | Potassium, bed sediment, dry weight, percent | Agree | Dry | Bed Sediment | 7440-09-7 | Potassium | % | ||||
| 30294 | Inorganics, Major, Metals | Potassium, suspended sediment, complete digestion, dry weight, percent | Not checked | Dry | Suspended | 7440-09-7 | Potassium | % | ||||
| 30303 | Inorganics, Major, Metals | Sodium, bed sediment, dry weight, percent | Agree | Dry | Bed Sediment | 7440-23-5 | Sodium | % | ||||
| 30304 | Inorganics, Major, Metals | Sodium, suspended sediment, complete digestion, dry weight, percent | Not checked | Dry | Suspended | 7440-23-5 | Sodium | % | ||||
| 34830 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-70-2 | Calcium | % | |||
| 34831 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 177 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 177 microns | Bed Sediment | 7440-70-2 | Calcium | % | |||
| 34832 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-70-2 | Calcium | % | |||
| 34833 | Inorganics, Major, Metals | Calcium, suspended sediment smaller than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Suspended | 7440-70-2 | Calcium | % | |||
| 34834 | Inorganics, Major, Metals | Calcium, suspended sediment larger than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | > 62.5 microns | Suspended | 7440-70-2 | Calcium | % | |||
| 34900 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7439-95-4 | Magnesium | % | |||
| 34901 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 177 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 177 microns | Bed Sediment | 7439-95-4 | Magnesium | % | |||
| 34902 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7439-95-4 | Magnesium | % | |||
| 34903 | Inorganics, Major, Metals | Magnesium, suspended sediment smaller than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Suspended | 7439-95-4 | Magnesium | % | |||
| 34904 | Inorganics, Major, Metals | Magnesium, suspended sediment larger than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | > 62.5 microns | Suspended | 7439-95-4 | Magnesium | % | |||
| 34940 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-09-7 | Potassium | % | |||
| 34941 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 177 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 177 microns | Bed Sediment | 7440-09-7 | Potassium | % | |||
| 34942 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-09-7 | Potassium | % | |||
| 34943 | Inorganics, Major, Metals | Potassium, suspended sediment smaller than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Suspended | 7440-09-7 | Potassium | % | |||
| 34944 | Inorganics, Major, Metals | Potassium, suspended sediment larger than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | > 62.5 microns | Suspended | 7440-09-7 | Potassium | % | |||
| 34960 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-23-5 | Sodium | % | |||
| 34961 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 177 microns, wet sieved, field, complete digestion, dry weight, percent | Not checked | Dry | < 177 microns | Bed Sediment | 7440-23-5 | Sodium | % | |||
| 34962 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Bed Sediment | 7440-23-5 | Sodium | % | |||
| 34963 | Inorganics, Major, Metals | Sodium, suspended sediment smaller than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | < 62.5 microns | Suspended | 7440-23-5 | Sodium | % | |||
| 34964 | Inorganics, Major, Metals | Sodium, suspended sediment larger than 62.5 microns, complete digestion, dry weight, percent | Not checked | Dry | > 62.5 microns | Suspended | 7440-23-5 | Sodium | % | |||
| 49027 | Inorganics, Major, Metals | Calcium, biota, tissue, recoverable, wet weight, milligrams per kilogram | Not checked | Wet | Recoverable | 7440-70-2 | Calcium | mg/kg | ||||
| 49030 | Inorganics, Major, Metals | Magnesium, biota, tissue, recoverable, wet weight, milligrams per kilogram | Not checked | Wet | Recoverable | 7439-95-4 | Magnesium | mg/kg | ||||
| 51177 | Inorganics, Major, Metals | Calcium, soil, field, x-ray fluorescence screening method, parts per million | Not checked | 7440-70-2 | Calcium | ppm | ||||||
| 51178 | Inorganics, Major, Metals | Potassium, soil, field, x-ray fluorescence screening method, parts per million | Not checked | 7440-09-7 | Potassium | ppm | ||||||
| 51363 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 150 um, dry sieved, lab, complete digestion, dry weight, percent | Not checked | Dry | <150 um | Bed Sediment | 7440-70-2 | % | ||||
| 51379 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 150 um, dry sieved, lab, complete digestion, dry weight, percent | Not checked | Dry | <150 um | Bed Sediment | 7439-95-4 | % | ||||
| 51387 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 150 um, dry sieved, lab, complete digestion, dry weight, percent | Not checked | Dry | <150 um | Bed Sediment | 7440-09-7 | % | ||||
| 51391 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 150 um, dry sieved, lab, complete digestion, dry weight, percent | Not checked | Dry | <150 um | Bed Sediment | 7440-23-5 | % | ||||
| 52143 | Inorganics, Major, Metals | Potassium, soil, recoverable, dry weight, milligrams per kilogram | Not checked | Dry | Recoverable | 7440-09-7 | mg/kg | |||||
| 52281 | Inorganics, Major, Metals | Potassium, water, unfiltered, milligrams per liter | Not checked | Total | 7440-09-7 | ug/l | ||||||
| 52282 | Inorganics, Major, Metals | Magnesium, water, unfiltered, milligrams per liter | Not checked | Total | 7439-95-4 | ug/l | ||||||
| 52284 | Inorganics, Major, Metals | Sodium, water, unfiltered, milligrams per liter | Not checked | Total | 7440-23-5 | ug/l | ||||||
| 52288 | Inorganics, Major, Metals | Calcium, water, unfiltered, milligrams per liter | Not checked | 7440-70-2 | mg/l | |||||||
| 52289 | Inorganics, Major, Metals | Magnesium, water, unfiltered, milligrams per liter | Not checked | 7439-95-4 | mg/l | |||||||
| 52290 | Inorganics, Major, Metals | Sodium, water, unfiltered, milligrams per liter | Not checked | 7440-23-5 | mg/l | |||||||
| 52291 | Inorganics, Major, Metals | Potassium, water, unfiltered, milligrams per liter | Not checked | 7440-09-7 | mg/l | |||||||
| 52330 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 2 millimeters, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-70-2 | % | ||||
| 52331 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 250 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-70-2 | % | ||||
| 52362 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 250 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-09-7 | % | ||||
| 52363 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 2 millimeters, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-09-7 | % | ||||
| 52370 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 2 millimeters, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-23-5 | % | ||||
| 52371 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 250 microns, dry sieved, laboratory, complete digestion, dry weight, percent | Not checked | Dry | < 2 mm | Bed Sediment | 7440-23-5 | % | ||||
| 52501 | Inorganics, Major, Metals | Calcium, water, unfiltered, recoverable, micrograms per liter | Not checked | Recoverable | 7440-70-2 | ug/l | ||||||
| 52502 | Inorganics, Major, Metals | Magnesium, water, unfiltered, recoverable, micrograms per liter | Not checked | Recoverable | 7439-95-4 | ug/l | ||||||
| 52503 | Inorganics, Major, Metals | Potassium, water, unfiltered, recoverable, micrograms per liter | Not checked | Recoverable | 7440-09-7 | ug/l | ||||||
| 52504 | Inorganics, Major, Metals | Sodium, water, unfiltered, recoverable, micrograms per liter | Not checked | Recoverable | 7440-23-5 | ug/l | ||||||
| 52515 | Inorganics, Major, Metals | Calcium, bed sediment, recoverable, dry weight, micrograms per kilogram | Not checked | Dry | Bed Sediment | 7440-70-2 | ug/kg | |||||
| 52519 | Inorganics, Major, Metals | Magnesium, bed sediment, recoverable, dry weight, micrograms per kilogram | Not checked | Dry | Bed Sediment | 7439-95-4 | ug/kg | |||||
| 52522 | Inorganics, Major, Metals | Potassium, bed sediment, recoverable, dry weight, micrograms per kilogram | Not checked | Dry | Bed Sediment | 7440-09-7 | ug/kg | |||||
| 52524 | Inorganics, Major, Metals | Sodium, bed sediment, recoverable, dry weight, micrograms per kilogram | Not checked | Dry | Bed Sediment | 7440-23-5 | ug/kg | |||||
| 52528 | Inorganics, Major, Metals | Calcium, water, unfiltered, milligrams per liter | Not checked | Total | 7440-70-2 | mg/l | ||||||
| 52702 | Inorganics, Major, Metals | Magnesium, bed sediment, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7439-95-4 | mg/kg | |||||
| 52704 | Inorganics, Major, Metals | Potassium, bed sediment, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7440-09-7 | mg/kg | |||||
| 52707 | Inorganics, Major, Metals | Sodium, bed sediment, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7440-23-5 | mg/kg | |||||
| 52713 | Inorganics, Major, Metals | Calcium, bed sediment, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7440-70-2 | mg/kg | |||||
| 52718 | Inorganics, Major, Metals | Calcium, biota, tissue, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Total | 7440-70-2 | mg/kg | |||||
| 52719 | Inorganics, Major, Metals | Magnesium, biota, tissue, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Total | 7439-95-4 | mg/kg | |||||
| 52720 | Inorganics, Major, Metals | Potassium, biota, tissue, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Total | 7440-09-7 | mg/kg | |||||
| 52721 | Inorganics, Major, Metals | Sodium, biota, tissue, complete digestion, dry weight, milligrams per kilogram | Not checked | Dry | Total | 7440-23-5 | mg/kg | |||||
| 53698 | Inorganics, Major, Metals | Potassium, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7440-09-7 | mg/kg | |||||
| 53701 | Inorganics, Major, Metals | Magnesium, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram | Not checked | Dry | Bed Sediment | 7439-95-4 | mg/kg | |||||
| 61715 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, percent | Agree | Dry | < 2 mm | Bed Sediment | 7439-95-4 | Magnesium | % | |||
| 61718 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, percent | Agree | Dry | < 2 mm | Bed Sediment | 7440-09-7 | Potassium | % | |||
| 61720 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 2 millimeters, wet sieved (native water), complete digestion, dry weight, percent | Agree | Dry | < 2 mm | Bed Sediment | 7440-23-5 | Sodium | % | |||
| 62456 | Inorganics, Major, Metals | Calcium, bed sediment, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Bed Sediment | 7440-70-2 | Calcium | mg/kg | ||||
| 62457 | Inorganics, Major, Metals | Potassium, bed sediment, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Bed Sediment | 7440-09-7 | Potassium | mg/kg | ||||
| 62458 | Inorganics, Major, Metals | Magnesium, bed sediment, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Bed Sediment | 7439-95-4 | Magnesium | mg/kg | ||||
| 62459 | Inorganics, Major, Metals | Sodium, bed sediment, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Bed Sediment | 7440-23-5 | Sodium | mg/kg | ||||
| 62921 | Inorganics, Major, Metals | Calcium, suspended sediment, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Suspended | 7440-70-2 | Calcium | mg/kg | ||||
| 62922 | Inorganics, Major, Metals | Magnesium, suspended sediment, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Suspended | 7439-95-4 | Magnesium | mg/kg | ||||
| 64842 | Inorganics, Major, Metals | Calcium, biota, tissue, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-70-2 | Calcium | mg/kg | ||||
| 64844 | Inorganics, Major, Metals | Magnesium, biota, tissue, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7439-95-4 | Magnesium | mg/kg | ||||
| 64845 | Inorganics, Major, Metals | Potassium, biota, tissue, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-09-7 | Potassium | mg/kg | ||||
| 64846 | Inorganics, Major, Metals | Sodium, biota, tissue, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-23-5 | Sodium | mg/kg | ||||
| 65171 | Inorganics, Major, Metals | Calcium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 62.5 microns | Bed Sediment | 7440-70-2 | Calcium | mg/kg | |||
| 65174 | Inorganics, Major, Metals | Magnesium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 62.5 microns | Bed Sediment | 7439-95-4 | Magnesium | mg/kg | |||
| 65176 | Inorganics, Major, Metals | Potassium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 62.5 microns | Bed Sediment | 7440-09-7 | Potassium | mg/kg | |||
| 65178 | Inorganics, Major, Metals | Sodium, bed sediment smaller than 62.5 microns, wet sieved, field, complete digestion, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | < 62.5 microns | Bed Sediment | 7440-23-5 | Sodium | mg/kg | |||
| 65198 | Inorganics, Major, Metals | Potassium, solids, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-09-7 | Potassium | mg/kg | ||||
| 67906 | Inorganics, Major, Metals | Calcium, solids, complete digestion, dry weight, percent | USGS use and no use by EPA | Dry | Total | 7440-70-2 | % | |||||
| 67914 | Inorganics, Major, Metals | Magnesium, solids, complete digestion, dry weight, percent | USGS use and no use by EPA | Dry | Total | 7439-95-4 | % | |||||
| 67919 | Inorganics, Major, Metals | Potassium, solids, complete digestion, dry weight, percent | USGS use and no use by EPA | Dry | Total | 7440-09-7 | % | |||||
| 67922 | Inorganics, Major, Metals | Sodium, solids, complete digestion, dry weight, percent | USGS use and no use by EPA | Dry | Total | 7440-23-5 | % | |||||
| 81201 | Inorganics, Major, Metals | Calcium, water, dissolved, short tons per day | Not checked | Dissolved | 7440-70-2 | Calcium | tons/day | |||||
| 81202 | Inorganics, Major, Metals | Magnesium, water, dissolved, short tons per day | Not checked | Dissolved | 7439-95-4 | Magnesium | tons/day | |||||
| 81203 | Inorganics, Major, Metals | Sodium, water, dissolved, short tons per day | Not checked | Dissolved | 7440-23-5 | Sodium | tons/day | |||||
| 81204 | Inorganics, Major, Metals | Potassium, water, dissolved, short tons per day | Not checked | Dissolved | 7440-09-7 | Potassium | tons/day | |||||
| 81357 | Inorganics, Major, Metals | Calcium, suspended sediment, milligrams per liter | Agree | Suspended | 7440-70-2 | Calcium | mg/l | |||||
| 82032 | Inorganics, Major, Metals | Calcium, water, unfiltered, micrograms per liter | Agree | Total | 7440-70-2 | ug/l | ||||||
| 82033 | Inorganics, Major, Metals | Magnesium, water, unfiltered, micrograms per liter | Agree | Total | 7439-95-4 | ug/l | ||||||
| 82034 | Inorganics, Major, Metals | Potassium, water, unfiltered, micrograms per liter | Agree | Total | 7440-09-7 | ug/l | ||||||
| 82035 | Inorganics, Major, Metals | Sodium, water, unfiltered, micrograms per liter | Agree | Total | 7440-23-5 | ug/l | ||||||
| 82427 | Inorganics, Major, Metals | Potassium, soluble, dry atmospheric deposition, milligrams per kilogram | Agree | 7440-09-7 | Potassium | mg/kg | ||||||
| 82430 | Inorganics, Major, Metals | Sodium, soluble, dry atmospheric deposition, milligrams per kilogram | Agree | 7440-23-5 | Sodium | mg/kg | ||||||
| 82472 | Inorganics, Major, Metals | Calcium, soluble, dry atmospheric deposition, milligrams per kilogram | Agree | 7440-70-2 | Calcium | mg/kg | ||||||
| 82473 | Inorganics, Major, Metals | Magnesium, soluble, dry atmospheric deposition, milligrams per kilogram | Agree | 7439-95-4 | Magnesium | mg/kg | ||||||
| 82932 | Inorganics, Major, Metals | Calcium, wet atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-70-2 | Calcium | mg/l | |||||
| 82933 | Inorganics, Major, Metals | Calcium, wet atmospheric deposition, filtered, milligrams per square meter | Agree | Dissolved | 7440-70-2 | Calcium | mg/m2 | |||||
| 82938 | Inorganics, Major, Metals | Calcium, wet atmospheric deposition, unfiltered, recoverable, milligrams per liter | Agree | Recoverable | 7440-70-2 | Calcium | mg/l | |||||
| 83002 | Inorganics, Major, Metals | Magnesium, wet atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7439-95-4 | Magnesium | mg/l | |||||
| 83003 | Inorganics, Major, Metals | Magnesium, wet atmospheric deposition, filtered, milligrams per square meter | Agree | Dissolved | 7439-95-4 | Magnesium | mg/m2 | |||||
| 83120 | Inorganics, Major, Metals | Potassium, wet atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-09-7 | Potassium | mg/l | |||||
| 83121 | Inorganics, Major, Metals | Potassium, wet atmospheric deposition, filtered, milligrams per square meter | Agree | Dissolved | 7440-09-7 | Potassium | mg/m2 | |||||
| 83131 | Inorganics, Major, Metals | Potassium, wet atmospheric deposition, unfiltered, microequivalents per liter | Agree | Total | 7440-09-7 | Potassium | ueq/L | |||||
| 83138 | Inorganics, Major, Metals | Sodium, wet atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-23-5 | Sodium | mg/l | |||||
| 83139 | Inorganics, Major, Metals | Sodium, wet atmospheric deposition, filtered, milligrams per square meter | Agree | Dissolved | 7440-23-5 | Sodium | mg/m2 | |||||
| 83214 | Inorganics, Major, Metals | Calcium, bulk atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-70-2 | Calcium | mg/l | |||||
| 83284 | Inorganics, Major, Metals | Magnesium, bulk atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7439-95-4 | Magnesium | mg/l | |||||
| 83402 | Inorganics, Major, Metals | Potassium, bulk atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-09-7 | Potassium | mg/l | |||||
| 83420 | Inorganics, Major, Metals | Sodium, bulk atmospheric deposition, filtered, milligrams per liter | Agree | Dissolved | 7440-23-5 | Sodium | mg/l | |||||
| 85769 | Inorganics, Major, Metals | Sodium, biota, tissue, recoverable, wet weight, milligrams per kilogram | Agree | Wet | Recoverable | 7440-23-5 | Sodium | mg/kg | ||||
| 85770 | Inorganics, Major, Metals | Potassium, biota, tissue, recoverable, wet weight, milligrams per kilogram | Agree | Wet | Recoverable | 7440-09-7 | Potassium | mg/kg | ||||
| 90856 | Inorganics, Major, Metals | Sodium adsorption ratio (SAR), water, estimated by regression equation, number | USGS use and no use by EPA | Total | Sodium adsorption ratio | None | ||||||
| 90857 | Inorganics, Major, Metals | Sodium adsorption ratio (SAR), water, unfiltered, field, number | USGS use and no use by EPA | Total | Sodium adsorption ratio | None | ||||||
| 90858 | Inorganics, Major, Metals | Sodium adsorption ratio (SAR), water, filtered, field, number | USGS use and no use by EPA | Dissolved | Sodium adsorption ratio | None | ||||||
| 90872 | Inorganics, Major, Metals | Sodium adsorption ratio (SAR), soil, ratio | Not checked | Total | Sodium adsorption ratio | ratio | ||||||
| 91051 | Inorganics, Major, Metals | Calcium, water, filtered, micrograms per liter | USGS use and no use by EPA | Dissolved | 7440-70-2 | Calcium | ug/l | |||||
| 91052 | Inorganics, Major, Metals | Magnesium, water, filtered, micrograms per liter | USGS use and no use by EPA | Dissolved | 7439-95-4 | Magnesium | ug/l | |||||
| 91053 | Inorganics, Major, Metals | Sodium, water, filtered, micrograms per liter | USGS use and no use by EPA | Dissolved | 7440-23-5 | Sodium | ug/l | |||||
| 91054 | Inorganics, Major, Metals | Potassium, water, filtered, micrograms per liter | USGS use and no use by EPA | Dissolved | 7440-09-7 | Potassium | ug/l | |||||
| 91715 | Inorganics, Major, Metals | Potassium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-09-7 | Potassium | mg/kg | ||||
| 91716 | Inorganics, Major, Metals | Sodium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-23-5 | Sodium | mg/kg | ||||
| 91717 | Inorganics, Major, Metals | Magnesium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7439-95-4 | Magnesium | mg/kg | ||||
| 91718 | Inorganics, Major, Metals | Calcium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram | USGS use and no use by EPA | Dry | Recoverable | 7440-70-2 | Calcium | mg/kg | ||||
| 99398 | Inorganics, Major, Metals | Sodium, water, filtered, estimated by regression equation, milligrams per liter | Not checked | Dissolved | 7440-23-5 | mg/l | ||||||
| 99399 | Inorganics, Major, Metals | Calcium, water, filtered, estimated by regression equation, milligrams per liter | Not checked | Dissolved | 7440-70-2 | mg/l |