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Water Quality Samples for the Nation
Parameter Code |
Count | Begin Date |
End Date |
Parameter Code Complete Name |
---|---|---|---|---|
00004 | 64 | 1975-10-15 | 2017-09-21 | Stream width, feet |
00010 | 162 | 1975-10-15 | 2017-09-21 | Temperature, water, degrees Celsius |
00011 | 2 | 1975-10-15 | 2017-09-21 | Temperature, water, degrees Fahrenheit |
00020 | 156 | 1975-10-15 | 2017-09-21 | Temperature, air, degrees Celsius |
00025 | 94 | 1975-10-15 | 2017-09-21 | Barometric pressure, millimeters of mercury |
00028 | 68 | 1975-10-15 | 2017-09-21 | Agency analyzing sample, code |
00032 | 13 | 1975-10-15 | 2017-09-21 | Cloud cover, percent |
00035 | 13 | 1975-10-15 | 2017-09-21 | Wind speed, miles per hour |
00041 | 47 | 1975-10-15 | 2017-09-21 | Weather, World Meteorological Organization (WMO) code |
00060 | 1 | 1975-10-15 | 2017-09-21 | Discharge, cubic feet per second |
00061 | 157 | 1975-10-15 | 2017-09-21 | Discharge, instantaneous, cubic feet per second |
00063 | 65 | 1975-10-15 | 2017-09-21 | Number of sampling points, count |
00065 | 107 | 1975-10-15 | 2017-09-21 | Gage height, feet |
00070 | 22 | 1975-10-15 | 2017-09-21 | Turbidity, water, unfiltered, Jackson Turbidity Units |
00095 | 159 | 1975-10-15 | 2017-09-21 | Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius |
00191 | 141 | 1975-10-15 | 2017-09-21 | Hydrogen ion, water, unfiltered, calculated, milligrams per liter |
00300 | 138 | 1975-10-15 | 2017-09-21 | Dissolved oxygen, water, unfiltered, milligrams per liter |
00301 | 134 | 1975-10-15 | 2017-09-21 | Dissolved oxygen, water, unfiltered, percent of saturation |
00310 | 24 | 1975-10-15 | 2017-09-21 | Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter |
00400 | 141 | 1975-10-15 | 2017-09-21 | pH, water, unfiltered, field, standard units |
00403 | 105 | 1975-10-15 | 2017-09-21 | pH, water, unfiltered, laboratory, standard units |
00405 | 138 | 1975-10-15 | 2017-09-21 | Carbon dioxide, water, unfiltered, milligrams per liter |
00410 | 47 | 1975-10-15 | 2017-09-21 | Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter as calcium carbonate |
00419 | 1 | 1975-10-15 | 2017-09-21 | Acid neutralizing capacity, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate |
00440 | 24 | 1975-10-15 | 2017-09-21 | Bicarbonate, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter |
00445 | 23 | 1975-10-15 | 2017-09-21 | Carbonate, water, unfiltered, fixed endpoint (pH 8.3) titration, field, milligrams per liter |
00452 | 4 | 1975-10-15 | 2017-09-21 | Carbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter |
00453 | 4 | 1975-10-15 | 2017-09-21 | Bicarbonate, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter |
00515 | 1 | 1975-10-15 | 2017-09-21 | Dissolved solids dried at 105 degrees Celsius, water, filtered, milligrams per liter |
00530 | 1 | 1975-10-15 | 2017-09-21 | Suspended solids, water, unfiltered, milligrams per liter |
00572 | 1 | 1975-10-15 | 2017-09-21 | Biomass, periphyton, ash weight, grams per square meter |
00573 | 1 | 1975-10-15 | 2017-09-21 | Biomass, periphyton, dry weight, grams per square meter |
00600 | 59 | 1975-10-15 | 2017-09-21 | Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter |
00605 | 87 | 1975-10-15 | 2017-09-21 | Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen |
00607 | 3 | 1975-10-15 | 2017-09-21 | Organic nitrogen, water, filtered, milligrams per liter as nitrogen |
00608 | 33 | 1975-10-15 | 2017-09-21 | Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen |
00610 | 54 | 1975-10-15 | 2017-09-21 | Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen |
00613 | 33 | 1975-10-15 | 2017-09-21 | Nitrite, water, filtered, milligrams per liter as nitrogen |
00615 | 1 | 1975-10-15 | 2017-09-21 | Nitrite, water, unfiltered, milligrams per liter as nitrogen |
00618 | 33 | 1975-10-15 | 2017-09-21 | Nitrate, water, filtered, milligrams per liter as nitrogen |
00620 | 1 | 1975-10-15 | 2017-09-21 | Nitrate, water, unfiltered, milligrams per liter as nitrogen |
00625 | 57 | 1975-10-15 | 2017-09-21 | Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen |
00630 | 56 | 1975-10-15 | 2017-09-21 | Nitrate plus nitrite, water, unfiltered, milligrams per liter as nitrogen |
00631 | 33 | 1975-10-15 | 2017-09-21 | Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen |
00650 | 3 | 1975-10-15 | 2017-09-21 | Phosphate, water, unfiltered, milligrams per liter as PO4 |
00660 | 33 | 1975-10-15 | 2017-09-21 | Orthophosphate, water, filtered, milligrams per liter as PO4 |
00665 | 90 | 1975-10-15 | 2017-09-21 | Phosphorus, water, unfiltered, milligrams per liter as phosphorus |
00666 | 2 | 1975-10-15 | 2017-09-21 | Phosphorus, water, filtered, milligrams per liter as phosphorus |
00671 | 33 | 1975-10-15 | 2017-09-21 | Orthophosphate, water, filtered, milligrams per liter as phosphorus |
00680 | 1 | 1975-10-15 | 2017-09-21 | Organic carbon, water, unfiltered, milligrams per liter |
00681 | 15 | 1975-10-15 | 2017-09-21 | Organic carbon, water, filtered, milligrams per liter |
00689 | 13 | 1975-10-15 | 2017-09-21 | Organic carbon, suspended sediment, total, milligrams per liter |
00694 | 3 | 1975-10-15 | 2017-09-21 | Carbon [inorganic plus organic], suspended sediment, total, milligrams per liter |
00900 | 139 | 1975-10-15 | 2017-09-21 | Hardness, water, milligrams per liter as calcium carbonate |
00902 | 43 | 1975-10-15 | 2017-09-21 | Noncarbonate hardness, water, unfiltered, field, milligrams per liter as calcium carbonate |
00904 | 4 | 1975-10-15 | 2017-09-21 | Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate |
00905 | 31 | 1975-10-15 | 2017-09-21 | Noncarbonate hardness, water, filtered, lab, milligrams per liter as calcium carbonate |
00915 | 139 | 1975-10-15 | 2017-09-21 | Calcium, water, filtered, milligrams per liter |
00925 | 139 | 1975-10-15 | 2017-09-21 | Magnesium, water, filtered, milligrams per liter |
00930 | 139 | 1975-10-15 | 2017-09-21 | Sodium, water, filtered, milligrams per liter |
00931 | 139 | 1975-10-15 | 2017-09-21 | Sodium adsorption ratio (SAR), water, number |
00932 | 139 | 1975-10-15 | 2017-09-21 | Sodium fraction of cations, water, percent in equivalents of major cations |
00933 | 6 | 1975-10-15 | 2017-09-21 | Sodium plus potassium, water, filtered, milligrams per liter as sodium |
00935 | 139 | 1975-10-15 | 2017-09-21 | Potassium, water, filtered, milligrams per liter |
00940 | 139 | 1975-10-15 | 2017-09-21 | Chloride, water, filtered, milligrams per liter |
00945 | 139 | 1975-10-15 | 2017-09-21 | Sulfate, water, filtered, milligrams per liter |
00950 | 139 | 1975-10-15 | 2017-09-21 | Fluoride, water, filtered, milligrams per liter |
00955 | 138 | 1975-10-15 | 2017-09-21 | Silica, water, filtered, milligrams per liter as SiO2 |
01000 | 47 | 1975-10-15 | 2017-09-21 | Arsenic, water, filtered, micrograms per liter |
01001 | 4 | 1975-10-15 | 2017-09-21 | Arsenic, suspended sediment, total, micrograms per liter |
01002 | 45 | 1975-10-15 | 2017-09-21 | Arsenic, water, unfiltered, micrograms per liter |
01005 | 34 | 1975-10-15 | 2017-09-21 | Barium, water, filtered, micrograms per liter |
01007 | 33 | 1975-10-15 | 2017-09-21 | Barium, water, unfiltered, recoverable, micrograms per liter |
01010 | 47 | 1975-10-15 | 2017-09-21 | Beryllium, water, filtered, micrograms per liter |
01011 | 2 | 1975-10-15 | 2017-09-21 | Beryllium, suspended sediment, recoverable, micrograms per liter |
01012 | 45 | 1975-10-15 | 2017-09-21 | Beryllium, water, unfiltered, recoverable, micrograms per liter |
01015 | 1 | 1975-10-15 | 2017-09-21 | Bismuth, water, filtered, micrograms per liter |
01020 | 71 | 1975-10-15 | 2017-09-21 | Boron, water, filtered, micrograms per liter |
01025 | 46 | 1975-10-15 | 2017-09-21 | Cadmium, water, filtered, micrograms per liter |
01026 | 2 | 1975-10-15 | 2017-09-21 | Cadmium, suspended sediment, recoverable, micrograms per liter |
01027 | 43 | 1975-10-15 | 2017-09-21 | Cadmium, water, unfiltered, micrograms per liter |
01030 | 30 | 1975-10-15 | 2017-09-21 | Chromium, water, filtered, micrograms per liter |
01031 | 3 | 1975-10-15 | 2017-09-21 | Chromium, suspended sediment, recoverable, micrograms per liter |
01034 | 44 | 1975-10-15 | 2017-09-21 | Chromium, water, unfiltered, recoverable, micrograms per liter |
01035 | 1 | 1975-10-15 | 2017-09-21 | Cobalt, water, filtered, micrograms per liter |
01040 | 46 | 1975-10-15 | 2017-09-21 | Copper, water, filtered, micrograms per liter |
01041 | 4 | 1975-10-15 | 2017-09-21 | Copper, suspended sediment, recoverable, micrograms per liter |
01042 | 44 | 1975-10-15 | 2017-09-21 | Copper, water, unfiltered, recoverable, micrograms per liter |
01044 | 3 | 1975-10-15 | 2017-09-21 | Iron, suspended sediment, recoverable, micrograms per liter |
01045 | 45 | 1975-10-15 | 2017-09-21 | Iron, water, unfiltered, recoverable, micrograms per liter |
01046 | 87 | 1975-10-15 | 2017-09-21 | Iron, water, filtered, micrograms per liter |
01049 | 46 | 1975-10-15 | 2017-09-21 | Lead, water, filtered, micrograms per liter |
01050 | 4 | 1975-10-15 | 2017-09-21 | Lead, suspended sediment, recoverable, micrograms per liter |
01051 | 43 | 1975-10-15 | 2017-09-21 | Lead, water, unfiltered, recoverable, micrograms per liter |
01054 | 4 | 1975-10-15 | 2017-09-21 | Manganese, suspended sediment, recoverable, micrograms per liter |
01055 | 45 | 1975-10-15 | 2017-09-21 | Manganese, water, unfiltered, recoverable, micrograms per liter |
01056 | 47 | 1975-10-15 | 2017-09-21 | Manganese, water, filtered, micrograms per liter |
01060 | 6 | 1975-10-15 | 2017-09-21 | Molybdenum, water, filtered, micrograms per liter |
01062 | 6 | 1975-10-15 | 2017-09-21 | Molybdenum, water, unfiltered, recoverable, micrograms per liter |
01065 | 46 | 1975-10-15 | 2017-09-21 | Nickel, water, filtered, micrograms per liter |
01066 | 4 | 1975-10-15 | 2017-09-21 | Nickel, suspended sediment, recoverable, micrograms per liter |
01067 | 44 | 1975-10-15 | 2017-09-21 | Nickel, water, unfiltered, recoverable, micrograms per liter |
01075 | 1 | 1975-10-15 | 2017-09-21 | Silver, water, filtered, micrograms per liter |
01080 | 17 | 1975-10-15 | 2017-09-21 | Strontium, water, filtered, micrograms per liter |
01085 | 6 | 1975-10-15 | 2017-09-21 | Vanadium, water, filtered, micrograms per liter |
01090 | 46 | 1975-10-15 | 2017-09-21 | Zinc, water, filtered, micrograms per liter |
01091 | 4 | 1975-10-15 | 2017-09-21 | Zinc, suspended sediment, recoverable, micrograms per liter |
01092 | 44 | 1975-10-15 | 2017-09-21 | Zinc, water, unfiltered, recoverable, micrograms per liter |
01100 | 1 | 1975-10-15 | 2017-09-21 | Tin, water, filtered, micrograms per liter |
01105 | 39 | 1975-10-15 | 2017-09-21 | Aluminum, water, unfiltered, recoverable, micrograms per liter |
01106 | 39 | 1975-10-15 | 2017-09-21 | Aluminum, water, filtered, micrograms per liter |
01120 | 1 | 1975-10-15 | 2017-09-21 | Gallium, water, filtered, micrograms per liter |
01125 | 1 | 1975-10-15 | 2017-09-21 | Germanium, water, filtered, micrograms per liter |
01130 | 22 | 1975-10-15 | 2017-09-21 | Lithium, water, filtered, micrograms per liter |
01132 | 6 | 1975-10-15 | 2017-09-21 | Lithium, water, unfiltered, recoverable, micrograms per liter |
01145 | 47 | 1975-10-15 | 2017-09-21 | Selenium, water, filtered, micrograms per liter |
01146 | 4 | 1975-10-15 | 2017-09-21 | Selenium, suspended sediment, total, micrograms per liter |
01147 | 45 | 1975-10-15 | 2017-09-21 | Selenium, water, unfiltered, micrograms per liter |
01150 | 1 | 1975-10-15 | 2017-09-21 | Titanium, water, filtered, micrograms per liter |
01160 | 1 | 1975-10-15 | 2017-09-21 | Zirconium, water, filtered, micrograms per liter |
01300 | 10 | 1975-10-15 | 2017-09-21 | Oil and grease, severity, code |
01305 | 10 | 1975-10-15 | 2017-09-21 | Suds or foam, severity, code |
01320 | 10 | 1975-10-15 | 2017-09-21 | Floating garbage, severity, code |
01325 | 10 | 1975-10-15 | 2017-09-21 | Floating algae mats, severity, code |
01330 | 10 | 1975-10-15 | 2017-09-21 | Odor, atmospheric, severity, code |
01340 | 10 | 1975-10-15 | 2017-09-21 | Dead fish, severity, code |
01345 | 10 | 1975-10-15 | 2017-09-21 | Floating debris, severity, code |
01350 | 10 | 1975-10-15 | 2017-09-21 | Turbidity, severity, code |
03515 | 1 | 1975-10-15 | 2017-09-21 | Gross beta radioactivity, water, filtered, Cs-137 curve, picocuries per liter |
03516 | 1 | 1975-10-15 | 2017-09-21 | Gross beta radioactivity, suspended sediment, Cs-137 curve, picocuries per liter |
09511 | 1 | 1975-10-15 | 2017-09-21 | Radium-226, water, filtered, radon method, picocuries per liter |
29801 | 84 | 1975-10-15 | 2017-09-21 | Alkalinity, water, filtered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate |
30207 | 107 | 1975-10-15 | 2017-09-21 | Gage height, above datum, meters |
30208 | 1 | 1975-10-15 | 2017-09-21 | Discharge, cubic meters per second |
30209 | 157 | 1975-10-15 | 2017-09-21 | Discharge, instantaneous, cubic meters per second |
39086 | 4 | 1975-10-15 | 2017-09-21 | Alkalinity, water, filtered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate |
49570 | 3 | 1975-10-15 | 2017-09-21 | Particulate nitrogen, suspended in water, milligrams per liter |
49954 | 1 | 1975-10-15 | 2017-09-21 | Biomass, periphyton, ash free dry mass, grams per square meter |
50015 | 2 | 1975-10-15 | 2017-09-21 | Transit rate, sampler, feet per second |
50280 | 11 | 1975-10-15 | 2017-09-21 | Site visit purpose, code |
50286 | 4 | 1975-10-15 | 2017-09-21 | Mercury, water, unfiltered, nanograms per liter |
62359 | 1 | 1975-10-15 | 2017-09-21 | Pheophytin a, periphyton, milligrams per square meter |
62854 | 3 | 1975-10-15 | 2017-09-21 | Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, filtered, analytically determined, milligrams per liter |
62855 | 33 | 1975-10-15 | 2017-09-21 | Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter |
63676 | 1 | 1975-10-15 | 2017-09-21 | Turbidity, water, unfiltered, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, NTRU |
70300 | 2 | 1975-10-15 | 2017-09-21 | Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter |
70301 | 139 | 1975-10-15 | 2017-09-21 | Dissolved solids, water, filtered, sum of constituents, milligrams per liter |
70302 | 138 | 1975-10-15 | 2017-09-21 | Dissolved solids, water, short tons per day |
70303 | 139 | 1975-10-15 | 2017-09-21 | Dissolved solids, water, filtered, short tons per acre-foot |
70331 | 110 | 1975-10-15 | 2017-09-21 | Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters |
70338 | 1 | 1975-10-15 | 2017-09-21 | Suspended sediment, fall diameter (deionized water), percent smaller than 0.004 millimeters |
70340 | 1 | 1975-10-15 | 2017-09-21 | Suspended sediment, fall diameter (deionized water), percent smaller than 0.016 millimeters |
70950 | 1 | 1975-10-15 | 2017-09-21 | Biomass to chlorophyll ratio, periphyton, number |
70957 | 1 | 1975-10-15 | 2017-09-21 | Chlorophyll a, periphyton, chromatographic-fluorometric method, milligrams per square meter |
71845 | 54 | 1975-10-15 | 2017-09-21 | Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4 |
71846 | 33 | 1975-10-15 | 2017-09-21 | Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4 |
71851 | 33 | 1975-10-15 | 2017-09-21 | Nitrate, water, filtered, milligrams per liter as nitrate |
71856 | 33 | 1975-10-15 | 2017-09-21 | Nitrite, water, filtered, milligrams per liter as nitrite |
71865 | 5 | 1975-10-15 | 2017-09-21 | Iodide, water, filtered, milligrams per liter |
71870 | 5 | 1975-10-15 | 2017-09-21 | Bromide, water, filtered, milligrams per liter |
71886 | 25 | 1975-10-15 | 2017-09-21 | Phosphorus, water, unfiltered, milligrams per liter as PO4 |
71887 | 56 | 1975-10-15 | 2017-09-21 | Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter as nitrate |
71890 | 14 | 1975-10-15 | 2017-09-21 | Mercury, water, filtered, micrograms per liter |
71895 | 3 | 1975-10-15 | 2017-09-21 | Mercury, suspended sediment, recoverable, micrograms per liter |
71900 | 20 | 1975-10-15 | 2017-09-21 | Mercury, water, unfiltered, recoverable, micrograms per liter |
71999 | 12 | 1975-10-15 | 2017-09-21 | Sample purpose, code |
72053 | 2 | 1975-10-15 | 2017-09-21 | Number of days since last precipitation event |
72104 | 34 | 1975-10-15 | 2017-09-21 | Sample location, distance downstream, feet |
72105 | 28 | 1975-10-15 | 2017-09-21 | Sample location, distance upstream, feet |
72219 | 2 | 1975-10-15 | 2017-09-21 | Sampler nozzle material, code |
72220 | 2 | 1975-10-15 | 2017-09-21 | Sampler nozzle diameter, code |
80010 | 1 | 1975-10-15 | 2017-09-21 | Uranium, water, filtered, direct fluorometric method, picocuries per liter |
80030 | 1 | 1975-10-15 | 2017-09-21 | Gross alpha radioactivity, water, filtered, natural uranium curve, micrograms per liter |
80040 | 1 | 1975-10-15 | 2017-09-21 | Gross alpha radioactivity, suspended sediment, natural uranium curve, micrograms per liter |
80050 | 1 | 1975-10-15 | 2017-09-21 | Gross beta radioactivity, water, filtered, Sr-90/Y-90 curve, picocuries per liter |
80060 | 1 | 1975-10-15 | 2017-09-21 | Gross beta radioactivity, suspended sediment, Sr-90/Y-90 curve, picocuries per liter |
80154 | 136 | 1975-10-15 | 2017-09-21 | Suspended sediment concentration, milligrams per liter |
80155 | 135 | 1975-10-15 | 2017-09-21 | Suspended sediment discharge, short tons per day |
81904 | 3 | 1975-10-15 | 2017-09-21 | Velocity at point in stream, feet per second |
82068 | 4 | 1975-10-15 | 2017-09-21 | Potassium-40, water, filtered, picocuries per liter |
82398 | 85 | 1975-10-15 | 2017-09-21 | Sampling method, code |
84164 | 80 | 1975-10-15 | 2017-09-21 | Sampler type, code |
84171 | 49 | 1975-10-15 | 2017-09-21 | Sample splitter type, field, code |
84182 | 11 | 1975-10-15 | 2017-09-21 | Bottle or bag sampler material (construction), code |
90095 | 105 | 1975-10-15 | 2017-09-21 | Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius |
90410 | 21 | 1975-10-15 | 2017-09-21 | Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate |
95902 | 6 | 1975-10-15 | 2017-09-21 | Noncarbonate hardness, water, milligrams per liter as calcium carbonate |
99105 | 4 | 1975-10-15 | 2017-09-21 | Type of replicate, code |
99111 | 15 | 1975-10-15 | 2017-09-21 | Type of quality assurance data associated with sample, code |
99156 | 3 | 1975-10-15 | 2017-09-21 | Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD |
99159 | 12 | 1975-10-15 | 2017-09-21 | Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD |
99162 | 1 | 1975-10-15 | 2017-09-21 | Conductance standard NWIS lot number, 250 uS/cm KCl, National Field Supply Service (NFSS) stock number Q44FLD |
99163 | 4 | 1975-10-15 | 2017-09-21 | Conductance standard NWIS lot number, 500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q45FLD |
99165 | 6 | 1975-10-15 | 2017-09-21 | Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD |
99166 | 2 | 1975-10-15 | 2017-09-21 | Conductance standard NWIS lot number, 2500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q49FLD |
99167 | 1 | 1975-10-15 | 2017-09-21 | Conductance standard NWIS lot number, 5000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q48FLD |
99171 | 8 | 1975-10-15 | 2017-09-21 | pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD |
99173 | 9 | 1975-10-15 | 2017-09-21 | pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD |
99206 | 12 | 1975-10-15 | 2017-09-21 | NWIS lot number, capsule filter, 0.45 micron |