Explanation of NAWQA Surface-Water Sampling Schedules

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Stream water-quality constituents sampled during the ALMN Project

Table of Contents
Continuous streamflow
Discharge
Field constituents
Suspended sediment
Major ions and trace metals
Nutrients
Organic carbon
Trace elements (dissolved)
Trace elements (suspended sediment)
Dissolved pesticides
Volatile organic compounds (VOC's)
Mine drainage indicators (Low-Flow Synoptic only)
Mercury compounds (Mercury Synoptic only)
Sulfate (Mercury Synoptic only)
Total organic carbon (TOC, Mercury Synoptic only)
Abbreviations and Codes:
cfs - cubic feet per second
µS/cm - microsiemens per centimeter
deg. C - degree Celsius
mmHg - millimeters mercury
mg/l - milligrams per liter
µg/l - micrograms per liter
µg/g - micrograms per gram
ng/L - nanograms per liter
% - percent
mm - millimeters
(2701) - schedule code (for the UGSG National Water Quality Laboratory (NWQL))
(00925) - parameter (Watstore) code (unique to each constituent)


Discharge
(00061) Continuous streamflow (cfs)
Periodic stream gage measurements (cfs)
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Field constituents
(00095) Specific conductance (µS/cm)
(00400) pH (pH, standard units)
(00010) Temperature (deg. C)
(00025) Barometric pressure (mmHg)
(00300) Dissolved oxygen (µg/L)
(39086) Alkalinity, total dissolved (µg/L as CaCO3)

Note:  Field constituents are the same for all Study Components, except dissolved oxygen was not measured during the Mercury Synoptic, and dissolved oxygen and barometric pressure were not measured at sites during the Low-Flow Synoptic Survey of Streams in the Coal Fields of the ALMN Basin.

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Suspended sediment
(80154) Suspended Sediment (µg/L)
(70331) Suspended Sediment, percent finer than .062 mm
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(Schedule 2701) Major ions and trace metals (dissolved)
(00900) Hardness (µg/L as CaCO3)
(00915) Calcium (µg/L)
(00925) Magnesium (µg/L)
(00930) Sodium (µg/L)
(00935) Potassium (µg/L)
(00945) Sulfate (µg/L)
(00940) Chloride (µg/L)
(00950) Fluoride (µg/L)
(00955) Silica (µg/L)
(70300) Solids Residue at 180 deg. C, (µg/L)
(01046) Iron (ug/L)
(01056) Manganese (ug/L)
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(Schedule 2702) Nutrients
(00613) Dissolved Nitrogen as nitrite (µg/L)
(00631) Dissolved Nitrogen as nitrite + nitrate (µg/L)
(00608) Dissolved Nitrogen as ammonia (µg/L)
(00625) Total Nitrogen as ammonia + organic nitrogen (µg/L)
(00623) Dissolved Nitrogen as ammonia + organic nitrogen (µg/L)
(00665) Total Phosphorus (µg/L)
(00666) Dissolved Phosphorus (µg/L)
(00671) Dissolved Orthophosphorus (µg/L)
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Organic carbon
(00689) Suspended Total Organic Carbon (µg/L)
(00681) Dissolved Organic Carbon (µg/L)
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(Schedule 2703) Trace elements (dissolved)
(01095) Antimony (ug/L)
(01106) Aluminum (ug/L)
(01000) Arsenic (ug/L)
(01005) Barium (ug/L)
(01010) Beryllium (ug/L)
(01025) Cadmium (ug/L)
(01030) Chromium (ug/L)
(01035) Cobalt (ug/L)
(01040) Copper (ug/L)
(01049) Lead (ug/L)
(01060) Molybdenum (ug/L)
(01065) Nickel (ug/L)
(01145) Selenium (ug/L)
(01075) Silver (ug/L)
(22703) Uranium, natural (ug/L)
(01090) Zinc (ug/L)
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Trace elements (in suspended sediments)
Suspended Sediment (µg/L)
Aluminum (%)
Antimony (ug/L)
Arsenic (ug/L)
Barium (ug/L)
Beryllium (ug/L)
Cadmium (ug/L)
Carbon (%)
Organin Carbon (%)
Chromium (ug/g)
Cobalt (ug/g)
Copper (ug/g)
Iron (%)
Lead (ug/g)
Lithium (ug/g)
Manganese (ug/g)
Mercury (ug/g)
Molybdenum (ug/g)
Nickel (ug/g)
Phosphorus (%)
Selenium (ug/g)
Silver (ug/g)
Strontium (ug/g)
Sulfur (%)
Thallium (ug/g)
Uranium, natural (ug/g)
Vanadium (ug/g)
Zinc (ug/g)
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(Schedule 2010) Dissolved (filtered) pesticides
(82660) 2,6-Diethylaniline (ug/L)
(49260) Acetochlor (ug/L)
(46342) Alachlor (ug/L)
(39632) Atrazine (ug/L)
(82686) Azinphos-methyl (ug/L)
(82673) Benfluralin (ug/L)
(04028) Butylate (ug/L)
(82680) Carbaryl (ug/L)
(82674) Carbofuran (ug/L)
(38933) Chlorpyrifos (ug/L)
(04041) Cyanazine (ug/L)
(82682) DCPA (Dacthal) (ug/L)
(04040) Deethylatrazine (ug/L)
(39572) Diazinon (ug/L)
(39381) Dieldrin (ug/L)
(82677) Disulfoton (ug/L)
(82668) EPTC (ug/L)
(82663) Ethalfluralin (ug/L)
(82672) Ethoprophos (ug/L)
(04095) Fonofos (ug/L)
(39341) Lindane (ug/L)
(82666) Linuron (ug/L)
(39532) Malathion (ug/L)
(39415) Metolachlor (ug/L)
(82630) Metribuzin (Sencor) (ug/L)
(82671) Molinate (ug/L)
(82684) Napropamide (ug/L)
(39542) Parathion (ug/L)
(82667) Parathion-methyl (ug/L)
(82669) Pebulate (ug/L)
(82683) Pendimethalin (ug/L)
(82664) Phorate (ug/L)
(04037) Prometon (ug/L)
(04024) Propachlor (ug/L)
(82679) Propanil (ug/L)
(82685) Propargite (ug/L)
(82676) Propyzamide (Pronamide) (ug/L)
(04035) Simazine (ug/L)
(82670) Tebuthiuron (ug/L)
(82665) Terbacil (ug/L)
(82675) Terbufos (ug/L)
(82681) Thiobencarb (ug/L)
(82678) Tri-allate (ug/L)
(82661) Trifluralin (ug/L)
(34253) alpha-HCH (alpha-BHC) (ug/L)
(82687) cis-Permethrin (ug/L)
(34653) p,p'-DDE (ug/L)
(91063) Diazinon-d10 (surrogate) (pct)
(91064) Terbuthylazine (surrogate) (pct)
(91065) alpha-HCH-d6 (surrogate) (pct)
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(Schedule 2051) Dissolved (filtered) pesticides
(39742) 2,4,5-T (ug/L)
(39732) 2,4-D (ug/L)
(38746) 2,4-DB (ug/L)
(39762) 2-(2,4,5-Trichlorophenoxy) propionic acid (Silvex) (ug/L)
(49308) 3-Hydroxycarbofuran (ug/L)
(49299) 4,6-Dinitro-2-methylphenol (added after 1997 sampling) (ug/L)
(49315) Acifluorfen (ug/L)
(49312) Aldicarb (ug/L)
(49313) Aldicarb sulfone (ug/L)
(49314) Aldicarb sulfoxide (ug/L)
(38711) Bentazon (ug/L)
(04029) Bromacil (ug/L)
(49311) Bromoxynil (ug/L)
(49310) Carbaryl (ug/L)
(49309) Carbofuran (ug/L)
(49307) Chloramben (ug/L)
(49306) Chlorothalonil (ug/L)
(49305) Clopyralid (ug/L)
(49304) Dacthal monoacid (ug/L)
(38442) Dicamba (ug/L)
(49303) Dichlobenil (ug/L)
(49302) Dichlorprop (ug/L)
(49301) Dinoseb (ug/L)
(49300) Diuron (ug/L)
(49297) Fenuron (ug/L)
(38811) Fluometuron (ug/L)
(38478) Linuron (ug/L)
(38482) MCPA (ug/L)
(38487) MCPB (ug/L)
(38501) Methiocarb (ug/L)
(49296) Methomyl (ug/L)
(49294) Neburon (ug/L)
(49293) Norflurazon (ug/L)
(49292) Oryzalin (ug/L)
(38866) Oxamyl (ug/L)
(49291) Picloram (ug/L)
(49236) Propham (ug/L)
(38538) Propoxur (ug/L)
(49235) Triclopyr (ug/L)
(99835) BDMC (surrogate) (pct)
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(Schedule 79) Dissolved pesticides
(39740) 2,4,5-T (ug/L)
(39730) 2,4-D (ug/L)
(39760) 2-(2,4,5-Trichlorophenoxy) propionic acid (Silvex) (ug/L)
(82052) Dicamba (ug/L)
(82183) 2,4-DP (Dichlorprop) (ug/L)
(39720) Picloram (ug/L)
(90591) 2,4-DB (surrogate) (pct)
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(Schedule 2020) Volatile organic compounds (VOC's)
(77057) Vinyl acetate (ug/L)
(34210) Acrolein ug/L)
(77562) 1,1,1,2-Tetrachloroethane (ug/L)
(34506) 1,1,1-Trichloroethane (ug/L)
(34516) 1,1,2,2-Tetrachloroethane (ug/L)
(34511) 1,1,2-Trichloroethane (ug/L)
(77652) 1,1,2-Trichlorotrifluoroethane (ug/L)
(34496) 1,1-Dichloroethane (ug/L)
(34501) 1,1-Dichloroethylene (ug/L)
(77168) 1,1-Dichloropropene (ug/L)
(49999) 1,2,3,4-Tetramethylbenzene (ug/L)
(50000) 1,2,3,5-Tetramethylbenzene (ug/L)
(77613) 1,2,3-Trichlorobenzene (ug/L)
(77443) 1,2,3-Trichloropropane (ug/L)
(77221) 1,2,3-Trimethylbenzene (ug/L)
(34551) 1,2,4-Trichlorobenzene (ug/L)
(77222) 1,2,4-Trimethylbenzene (ug/L)
(82625) 1,2-Dibromo-3-chloropropane (ug/L)
(77651) 1,2-Dibromoethane (ug/L)
(34536) 1,2-Dichlorobenzene (ug/L)
(32103) 1,2-Dichloroethane (ug/L)
(34541) 1,2-Dichloropropane (ug/L)
(77226) 1,3,5-Trimethylbenzene (ug/L)
(34566) 1,3-Dichlorobenzene (ug/L)
(77173) 1,3-Dichloropropane (ug/L)
(34571) 1,4-Dichlorobenzene (ug/L)
(77170) 2,2-Dichloropropane (ug/L)
(81595) 2-Butanone (ug/L)
(77275) 2-Chlorotoluene (ug/L)
(77103) 2-Hexanone (ug/L)
(78109) 3-Chloropropene (ug/L)
(77277) 4-Chlorotoluene (ug/L)
(77356) 4-Isopropyl-1-methylbenzene (ug/L)
(78133) 4-Methyl-2-pentanone (ug/L)
(81552) Acetone (ug/L)
(34215) Acrylonitrile (ug/L)
(34030) Benzene (ug/L)
(81555) Bromobenzene (ug/L)
(77297) Bromochloromethane (ug/L)
(32101) Bromodichloromethane (ug/L)
(50002) Bromoethene (ug/L)
(32104) Bromoform (ug/L)
(34413) Bromomethane (ug/L)
(77342) Butylbenzene (ug/L)
(77041) Carbon disulfide (ug/L)
(34301) Chlorobenzene (ug/L)
(34311) Chloroethane (ug/L)
(32106) Chloroform (ug/L)
(34418) Chloromethane (ug/L)
(32105) Dibromochloromethane (ug/L)
(30217) Dibromomethane (ug/L)
(34668) Dichlorodifluoromethane (ug/L)
(34423) Dichloromethane (ug/L)
(81576) Diethyl ether (ug/L)
(81577) Diisopropyl ether (ug/L)
(73570) Ethyl methacrylate (ug/L)
(50004) Ethyl tert-butyl ether (ug/L)
(34371) Ethylbenzene (ug/L)
(39702) Hexachlorobutadiene (ug/L)
(34396) Hexachloroethane (ug/L)
(77223) Isopropylbenzene (ug/L)
(49991) Methyl acrylate (ug/L)
(81593) Methyl acrylonitrile (ug/L)
(77424) Methyl iodide (ug/L)
(81597) Methyl methacrylate (ug/L)
(34696) Naphthalene (ug/L)
(77128) Styrene (ug/L)
(34475) Tetrachloroethylene (ug/L)
(32102) Tetrachloromethane (ug/L)
(81607) Tetrahydrofuran (ug/L)
(34010) Toluene (ug/L)
(39180) Trichloroethylene (ug/L)
(34488) Trichlorofluoromethane (ug/L)
(39175) Vinyl chloride (ug/L)
(77093) cis-1,2-Dichloroethylene (ug/L)
(85795) m- and p-Xylene (ug/L)
(77224) n-Propylbenzene (ug/L)
(77220) o-Ethyl toluene (ug/L)
(77135) o-Xylene (ug/L)
(77350) sec-Butylbenzene (ug/L)
(78032) tert-Butyl methyl ether (ug/L)
(77353) tert-Butylbenzene (ug/L)
(50005) tert-Pentyl methyl ether (ug/L)
(34546) trans-1,2-Dichloroethylene (ug/L)
(34699) trans-1,3-Dichloropropene (ug/L)
(73547) trans-1,4-Dichloro-2-butene (ug/L)
(99832) 1,2-Dichloroethane-d4 (surrogate) (pct)
(99834) 1,4-Bromofluorobenzene (surrogate) (pct)
(99833) Toluene-d8 (surrogate) (pct)
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(Schedule 1065) Mine-drainage indicators
(00945) Sulfate (dis.) (µg/L as SO4)
(00940) Chloride (dis.) (µg/L as CL)
(01045) Iron, total (ug/L as FE)
(01046) Iron, dis. (ug/L as FE)
(01055) Manganese, total (ug/L as MN)
(01056) Manganese, dis. (ug/L as MN)
(01105) Aluminum, total (ug/L as AL)
(01106) Aluminum, dis. (ug/L as AL)
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Note:  The Mercury Synoptic was conducted as part of a National Pilot Study of Mercury Contamination of Aquatic Ecosystems along Multiple Gradients (Krabbenhoft and others, 1999). Some methodologies are not part of the National Water Quality Laboratory (NWQL) standards, and thus schedule numbers and parameter codes are not available for all constituents. The constituents without NWQL codes are identified with an (N/A).

(No Schedule No.) Mercury compounds
(N/A) Methylmercury (MeHg) (ng/L)
(N/A) Total mercury (HgT) (ng/L)
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(No Schedule No.) Sulfate(dissolved)
(N/A) Sulfate (µg/L) as SO4
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(No Schedule No.) Organic carbon, Total (TOC)
(N/A) Total organic carbon (µg/L)
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