Table 4. List of specific nutrients, pesticides, and volatile organic compounds analyzed in samples collected at intensive fixed sites
[MDL, method detection limit; mg/L, milligrams per liter; mg/L, micrograms per liter]
Nutrients1 | MDL (mg/L) |
Pesticides2 |
MDL (µg/L) |
Volatile organic |
MDL (µg/L) |
||
|
|||||||
Nitrogen, ammonia, dissolved | 0.015, .020 | Acifluorfen |
0.035 |
Acetone |
2.452 |
||
Nitrogen, ammonia plus organic, dissolved | .20, .10 | Alachlor |
.002 |
Acrolein |
.716 |
||
Nitrogen, ammonia plus organic, total | .20, .10 | Aldicarb |
.016 |
Acrylonitrile |
.613 |
||
Nitrogen, nitrite, dissolved | .01 | Aldicarb sulfone |
.016 |
Benzene |
.016 |
||
Nitrogen, nitrite plus nitrate, dissolved | .05 | Aldicarb sulfoxide |
.021 |
Bromobenzene |
.018 |
||
Phosphorus, total | .01 | Atrazine |
.001 |
Bromochloromethane |
.022 |
||
Phosphorus, dissolved | .01 | Azinphos-methyl |
.001 |
Bromoform |
.052 |
||
Phosphorus, orthophosphate, dissolved | .01 | Benfluralin |
.002 |
Bromomethane |
.074 |
||
Bentazon |
.014 |
2-Butanone |
.825 |
||||
Bromacil |
.035 |
n-Butylbenzene |
.093 |
||||
Bromoxynil |
.035 |
sec-Butylbenzene |
.024 |
||||
Butylate |
.002 |
tert-Butylbenzene |
.048 |
||||
Carbaryl |
.003 |
Carbon disulfide |
.04 |
||||
Carbofuran |
.003 |
Chlorobenzene |
.014 |
||||
Chloramben |
.011 |
Chlorodibromomethane |
.091 |
||||
Chlorothalonil |
.035 |
Chloroethane |
.06 |
||||
Chlorpyrifos |
.004 |
Chloroform |
.026 |
||||
Clopyralid |
.05 |
Chloromethane |
.127 |
||||
Cyanazine |
.004 |
3-Chloropropene |
.098 |
||||
2,4-D |
.035 |
2-Chlorotoluene |
.021 |
||||
Dacthal |
.017 |
4-Chlorotoluene |
.028 |
||||
2,4-DB |
.035 |
1,2-Dibromoethane |
.018 |
||||
DCPA |
.002 |
Dibromomethane |
.025 |
||||
p,p'-DDE |
.006 |
1,2-Dichlorobenzene |
.024 |
||||
Deethylatrazine |
.002 |
1,3-Dichlorobenzene |
.027 |
||||
Diazinon |
.002 |
1,4-Dichlorobenzene |
.025 |
||||
Dicamba |
.035 |
Dichlorobromomethane |
.024 |
||||
Dichlobenil |
.02 |
trans-1,4-Dichloro-2-butene |
.346 |
||||
Dichlorprop (2,4-DP) |
.032 |
Dichlorodifluoromethane |
.048 |
||||
Dieldrin |
.001 |
1,1-Dichloroethane |
.033 |
||||
2,6-Diethylaniline |
.003 |
1,2-Dichloroethane |
.067 |
||||
Dinoseb |
.035 |
1,1-Dichloroethene |
.022 |
||||
Disulfoton |
.017 |
cis-1,2-Dichloroethene |
.019 |
||||
Diuron |
.02 |
trans-1,2-Dichloroethene |
.016 |
||||
DNOC |
.035 |
1,2-Dichloropropane |
.034 |
||||
EPTC |
.002 |
1,3-Dichloropropane |
.058 |
||||
Esfenvalerate |
.019 |
2,2-Dichloropropane |
.039 |
||||
Ethalfluralin |
.004 |
1,1-Dichloropropene |
.013 |
||||
Ethoprop |
.003 |
cis-1,3-Dichloropropene |
.046 |
||||
Fenuron |
.013 |
trans-1,3-Dichloropropene |
.067 |
||||
Fluometuron |
.035 |
Diethyl ether |
.085 |
||||
Fonofos |
.003 |
Diisopropylether |
.049 |
||||
alpha-HCH |
.002 |
Ethylbenzene |
.015 |
||||
gamma-HCH (Lindane) |
.004 |
Ethyl tert-butyl ether (ETBE) |
.027 |
||||
3-Hydroxycarbofuran |
.014 |
Ethyl methacrylate |
.139 |
||||
Linuron |
.002 |
o-Ethyl toluene |
.05 |
||||
Malathion |
.005 |
Hexachlorobutadiene |
.071 |
||||
MCPA |
.05 |
Hexachloroethane |
.181 |
||||
MCPB |
.035 |
2-Hexanone |
.373 |
||||
Methiocarb |
.026 |
Isopropylbenzene |
.016 |
||||
Methomyl |
.017 |
p-Isopropyltoluene |
.055 |
||||
Methyl parathion |
.006 |
Methyl acrylate |
.306 |
||||
Metolachlor |
.002 |
Methyl acrylonitrile |
.285 |
||||
Metribuzin |
.004 |
Methyl tert-butyl ether (MTBE) |
.056 |
||||
Molinate |
.004 |
Methylene chloride |
.191 |
||||
1-Naphthol |
.007 |
Methyl iodide |
.038 |
||||
Napropamide |
.003 |
Methyl methacrylate |
.175 |
||||
Neburon |
.015 |
4-Methyl-2-pentanone (MIBK) |
.187 |
||||
Norflurazon |
.024 |
Naphthalene |
.125 |
||||
Oryzalin |
.019 |
tert-Pentyl methyl ether (TAME) |
.056 |
||||
Oxamyl |
.018 |
n-Propylbenzene |
.021 |
||||
Parathion |
.004 |
Styrene |
.021 |
||||
Pebulate |
.004 |
1,1,1,2-Tetrachloroethane |
.022 |
||||
Pendimethalin |
.004 |
1,1,2,2-Tetrachloroethane |
.066 |
||||
cis-Permethrin |
.005 |
Tetrachloroethene |
.019 |
||||
Phorate |
.002 |
Tetrachloromethane |
.044 |
||||
Picloram |
.05 |
Tetrahydrofuran |
.574 |
||||
Prometon |
.018 |
1,2,3,4-Tetramethylbenzene |
.115 |
||||
Pronamide |
.003 |
1,2,3,5-Tetramethylbenzene |
.12 |
||||
Propachlor |
.007 |
Toluene |
.019 |
||||
Propanil |
.004 |
1,2,3-Trichlorobenzene |
.133 |
||||
Propargite |
.013 |
1,2,4-Trichlorobenzene |
.094 |
||||
Propham |
.035 |
1,1,1-Trichloroethane |
.016 |
||||
Propoxur |
.035 |
1,1,2-Trichloroethane |
.032 |
||||
Simazine |
.005 |
Trichloroethene |
.019 |
||||
2,4,5-T |
.035 |
Trichlorofluoromethane (CFC 11) |
.046 |
||||
Tebuthiuron |
.01 |
1,2,3-Trichloropropane |
.035 |
||||
Terbacil |
.007 |
1,1,2-Trichlorotrifluoroethane |
.016 |
||||
Terbufos |
.013 |
1,2,3-Trimethylbenzene |
.062 |
||||
Thiobencarb |
.002 |
1,2,4-Trimethylbenzene |
.028 |
||||
2,4,5-TP |
.021 |
1,3,5-Trimethylbenzene |
.022 |
||||
Triallate |
.001 |
Vinyl acetate |
.631 |
||||
Triclopyr |
.05 |
Vinyl bromide |
.05 |
||||
Trifluralin |
.002 |
Vinyl chloride |
.056 |
||||
meta- and para-Xylene |
.032 |
||||||
ortho-Xylene |
.032 |
1 U.S. Geological Survey National Water-Quality Laboratory schedule 2702.
2 U.S. Geological Survey National Water-Quality Laboratory schedules 2001, 2050.
3 U.S. Geological Survey National Water-Quality Laboratory schedule 2020.
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