Scientific Investigations Report 2006-5005
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5005
[Pesticide target analyte: CIAT, 2-chloro-4-isopropylamino-6-amino-s-triazine; OIET, 2-hydroxy-4-isopropylamino-6-ethylamino-s-triazine.Abbreviations: µg/L, microgram per liter; M, presence of material verified, but not quantified; E, because recovery or variation in recovery was outside the acceptable range, compound is qualified with an E-code (estimated) or concentration reported is less than laboratory reporting level and is qualified as estimated; <, less than; –, no data]
Pesticide target analyte | Concentration in replicates (mg/L) | Percentage of relative difference |
---|---|---|
2,4-D methyl ester | 0.017 | 19 |
.014 | ||
.037 | 10 | |
.041 | ||
2,4-D | .29 | .0 |
.29 | ||
.3 | 3.4 | |
.29 | ||
CIAT | <.03 | – |
E.011 | ||
E.01 | .0 | |
E.01 | ||
E.01 | 9.5 | |
E.011 | ||
OIET | E.009 | 25 |
E.007 | ||
Alachlor | E.004 | – |
<.005 | ||
Atrazine | .011 | 71 |
.023 | ||
.02 | 5.1 | |
.019 | ||
.01 | 62 | |
.019 | ||
Azinphos-methyl | E.018 | 5.4 |
E.019 | ||
Bentazon | E.05 | .0 |
E.05 | ||
E.02 | .0 | |
E.02 |
Pesticide target analyte | Concentration in replicates (mg/L) | Percentage of relative difference |
---|---|---|
Chlorpyrifos | E0.004 | 0.0 |
E.004 | ||
DCPA | .008 | .0 |
.008 | ||
Dicamba | E.19 | 38 |
E.13 | ||
.02 | 67 | |
.01 | ||
Diphenamid | M | .0 |
M | ||
Diuron | .02 | .0 |
.02 | ||
E.01 | .0 | |
E.01 | ||
EPTC | .033 | 3.1 |
.032 | ||
Linuron | E.014 | 7.4 |
E.013 | ||
Metolachlor | E.01 | .0 |
E.01 | ||
Metribuzin | E.005 | .0 |
E.005 | ||
Nicosulfuron | E.01 | .0 |
E.01 | ||
Simazine | .01 | .0 |
.01 | ||
Terbacil | E.022 | 4.7 |
E.021 |
[Abbreviations: M, presence of material verified, but not quantified; –, no data]
Pesticide target analyte | Percentage of mean recovery | Number of samples |
---|---|---|
Gas Chromatography/Mass Spectrometry analytical data | ||
Acetochlor | 110 | 1 |
Alachlor | 112 | 1 |
Atrazine | 125 | 1 |
Azinphos-methyl | 44 | 1 |
Benfluralin | 105 | 1 |
Butylate | 98 | 1 |
Carbyl | 36 | 1 |
Carbofuran | 145 | 1 |
Chlorpyrifos | 99 | 1 |
Cyanazine | 133 | 1 |
CIAT | 33 | 1 |
DCPA | 101 | 1 |
4,4’-DDE | 53 | 1 |
Diazinon | 92 | 1 |
Dieldrin | 86 | 1 |
2,6-Diethylanaline | 70 | 1 |
Disulfoton | 53 | 1 |
EPTC | 92 | 1 |
Ethalfluralin | 121 | 1 |
Ethoprop | 91 | 1 |
Fipronil | 166 | 1 |
Fipronil sulfide | 121 | 1 |
Fipronil sulfone | 108 | 1 |
Fonos | 94 | 1 |
alpha-HCH | 92 | 1 |
gamma-HCH | 92 | 1 |
Linuron | 97 | 1 |
Malathion | 113 | 1 |
Methyl parathion | 164 | 1 |
Metolachlor | 114 | 1 |
Metribuzin | 78 | 1 |
Molinate | 88 | 1 |
Napropamide | 90 | 1 |
Parathion | 171 | 1 |
Pebulate | 93 | 1 |
Pendimethalin | 116 | 1 |
cis-Permethrin | 55 | 1 |
Phorate | 77 | 1 |
Prometon | 116 | 1 |
Propyzamide | 95 | 1 |
Propachlor | 112 | 1 |
Propanil | 121 | 1 |
Propargite | 213 | 1 |
Simazine | 99 | 1 |
Tebuthiuron | 151 | 1 |
Terbacil | 79 | 1 |
Terbufos | 80 | 1 |
Thiobencarb | 93 | 1 |
Triallate | 92 | 1 |
Trifluralin | 108 | 1 |
High-Performance Liquid Chromatography/Mass Spectrometry analytical data | ||
2,4-D | 37 | 1 |
2,4-D methyl ester | 50 | 1 |
2,4-DB | – | 0 |
OIET | – | 0 |
3(4-Chlorophenyl)-1-methyl urea | 71 | 1 |
3-Ketocarbofuran | 0/M | 1 |
Acifluorfen | – | 0 |
Pesticide target analyte | Percentage of mean recovery | Number of samples |
---|---|---|
High-Performance Liquid Chromatography/Mass Spectrometry analytical data—Continued | ||
Aldicarb | 60 | 1 |
Aldicarb sulfone | 34 | 1 |
Aldicarb sulfoxide | 62 | 1 |
Chloramben, methyl ester | 45 | 1 |
Atrazine | 78 (39,362) | 1 |
Bendiocarb | 60 | 1 |
Benomyl | 85 | 1 |
Bensulfuron-methyl | 150 | 1 |
Bentazon | – | 0 |
Bromacil | 60 | 1 |
Bromoxynil | – | 0 |
Caffeine | 81 | 1 |
Carbaryl | 82 | 1 |
Carbofuran | 91 | 1 |
3-Hydroxycarbofuran | 85 | 1 |
Chlorimuron-ethyl | 96 | 1 |
Chlorothalonil | – | 0 |
Clopyralid | – | 0 |
Cycloate | 86 | 1 |
Dacthal monoacid | – | 0 |
CIAT | 52 | 1 |
Chlordiamino-s-triazine | – | 0 |
CEAT | 124 | 1 |
Dicamba | – | 0 |
Dichlorprop | – | 0 |
Dinoseb | – | 0 |
Diphenamid | 97 | 1 |
Diuron | 109 | 1 |
Fenuron | 79 | 1 |
Flumetsulam | 120 | 1 |
Fluometuron | 97 | 1 |
Imazaquin | 86 | 1 |
Imazethapyr | 105 | 1 |
Imidacloprid | 128 | 1 |
Linuron | 97 | 1 |
MCPA | – | 0 |
MCPB | – | 0 |
Metalaxyl | 101 | 1 |
Methiocarb | 89 | 1 |
Methomyl | 91 | 1 |
Metsulfuron methyl | 79 | 1 |
Neburon | 101 | 1 |
Nicosulfuron | 127 | 1 |
Norflurazon | 101 | 1 |
Oryzalin | 86 | 1 |
Oxamyl | 67 | 1 |
Picloram | – | 0 |
Propham | 74 | 1 |
Propiconazole | 97 | 1 |
Propoxur | 91 | 1 |
Siduron | 105 | 1 |
Sulfometuron-methyl | 121 | 1 |
Tebuthiuron | 87 | 1 |
Terbacil | 64 | 1 |
Tribenuron-methyl | 87 | 1 |
Triclopyr | – | 0 |
[GC/MS, analysis by gas chromatography/mass spectrometry; HPLC/MS, analysis by high-performance liquid chromatography/mass spectrometry. Abbreviations:E, because recovery or variation in recovery was outside the acceptable range, compound is qualified with an E-code (estimated) or concentration reported is less than laboratory reporting level and is qualified as estimated; <, less than]
Sampling site | Date | Time | Atrazine | CIAT | Tebuthiuron | |||||
---|---|---|---|---|---|---|---|---|---|---|
GC/MS | HPLC/MS | GC/MS | HPLC/MS | GC/MS | HPLC/MS | |||||
39632 | 39632 | 4040 | 4040 | 82670 | 82670 | |||||
Crab Creek | ||||||||||
12472600 | 07-30-02 | 1020 | 0.021 | E0.013 | E0.019 | E0.012 | <0.02 | <0.032 | ||
12472600 | 09-24-02 | 1100 | .014 | E.008 | E.013 | E.009 | <.02 | <.032 | ||
12472600 | 02-05-03 | 1120 | .016 | .01 | E.014 | E.008 | <.02 | <.032 | ||
12472600 | 04-09-03 | 0930 | .015 | E.006 | E.009 | E.007 | <.02 | <.032 | ||
12472600 | 05-07-03 | 0940 | .023 | .015 | E.007 | E.007 | <.02 | <.032 | ||
12472600 | 07-01-03 | 1400 | .019 | E.009 | E.011 | E.006 | <.02 | <.032 | ||
12472600 | 10-06-03 | 1350 | .014 | E.009 | E.004 | E.009 | <.02 | <.032 | ||
12472600 | 02-03-04 | 1330 | .017 | E.005 | E.014 | <.028 | <.02 | <.032 | ||
12472600 | 04-06-04 | 1310 | .016 | E.008 | E.011 | E.007 | <.02 | <.032 | ||
12472600 | 06-08-04 | 1250 | .019 | .01 | E.010 | <.028 | <.02 | <.032 | ||
12472600 | 07-07-04 | 1320 | .026 | .013 | E.012 | E.008 | <.02 | <.032 | ||
12472600 | 10-05-04 | 1310 | .018 | E.006 | E.010 | E.005 | <.02 | E.004 | ||
Lind Coulee | ||||||||||
12471400 | 07-30-02 | 1345 | 0.008 | E0.004 | E0.005 | <0.028 | <0.02 | <0.032 | ||
12471400 | 09-24-02 | 1400 | .009 | E.004 | E.006 | E.004 | <.02 | <.032 | ||
12471400 | 02-05-03 | 1440 | .011 | E.006 | E.008 | E.005 | <.02 | <.032 | ||
12471400 | 04-09-03 | 1520 | <.007 | <.009 | <.006 | <.028 | <.02 | <.032 | ||
12471400 | 06-07-03 | 1320 | <.007 | <.009 | <.006 | <.028 | <.02 | <.032 | ||
12471400 | 07-02-03 | 1430 | .009 | E.005 | E.004 | <.028 | <.02 | <.032 | ||
12471400 | 10-07-03 | 1440 | .009 | E.004 | E.003 | E.003 | <.02 | <.032 | ||
12471400 | 02-04-04 | 1350 | .01 | <.009 | E.009 | <.028 | <.02 | <.032 | ||
12471400 | 04-07-04 | 1410 | .011 | E.004 | <.006 | <.028 | <.02 | <.032 | ||
12471400 | 06-09-04 | 1310 | .01 | E.003 | E.005 | <.028 | <.02 | <.032 | ||
12471400 | 07-08-04 | 1240 | .011 | E.004 | E.005 | <.028 | <.02 | <.032 | ||
12471400 | 10-06-04 | 1410 | .012 | <.008 | E.004 | <.028 | <.02 | <.032 | ||
Red Rock Coulee | ||||||||||
12472520 | 07-29-02 | 1450 | 0.018 | E0.011 | E0.011 | E0.008 | <0.02 | <0.032 | ||
12472520 | 09-23-02 | 1310 | .017 | E.006 | E.011 | E.005 | <.02 | <.032 | ||
12472520 | 02-04-03 | 1350 | .019 | .012 | E.015 | E.009 | <.02 | <.032 | ||
12472520 | 04-09-03 | 1150 | .021 | E.008 | E.015 | E.007 | <.02 | <.032 | ||
12472520 | 05-06-03 | 1310 | .032 | E.030 | E.008 | E.012 | <.02 | <.032 | ||
12472520 | 07-02-03 | 1020 | .019 | .012 | E.009 | E.006 | <.02 | <.032 | ||
12472520 | 02-04-04 | 0910 | .018 | E.006 | E.013 | <.028 | <.02 | <.032 | ||
12472520 | 04-07-04 | 0910 | .019 | .011 | E.011 | <.028 | <.02 | <.032 | ||
12472520 | 06-09-04 | 0810 | .023 | .011 | E.011 | <.028 | <.02 | <.032 | ||
12472520 | 07-08-04 | 0830 | .029 | .017 | E.010 | E.007 | <.02 | <.032 | ||
12472520 | 10-06-04 | 0930 | .018 | E.006 | E.009 | E.004 | <.02 | <.032 | ||
Sand Hollow | ||||||||||
12464606 | 07-29-02 | 1150 | 0.009 | E0.005 | E0.008 | <0.005 | <0.02 | <0.032 | ||
12464607 | 09-23-02 | 1100 | .013 | E.004 | E.013 | E.005 | <.02 | <.032 | ||
12464607 | 02-04-03 | 1050 | .029 | .021 | E.036 | E.021 | <.02 | <.032 | ||
12464607 | 04-07-03 | 1050 | .008 | <.009 | E.005 | E.004 | <.02 | <.032 | ||
12464607 | 05-06-03 | 1010 | <.007 | E.005 | <.006 | E.006 | <.02 | <.032 | ||
12464607 | 07-01-03 | 1020 | .014 | E.007 | E.012 | E.007 | <.02 | <.032 | ||
12464607 | 10-06-03 | 1010 | .01 | E.005 | E.005 | E.006 | <.02 | <.032 | ||
12464607 | 02-03-04 | 0920 | .026 | E.007 | E.029 | E.005 | <.02 | <.032 | ||
12464607 | 04-06-04 | 0920 | .013 | E.004 | E.009 | E.005 | <.02 | <.032 | ||
12464607 | 06-08-04 | 0840 | .011 | E.005 | E.008 | <.028 | <.02 | <.032 | ||
12464607 | 07-07-04 | 0930 | .01 | E.005 | E.008 | <.028 | <.02 | <.032 | ||
12464607 | 10-05-04 | 0930 | .015 | E.004 | E.009 | E.004 | <.02 | <.032 | ||
Total sample | 47 | 47 | 47 | |||||||
Total < | 2 | 3 | 46 | |||||||
Total hits | 41 | 29 | 0 | |||||||
Negligent hit/miss | 4 | 15 | 1 | |||||||
Significant hits/miss | 0 | 0 | 0 | |||||||
Median percentage difference of hits | 79 | 79 |
Sampling site | Date | Time | Carbaryl | Carbofuran | Linuron | Terbacil | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GC/MS | HPLC/MS | GC/MS | HPLC/MS | GC/MS | HPLC/MS | GC/MS | HPLC/MS | ||||||
P82680 | P49310 | P82674 | P49309 | P82666 | P38478 | P82665 | P04032 | ||||||
Crab Creek | |||||||||||||
12472600 | 07-30-02 | 1020 | E.005 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12472600 | 09-24-02 | 1100 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12472600 | 02-05-03 | 1120 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12472600 | 04-09-03 | 0930 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.061 | E.031 | |||
12472600 | 05-07-03 | 0940 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.033 | E.025 | |||
12472600 | 07-01-03 | 1400 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.026 | <.010 | |||
12472600 | 10-06-03 | 1350 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | E.006 | |||
12472600 | 02-03-04 | 1330 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12472600 | 04-06-04 | 1310 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.016 | <.010 | |||
12472600 | 06-08-04 | 1250 | <.041 | <.03 | <.020 | <.006 | E.013 | <.01 | E.021 | <.010 | |||
12472600 | 07-07-04 | 1320 | E.009 | <.03 | <.020 | <.006 | <.035 | <.01 | E.021 | <.010 | |||
12472600 | 10-05-04 | 1310 | <.041 | <.02 | <.020 | <.016 | <.035 | <.01 | <.034 | <.016 | |||
Lind Coulee | |||||||||||||
12471400 | 07-30-02 | 1345 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 09-24-02 | 1400 | <.041 | <.03 | <.020 | <.006 | E.006 | <.01 | <.034 | <.010 | |||
12471400 | 02-05-03 | 1440 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 04-09-03 | 1520 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 06-07-03 | 1320 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 07-02-03 | 1430 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 10-07-03 | 1440 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 02-04-04 | 1350 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 04-07-04 | 1410 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 06-09-04 | 1310 | <.041 | <.03 | <.020 | <.006 | E.013 | <.01 | <.034 | <.010 | |||
12471400 | 07-08-04 | 1240 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12471400 | 10-06-04 | 1410 | <.041 | <.02 | <.020 | <.016 | <.035 | <.01 | <.034 | <.016 | |||
Red Rock Coulee | |||||||||||||
12472520 | 07-29-02 | 1450 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | <.010 | |||
12472520 | 09-23-02 | 1310 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.014 | <.010 | |||
12472520 | 02-04-03 | 1350 | <.041 | <.03 | <.020 | <.006 | <.035 | E.01 | <.034 | E.005 | |||
12472520 | 04-09-03 | 1150 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.044 | E.020 | |||
12472520 | 05-06-03 | 1310 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.075 | E.090 | |||
12472520 | 07-02-03 | 1020 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.020 | E.010 | |||
12472520 | 02-04-04 | 0910 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | <.034 | E.006 | |||
12472520 | 04-07-04 | 0910 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.040 | <.027 | |||
12472520 | 06-09-04 | 0810 | <.041 | <.03 | <.020 | <.006 | E.014 | <.01 | E.050 | <.010 | |||
12472520 | 07-08-04 | 0830 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.011 | <.010 | |||
12472520 | 10-06-04 | 0930 | <.041 | <.02 | <.020 | <.016 | <.035 | <.01 | <.034 | <.016 | |||
Sand Hollow | |||||||||||||
12464606 | 07-29-02 | 1150 | E0.005 | <0.03 | <0.020 | <0.006 | <0.035 | <0.01 | E0.071 | E0.042 | |||
12464607 | 09-23-02 | 1100 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.106 | .051 | |||
12464607 | 02-04-03 | 1050 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.157 | E.085 | |||
12464607 | 04-07-03 | 1050 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E1.01 | E1.35 | |||
12464607 | 05-06-03 | 1010 | E.009 | E.01 | <.020 | <.006 | <.035 | <.01 | E.070 | E.069 | |||
12464607 | 07-01-03 | 1020 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.237 | E.176 | |||
12464607 | 10-06-03 | 1010 | <.041 | <.03 | <.020 | <.006 | <.035 | E.01 | E.047 | E.044 | |||
12464607 | 02-03-04 | 0920 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.259 | E.123 | |||
12464607 | 04-06-04 | 0920 | <.041 | <.03 | <.020 | <.006 | <.035 | <.01 | E.053 | <.019 | |||
12464607 | 06-08-04 | 0840 | E.070 | E.01 | <.020 | <.006 | E.007 | <.01 | E.088 | E.030 | |||
12464607 | 07-07-04 | 0930 | E.031 | E.01 | <.020 | <.006 | <.035 | <.01 | E.075 | <.032 | |||
12464607 | 10-05-04 | 0930 | <.041 | <.02 | <.020 | <.016 | <.035 | <.01 | E.051 | E.033 | |||
Total sample | 47 | 47 | 47 | 47 | |||||||||
Total < | 41 | 47 | 40 | 19 | |||||||||
Total hits | 3 | 0 | 0 | 15 | |||||||||
Negligent hit/miss | 3 | 0 | 7 | 5 | |||||||||
Significant hits/miss | 0 | 0 | 0 | 8 | |||||||||
Median percentage difference of hits | 56 | 39 |
[Type of pesticide: F, fungicide; H, herbicide; I, insecticide; S, stimulant. Registered use: Home and (or) commercial]
Pesticide target analyte | Trade or common name(s) |
Type of pesticide |
Registered use |
---|---|---|---|
2,4-D | Weedon-2,4,-DP | H | Both |
2,4-D methyl ester | none | H | Both |
2,4-DB | none | H | Commercial |
Acetochlor | Acenit, Sacenid | H | Commercial |
Acifluorfen | Blazer, Tackle | H | Home |
Alachlor | Lasso | H | Commercial |
Aldicarb | Temik | I | Commercial |
alpha-HCH | none | I | Neither |
Atrazine | Aatrexx, Atratol | H | Both |
Azinphos-methyl | Guthion | I | Commercial |
Bendiocarb | Ficam | I | Both |
Benfluralin | Balan, Benefin | H | Both |
Benomyl | Benlate | F | Both |
Bensulfuron-methyl | Londax | H | Neither |
Bentazon | Adagio, Galaxy, Storm | H | Both |
Bromacil | Hyvar, Uragon | H | Both |
Bromoxynil | Buctril, Bromanil, Torch | H | Commercial |
Butylate | Sutran +, Genate Plus | H | Commercial |
Caffeine | none | S | Neither |
Carbaryl | Sevin, Savit | I | Both |
Carbofuran | Furadan | I | Commercial |
Chloramben, methyl ester | Amiben | H | Neither |
Chlorimuron-ethyl | Classic | H | Neither |
Chlorothalonil | Bravo, Forturf | F | Both |
Chlorpyrifos | Lorsban | I | Both |
cis-Permethrin | Ambush, Pounce | I | Both |
Clopyralid | Stinger, Lontrel | H | Both |
Cyanazine | Bladex | H | Commercial |
Cycloate | Ro-Neet, Marathon | H | Commercial |
DCPA | Dacthal | H | Commercial |
Diazinon | several | I | Both |
Dicamba | Banvel, Marksman, Clarity | H | Both |
Dichlorprop | 2,4-DP, Weedon DP | H | Both |
Dieldrin | Panoram D-31 | I | Neither |
Dinoseb | DNBP, Caldon, Dynamite | H | Neither |
Diphenamid | Rideon, Dymid, Enide | H | Neither |
Disulfoton | Di-Syston | I | Both |
Diuron | DCMU, Direx, Aguron | H | Both |
EPTC | Eptam, Eradicane | H | Both |
Ethalfluralin | Sonalan, Curbit EC | H | Commercial |
Ethoprop | Mocap | I | Commercial |
Fenuron | Beet-Kleen | H | Neither |
Fipronil | Regent | I | Both |
Flumetsulam | DE498, XRD 498 | H | Commercial |
Fluometuron | Cotoran, Lanex, Cottonex | H | Neither |
Fonos | Dyfonate | I | Neither |
gamma-HCH | Lindane | I | Both |
Imazaquin | Skepter 1.5L, Image 1.5LC | H | Commercial |
Imazethapyr | Pursuit, Pursuit DG | H | Commercial |
Imidacloprid | Admire, Gaucho, Merit | I | Both |
Linuron | Lorox, Linex, Afalon | H | Commercial |
Malathion | several | I | Both |
MCPA | Metaxon, Border Master | H | Both |
MCPB | Troptox, Can-Trol | H | Commercial |
Metalaxyl | Apron, Subdue, Ridomil | F | Both |
Methiocarb | Draza, Mesurol | I | Commercial |
Methomyl | Lannate, Nudrin, Lanox | I | Both |
Methyl parathion | Penncap-M | I | Commercial |
Metolachlor | Dual, Pennant | H | Commercial |
Metribuzin | Lexone, Sencor | H | Commercial |
Metsulfuron methyl | Escort, Gropper, Ally | H | Commercial |
Molinate | Ordram | H | Neither |
Napropamide | Devrinol | H | Both |
Neburon | Granurex, Herbalt, Kloben | H | Neither |
Nicosulfuron | Accent, Accent DF | H | Commercial |
Norflurazon | Zorial, Evital, Solicam | H | Commercial |
Oryzalin | Ryzelan, Surflan, Dirimal | H | Both |
Oxamyl | Vydate: Thioxamyl | I | Commercial |
Parathion | several | I | Commercial |
Pebulate | Tillam | H | Commercial |
Pendimethalin | Prowl, Stomp | H | Both |
Phorate | Thimet, Rampart | I | Commercial |
Picloram | Tordon, Amdon, Grazon | H | Commercial |
Prometon | Pramitol | H | Both |
Propachlor | Ramrod | H | Commercial |
Propanil | Stampede | H | Neither |
Propargite | Comite, Omite | I | Commercial |
Propham | Chem-Hoe, IPC, Premalox | H | Neither |
Propiconazole | Tilt, Orbit, Wocosin | F | Both |
Propoxur | Baygon, PHC, Suncide | I | Both |
Propyzamide | Kerb | H | Neither |
Siduron | Tupersan, Trey | H | Both |
Simazine | Aquazine, Princep | H | Both |
Sulfometuron-methyl | Oust, DPX-T5648 | H | Commercial |
Tebuthiuron | Graslan, Spike, Perflan | H | Commercial |
Terbacil | Sinbar, DPX-D732, Geonter | H | Commercial |
Terbufos | Counter | I | Commercial |
Thiobencarb | Bolero | H | Neither |
Triallate | Far-Go | H | Commercial |
Tribenuron-methyl | Express, DPX-L5300 | H | Commercial |
Triclopyr | Garlon, Curtail, Redeem | H | Both |
Trifluralin | Treflan, Trilin | H | Both |
[Type of pesticide: H, herbicide; I, insecticide; T, transformation product]
Pesticide target analyte | Trade or common name(s) |
Type of pesticide |
---|---|---|
2,6-Diethylanaline | none | T |
3(4-Chlorophenyl)-1-methyl urea | none | T |
3-Hydroxycarbofuran | none | T |
3-Ketocarbofuran | none | T |
4,4’-DDE | none | T |
Acetochlor | Acenit, Sacenid | H |
Acifluorfen | Blazer, Tackle | H |
Aldicarb | Temik | I |
Aldicarb sulfone | none | T |
Aldicarb sulfoxide | none | T |
alpha-HCH | none | I |
Bendiocarb | Ficam | I |
Benfluralin | Balan, Benefin | H |
Bensulfuron-methyl | Londax | H |
Butylate | Sutran +, Genate Plus | H |
Carbofuran | Furadan | I |
Chloramben, methyl ester | Amiben | H |
Chlorimuron-ethyl | Classic | H |
cis-Permethrin | Ambush, Pounce | I |
Cyanazine | Bladex | H |
Cycloate | Ro-Neet, Marathon | H |
Desulfinylfipronil | none | T |
Desulfinylfipronil amide | none | T |
Dichlorprop | 2,4-DP, Weedon DP | H |
Dieldrin | Panoram D-31 | I |
Disulfoton | Di-Syston | I |
Fenuron | Beet-Kleen | H |
Fipronil | Regent | I |
Fipronil sulfide | none | T |
Fipronil sulfone | none | T |
Flumetsulam | DE498, XRD 498 | H |
Fluometuron | Cotoran, Lanex, Cottonex | H |
Fonos | Dyfonate | I |
gamma-HCH | Lindane | I |
Imazaquin | Skepter 1.5L, Image 1.5LC | H |
Imazethapyr | Pursuit, Pursuit DG | H |
Imidacloprid | Admire, Gaucho, Merit | I |
MCPB | Troptox, Can-Trol | H |
Methiocarb | Draza, Mesurol | I |
Methyl parathion | Penncap-M | I |
Metsulfuron methyl | Escort, Gropper, Ally | H |
Molinate | Ordram | H |
Napropamide | Devrinol | H |
Neburon | Granurex, Herbalt, Kloben | H |
Oryzalin | Ryzelan, Surflan, Dirimal | H |
Parathion | several | I |
Pebulate | Tillam | H |
Phorate | Thimet, Rampart | I |
Picloram | Tordon, Amdon, Grazon | H |
Propachlor | Ramrod | H |
Propanil | Stampede | H |
Propargite | Comite, Omite | I |
Propham | Chem-Hoe, IPC, Premalox | H |
Propoxur | Baygon, PHC, Suncide | I |
Propyzamide | Kerb | H |
Siduron | Tupersan, Trey | H |
Sulfometuron-methyl | Oust, DPX-T5648 | H |
Tebuthiuron | Spike | H |
Terbacil | Sinbar | H |
Terbufos | Counter | I |
Thiobencarb | Bolero | H |
For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page .