USGS: Science for a Changing World - USGS visual identifier and link to main USGS web site at http://www.usgs.gov/
 
Herbicide Data for Intensive-Fixed Sites, 1993, part 1
[UG/L - micrograms per liter, < - Actual value is known to be less than value shown, E - Estimated value, -- - No value.]
2,4-DB, 2,4,5-T, 2,4,5-TP (Silvex), Acifluorfen, Bentazon,
Bromacil, Bromoxynil, Chloramben, Clopyralid, Dacthal mono-acid,
Dicamba, Dinoseb, Fenuron, Fluometuron, MCPB, Neburon, Oryzalin, 
Picloram, Propham were analyzed for, but not detected.
USGS Identifier
Date
Time
2,4-D, Dissolved
(UG/L)
(39732)
2,6-Diethyl
aniline
Wat Flt
0.7 U GF,
Rec
(UG/L)
(82660)
Alachlor, Water,
Diss, Rec,
(UG/L)
(46342)
Atrazine, Water,
Diss, Rec
(UG/L)
(39632)
Benfluralin
Wat Fld 0.7 U GF, Rec
(UG/L)
(82673)
Butylate, Water,
Diss, Rec
(UG/L)
(04028)
Cyanazine, Water,
Diss, Rec
(UG/L)
(04041)
DCPA
Water Fltrd 0.7
U GF, Rec
(UG/L)
(82682)
11261100
19930120
1310
--
<.003
<.002
.020
<.002
<.002
.290
.025
11261100
19930129
0945
--
<.003
<.002
.022
<.002
<.002
.540
.014
11261100
19930204
1000
--
<.003
<.002
.029
<.002
<.002
1.30
.008
11261100
19930211
0945
--
<.003
.020
.028
<.002
<.002
.430
.045
11261100
19930226
0915
--
<.003
<.002
.004
<.002
<.002
<.004
.006
11261100
19930305
1100
--
<.003
<.002
.021
<.002
<.002
.110
.010
11261100
19930312
1000
--
<.003
<.008
.027
<.002
<.003
.082
.012
11261100
19930318
0945
.63
<.003
<.002
.019
<.002
<.002
.046
.012
11261100
19930326
1000
<.04
<.003
<.002
.021
<.002
<.002
.170
.012
11261100
19930401
0845
--
<.003
<.002
.018
<.002
<.002
.170
.010
11261100
19930406
0945
<.04
<.003
<.002
.019
<.002
<.002
.180
<.002
11261100
19930414
1015
<.04
<.003
<.002
.015
<.002
<.002
.032
<.002
11261100
19930420
1000
<.04
<.009
<.002
.010
<.002
<.012
.036
<.002
11261100
19930427
0915
<.04
<.003
.008
.013
<.002
<.002
.010
.003
11261100
19930504
1010
<.04
<.003
<.002
.016
<.002
<.002
.014
.004
11261100
19930521
1030
<.04
<.003
.030
.018
<.002
<.002
.014
.005
11261100
19930601
0945
<.04
.003
<.002
<.001
<.002
.003
.035
<.002
11261100
19930614
0945
<.04
<.003
.022
.017
<.002
.005
.042
.006
11261100
19930629
0945
<.04
<.003
<.002
.036
<.002
<.002
.067
.004
11261100
19930715
0940
<.04
<.003
<.002
.020
<.002
<.002
.250
.003
11261100
19930803
1020
<.04
<.003
<.002
.021
<.002
<.002
.210
<.002
11261100
19930825
1105
<.04
<.003
<.002
.008
<.002
<.002
.130
<.002
11261100
19930907
1045
<.04
<.003
<.002
.003
<.002
<.002
.005
.002
11261100
19930929
0945
.11
<.003
<.002
.006
<.002
<.002
.007
.002
11261100
19931027
0850
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11261100
19931117
0810
1.20
<.003
<.002
<.001
<.002
<.002
.040
<.002
11273500
19930122
1115
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11273500
19930126
1300
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11273500
19930129
1100
--
<.003
<.002
<.001
<.002
<.002
<.008
.006
11273500
19930201
1100
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11273500
19930204
1015
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11273500
19930208
1100
--
<.003
<.002
<.001
<.002
<.002
<.008
.007
11273500
19930208
1300
--
<.003
<.002
<.001
<.002
<.002
<.008
.009
11273500
19930208
1345
--
<.003
<.002
<.001
<.002
<.002
<.008
.008
11273500
19930209
1100
--
<.003
<.002
<.001
<.002
<.002
<.008
.006
11273500
19930211
1100
--
<.003
<.002
<.001
<.002
<.002
<.008
.011
11273500
19930216
1400
--
<.003
<.002
<.001
<.002
<.002
<.004
.005
11273500
19930223
1010
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930225
1200
--
<.003
<.002
.007
<.002
<.002
<.004
.006
11273500
19930302
1130
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930305
1200
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930309
1100
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930312
1115
--
<.003
<.008
<.001
<.002
<.003
<.008
<.002
11273500
19930315
1025
--
<.004
<.002
<.001
<.002
<.004
<.009
<.002
11273500
19930318
1100
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930322
1040
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930326
1145
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930329
1245
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.006
11273500
19930401
0945
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930406
1100
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930414
1130
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930420
1130
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930427
1145
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930504
1130
<.04
<.003
.003
<.001
<.002
<.002
<.004
.002
11273500
19930521
1215
<.04
<.003
<.002
.003
<.002
.003
<.004
.003
11273500
19930601
1115
<.04
.004
<.002
<.001
<.002
.010
<.004
<.002
11273500
19930614
1130
<.04
.007
<.002
<.001
<.002
<.002
<.004
.003
11273500
19930629
1130
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.002
11273500
19930715
1145
<.04
<.003
<.002
<.001
<.002
.004
<.004
.002
11273500
19930803
1245
<.04
<.003
<.002
<.001
<.002
.010
<.004
<.002
11273500
19930825
1515
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19930907
1250
<.04
<.003
<.002
<.001
<.002
<.002
<.004
E.001
11273500
19930929
1110
E.01
<.003
<.002
.002
<.002
<.002
<.004
E.001
11273500
19931027
1105
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19931117
1010
E.03
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11273500
19931227
1300
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19930108
1330
--
<.003
<.002
<.001
<.002
<.002
<.004
.095
11274538
19930113
1030
--
<.003
<.002
<.001
<.002
<.002
<.004
.200
11274538
19930120
1040
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11274538
19930122
1010
--
<.003
<.002
<.001
<.002
<.002
<.008
<.002
11274538
19930126
1045
--
<.003
<.002
<.001
<.002
<.002
<.008
.007
11274538
19930129
0950
--
<.003
<.002
<.001
<.002
<.002
<.008
.008
11274538
19930208
1000
--
<.003
.006
.004
<.002
<.002
<.004
.120
11274538
19930208
1200
--
<.003
.013
.005
<.002
<.002
<.004
.051
11274538
19930208
1445
--
<.003
.007
.007
.007
<.002
<.004
.220
11274538
19930208
1700
--
<.003
<.002
.004
<.002
<.002
<.004
.110
11274538
19930208
1900
--
<.003
<.002
<.001
<.002
<.002
<.004
.031
11274538
19930209
1315
--
<.003
<.002
.004
<.002
<.002
<.004
.018
11274538
19930216
1045
--
<.003
<.002
<.001
<.002
<.002
<.004
.004
11274538
19930218
1430
--
<.009
<.014
<.001
<.002
<.012
<.004
.015
11274538
19930218
1815
--
<.009
<.002
<.001
<.002
<.012
<.019
.012
11274538
19930218
2315
--
<.003
<.002
<.001
<.002
<.002
<.004
.021
11274538
19930219
0430
--
<.003
<.002
<.001
<.002
<.002
<.004
.006
11274538
19930219
0630
--
<.010
<.015
<.001
<.002
<.013
<.022
.011
11274538
19930219
1100
--
<.015
<.022
<.001
<.002
<.019
<.031
.008
11274538
19930220
1200
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19930223
1210
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19930226
1130
--
<.003
<.002
.026
<.002
<.002
1.00
.013
11274538
19930302
1410
--
<.010
<.015
<.001
<.002
<.013
<.021
<.002
11274538
19930305
1040
--
<.003
<.002
<.001
<.002
<.002
<.004
.010
11274538
19930309
1200
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19930312
1030
--
<.003
<.008
<.001
<.002
<.003
<.008
.021
11274538
19930315
1245
--
<.003
<.008
.018
<.002
<.003
.056
.022
11274538
19930318
1045
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.017
11274538
19930322
1220
<.04
<.003
<.002
.011
<.002
<.002
.020
.014
11274538
19930326
1345
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.015
11274538
19930329
1545
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.009
11274538
19930401
0950
--
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19930406
1400
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.006
11274538
19930414
1100
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.037
11274538
19930420
1115
.10
<.003
<.002
.008
<.002
<.002
<.004
.007
11274538
19930427
1130
<.04
<.003
.026
.007
<.002
<.002
.009
.006
11274538
19930504
1130
<.04
E.001
.004
.014
<.002
<.002
<.004
.021
11274538
19930521
1130
<.04
<.003
.005
.012
<.002
<.002
<.004
.006
11274538
19930601
1110
<.04
.003
.310
<.001
<.002
<.002
<.004
<.002
11274538
19930614
1220
<.04
.005
.007
.019
<.002
.007
<.004
.006
11274538
19930629
1220
<.04
<.003
.022
.040
<.002
<.002
.006
.004
11274538
19930715
1300
<.04
E.002
.006
.036
<.002
<.002
<.004
.083
11274538
19930803
1400
.26
<.003
<.002
.012
<.002
<.002
.025
<.002
11274538
19930825
1115
<.04
<.003
.081
<.001
<.002
<.002
<.004
.013
11274538
19930907
1405
<.04
<.003
<.002
.130
<.002
<.002
.009
.008
11274538
19930929
0900
.16
<.003
<.002
.006
<.002
<.002
<.004
.002
11274538
19931027
1330
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11274538
19931117
1150
.11
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11303500
19930106
1330
--
<.003
<.002
.006
<.002
<.002
.018
.020
11303500
19930113
1500
--
<.003
<.002
<.001
<.002
<.002
.029
.029
11303500
19930122
1300
--
<.003
<.002
<.001
<.002
<.002
.062
.022
11303500
19930129
1445
--
<.003
<.002
<.001
<.002
<.002
.120
.020
11303500
19930204
1315
--
<.003
<.002
<.001
<.002
<.002
.075
.014
11303500
19930211
1430
--
<.003
<.002
.008
<.002
<.002
.016
.028
11303500
19930226
1630
--
<.003
<.002
.009
<.002
<.002
.023
.009
11303500
19930305
1500
--
<.003
<.002
.011
<.002
<.002
.054
.011
11303500
19930312
1400
--
<.003
<.002
.014
<.002
<.003
.034
.010
11303500
19930318
1345
<.04
<.003
<.002
<.001
<.002
<.002
<.004
.100
11303500
19930326
1530
<.04
--
--
--
--
--
--
--
11303500
19930401
1445
--
<.003
<.002
<.001
<.002
<.002
.065
.010
11303500
19930406
1645
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11303500
19930414
1530
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11303500
19930420
1515
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11303500
19930427
1545
<.04
<.003
<.002
.004
<.002
<.002
<.004
.003
11303500
19930504
1545
<.04
<.003
.005
.004
<.002
<.002
<.004
.004
11303500
19930521
1530
<.04
<.003
.034
.005
<.002
<.002
<.004
.004
11303500
19930601
1430
<.04
.003
.005
<.001
<.002
.005
.013
<.002
11303500
19930614
1430
E.10
.006
.004
.010
<.002
.009
.010
.003
11303500
19930629
1445
<.04
<.003
.020
.012
<.002
<.002
.030
.003
11303500
19930715
1445
<.04
<.003
<.002
.015
<.002
<.002
.020
.002
11303500
19930804
1015
<.04
<.003
<.002
<.001
<.002
.006
.037
<.002
11303500
19930825
1900
<.04
<.003
<.002
<.001
<.002
<.002
.021
<.002
11303500
19930907
1600
<.04
E.001
.005
.006
<.002
<.002
.009
.008
11303500
19930929
1350
E.02
<.003
<.002
.004
<.002
<.002
<.004
.002
11303500
19931027
1525
<.04
<.003
<.002
<.001
<.002
<.002
<.004
<.002
11303500
19931117
1340
<.04
<.003
<.002
<.001
<.002
.002
<.004
<.002
11303500
19931227
1515
<.04
<.003
<.002
<.001
<.002
<.002
.038
.003