Scientific Investigations Report 2007–5144
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5144
Table 11. Concentrations of BTEX, oxygenate, and degradation products in water samples collected from Lakes Mead and Mohave, Las Vegas Wash, and the Colorado River, Nevada, 1999–2006.
[Concentrations are expressed in micrograms per liter, unless indicated otherwise. Abbreviations: <, less than; E, estimated concentration; M, result deleted due to highly variable analytical results; NA, not analyzed]
Site No. (fig. 1) | Date | Time | Sum of BTEX | Benzene | Ethyl-benzene | m-, p-Xylene | o-Xylene | Toluene | Diiso-propyl ether | Ethyl tert-butyl ether | Methyl tert-butyl ether | Methyl tert- pentyl ether | Methyl acetate | tert- Amyl alcohol | tert- Butyl alcohol | Acetone | Isobutyl alcohol-d6 surrogate percent recovery1 | 1,2-Dichloro-ethane-d4 surrogate percent recovery1 | 1-Bromo-4-fluoro-benzene surrogate percent recovery1 | Toluene-d8 surrogate percent recovery1 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lake Mohave Sites | ||||||||||||||||||||
1 | 19990602 | 1400 | 14.46 | 1.25 | 1.01 | 4.19 | 1.83 | 6.18 | <0.10 | <0.05 | 4.2 | E0.08 | NA | NA | NA | NA | NA | 102 | 81.4 | 96.6 |
20040525 | 1245 | 6.35 | 0.55 | 0.5 | 2.1 | 0.83 | 2.37 | <0.08 | <0.1 | 0.23 | <0.07 | <2.0 | <0.4 | <1 | 1 | 91.7 | 98 | 98.2 | 99.7 | |
20040602 | 1125 | 17.19 | 1.41 | 1.33 | 5.78 | 2.32 | 6.35 | <0.08 | <0.1 | 0.43 | <0.07 | <2.0 | <0.4 | <1 | E1 | 93.2 | 100 | 101 | 101 | |
20040624 | 1115 | 23.47 | 1.73 | 1.88 | 7.74 | 3.23 | 8.89 | <0.08 | <0.1 | 0.5 | <0.07 | <0.4 | <0.4 | <1 | 1 | 92.2 | 98 | 105 | 102 | |
20040624 | 1135 | 23.15 | 1.68 | 1.84 | 7.68 | 3.2 | 8.75 | <0.08 | <0.1 | 0.52 | <0.07 | <0.4 | <0.4 | <1 | E1 | 93.3 | 97.3 | 103 | 100 | |
20040707 | 1043 | 16.82 | 1.36 | 1.37 | 5.17 | 2.43 | 6.49 | <0.08 | <0.1 | 0.47 | <0.07 | <0.4 | <0.4 | <1 | 2 | 94.3 | 103 | 97.6 | 96.9 | |
20040907 | 1004 | 7.52 | 0.62 | 0.61 | 2.4 | 1.04 | 2.85 | <0.08 | <0.1 | 0.13 | <0.07 | <0.4 | <0.4 | <1 | 2 | 88.1 | 98 | 103 | 102 | |
20050617 | 0856 | 6.26 | 0.53 | 0.47 | 2.15 | 0.87 | 2.24 | <0.04 | <0.04 | E0.07 | <0.03 | <1.0 | <1.0 | <2 | M | 98.4 | 106 | 106 | 104 | |
20050919 | 1134 | 6.01 | 0.48 | 0.47 | 1.97 | 0.8 | 2.29 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 106 | 102 | 103 | 100 | |
20060322 | 0850 | 0.92 | 0.08 | 0.07 | 0.29 | 0.12 | 0.36 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 103 | 106 | 98.4 | 99 | |
20060518 | 0920 | 5.09 | 0.35 | 0.37 | 1.74 | 0.7 | 1.93 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 96.5 | 111 | 117 | 108 | |
20060601 | 0824 | 3.18 | 0.23 | 0.21 | 0.96 | 0.36 | 1.42 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 118 | 109 | 114 | 102 | |
20060616 | 0845 | 2.66 | 0.2 | 0.2 | 0.77 | 0.32 | 1.17 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 104 | 112 | 122 | 115 | |
20060712 | 0840 | 20.47 | 1.68 | 1.95 | 4.22 | 3.57 | 9.05 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 147 | 117 | 160 | 122 | |
20060824 | 0850 | 16.08 | 1.27 | 1.36 | 5.11 | 2.33 | 6.01 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 87.2 | 110 | 104 | 99.7 | |
20060905 | 0930 | 14.48 | 1.33 | 1.2 | 4.49 | 1.93 | 5.53 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 8 | 85.5 | 109 | 102 | 100 | |
2 | 19990602 | 1440 | 1.67 | 0.14 | 0.11 | 0.48 | 0.2 | 0.74 | <0.10 | <0.05 | 0.6 | <0.11 | NA | NA | NA | NA | NA | 109 | 93 | 101 |
20040525 | 1345 | 4.01 | 0.32 | 0.31 | 1.31 | 0.52 | 1.55 | <0.08 | <0.1 | 0.16 | <0.07 | <2.0 | <0.4 | <1 | 1 | 85.4 | 97.8 | 97 | 99.9 | |
20040602 | 1100 | 16.17 | 1.08 | 1.31 | 5.56 | 2.28 | 5.94 | <0.08 | <0.1 | 0.35 | <0.07 | <2.0 | <0.4 | <1 | E1 | 95.4 | 97.5 | 98.3 | 100 | |
20040624 | 1302 | 22.44 | 1.46 | 1.81 | 7.43 | 3.17 | 8.57 | <0.08 | <0.1 | 0.55 | <0.07 | <0.4 | <0.4 | <1 | 1 | 94.8 | 99.1 | 105 | 101 | |
20040707 | 1211 | 17.18 | 1.26 | 1.42 | 5.34 | 2.56 | 6.6 | <0.08 | <0.1 | 0.57 | <0.07 | <0.4 | <0.4 | <1 | 2 | 97.1 | 102 | 97.6 | 96.5 | |
20040907 | 1037 | 8.71 | 0.65 | 0.71 | 2.85 | 1.22 | 3.28 | <0.08 | <0.1 | 0.16 | <0.07 | <0.4 | <0.4 | <1 | 2 | 80.9 | 94.7 | 104 | 102 | |
20050617 | 0942 | 2.04 | 0.19 | 0.15 | 0.64 | 0.24 | 0.82 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E1 | 99.4 | 106 | 103 | 102 | |
20050919 | 1203 | 5.55 | 0.41 | 0.45 | 1.83 | 0.74 | 2.12 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 107 | 100 | 103 | 101 | |
20060322 | 0920 | 0.09 | E0.01 | <0.03 | E0.03 | E0.01 | E0.04 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 101 | 111 | 95.5 | 98.6 | |
20060518 | 1000 | 2.22 | 0.17 | 0.17 | 0.72 | 0.28 | 0.88 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 93.6 | 109 | 112 | 107 | |
20060601 | 0853 | 2.19 | 0.15 | 0.16 | 0.62 | 0.26 | 1 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 125 | 108 | 108 | 99.8 | |
20060616 | 1000 | 3.79 | 0.25 | 0.28 | 1.26 | 0.52 | 1.48 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 104 | 111 | 132 | 116 | |
20060712 | 0900 | 11.11 | 0.74 | 0.9 | 3.25 | 1.65 | 4.57 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 84.3 | 109 | 140 | 116 | |
20060824 | 0905 | 10.01 | 0.8 | 0.87 | 3.06 | 1.4 | 3.88 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 84 | 110 | 102 | 99.5 | |
20060905 | 0945 | 11.61 | 0.97 | 0.96 | 3.63 | 1.54 | 4.51 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 5 | 84.7 | 109 | 103 | 100 | |
3 | 20050617 | 1035 | 1.43 | 0.14 | 0.1 | 0.44 | 0.15 | 0.6 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 1 | 101 | 106 | 104 | 103 |
20050919 | 1246 | 1.05 | 0.13 | 0.07 | 0.27 | 0.1 | 0.48 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 97.5 | 100 | 95.5 | 100 | |
20060322 | 1030 | 0.01 | <0.01 | <0.03 | <0.07 | <0.04 | E0.01 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 102 | 108 | 95 | 99.5 | |
20060601 | 0924 | 0.33 | E0.04 | E0.03 | E0.08 | E0.03 | 0.15 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 122 | 106 | 86.6 | 101 | |
20060712 | 0930 | 3.55 | 0.27 | 0.28 | 1.1 | 0.44 | 1.46 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 82.6 | 107 | 128 | 114 | |
20060824 | 0940 | 4.54 | 0.38 | 0.37 | 1.4 | 0.62 | 1.77 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 82.1 | 110 | 102 | 100 | |
20060905 | 1015 | 3.01 | 0.29 | 0.24 | 0.89 | 0.34 | 1.25 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 86.8 | 110 | 102 | 100 | |
4 | 19990602 | 1050 | 2.08 | 0.16 | 0.14 | 0.66 | 0.26 | 0.86 | <0.10 | <0.05 | 0.4 | <0.11 | NA | NA | NA | NA | NA | 107 | 90.9 | 102 |
20050617 | 1128 | 0.28 | E0.04 | E0.02 | E0.06 | E0.02 | 0.14 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E1 | 93.5 | 104 | 100 | 104 | |
20050919 | 1338 | 0.48 | 0.07 | E0.03 | 0.11 | E0.04 | 0.23 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 108 | 103 | 103 | 100 | |
20060322 | 1130 | 0.02 | <0.01 | <0.03 | E0.01 | <0.04 | E0.01 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 95 | 101 | 95.8 | 98.8 | |
20060601 | 0954 | 0.61 | 0.08 | E0.05 | 0.15 | 0.06 | 0.27 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 127 | 109 | 96.5 | 103 | |
20060712 | 1020 | 0.56 | 0.07 | E0.05 | 0.15 | 0.05 | 0.24 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 144 | 111 | 96.5 | 107 | |
20060824 | 1030 | 0.61 | 0.07 | E0.06 | 0.15 | 0.07 | 0.26 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 155 | 96 | 108 | 111 | |
20060905 | 1045 | 0.44 | 0.06 | E0.03 | 0.1 | E0.03 | 0.22 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 86 | 110 | 100 | 99.1 | |
5 | 19990602 | 1020 | 2.96 | 0.24 | 0.19 | 0.91 | 0.4 | 1.22 | <0.10 | <0.05 | 0.8 | <0.11 | NA | NA | NA | NA | NA | 107 | 91 | 100 |
20050617 | 1642 | 1.93 | 0.22 | 0.13 | 0.57 | 0.22 | 0.79 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E1 | 103 | 106 | 104 | 102 | |
20050909 | 1330 | 1.36 | 0.19 | 0.07 | 0.27 | 0.08 | 0.75 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 99.2 | 101 | 99 | 102 | |
20060322 | 1250 | 0.16 | E0.02 | E0.01 | E0.05 | E0.02 | 0.06 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 99.7 | 104 | 96.4 | 98.1 | |
20060601 | 1040 | 1.73 | 0.2 | 0.12 | 0.46 | 0.2 | 0.75 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 121 | 108 | 106 | 103 | |
20060712 | 1100 | 3.54 | 0.34 | 0.28 | 1.07 | 0.38 | 1.47 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 86.6 | 109 | 146 | 118 | |
20060824 | 1115 | 1.22 | 0.13 | 0.11 | 0.3 | 0.14 | 0.54 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 156 | 103 | 108 | 109 | |
20060905 | 1115 | 2.65 | 0.27 | 0.21 | 0.79 | 0.3 | 1.08 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 87.3 | 108 | 100 | 99 | |
6 | 19990602 | 1000 | 3.15 | 0.25 | 0.21 | 1.11 | 0.5 | 1.08 | <0.10 | <0.05 | 0.7 | <0.11 | NA | NA | NA | NA | NA | 109 | 88.7 | 99.9 |
20050617 | 1204 | 0.95 | 0.09 | 0.07 | 0.25 | 0.09 | 0.45 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 100 | 107 | 100 | 103 | |
20050909 | 1253 | 0.66 | 0.12 | E0.02 | E0.08 | E0.01 | 0.43 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 109 | 104 | 106 | 101 | |
20060322 | 1210 | 0 | <0.01 | <0.03 | <0.07 | <0.04 | <0.01 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 98.6 | 103 | 96.5 | 99.7 | |
20060601 | 1015 | 0.33 | 0.06 | E0.02 | E0.08 | E0.03 | 0.14 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 124 | 107 | 88 | 100 | |
20060712 | 1035 | 1.16 | 0.12 | 0.1 | 0.3 | 0.12 | 0.52 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 83.1 | 108 | 109 | 113 | |
20060824 | 1055 | 1 | 0.1 | E0.10 | 0.26 | 0.12 | 0.42 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 149 | 97.8 | 112 | 110 | |
20060905 | 1100 | 1.4 | 0.15 | 0.1 | 0.39 | 0.14 | 0.62 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 86.5 | 111 | 101 | 99.9 | |
7 | 20050617 | 1535 | 0.24 | 0.07 | E0.01 | E0.05 | E0.02 | 0.09 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 1 | 111 | 105 | 99.5 | 103 |
20050909 | 1127 | 0.53 | 0.11 | E0.01 | E0.05 | E0.01 | 0.35 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 101 | 101 | 100 | 99.7 | |
20060321 | 950 | 0.05 | E0.01 | <0.03 | E0.02 | <0.04 | E0.02 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 97.7 | 107 | 94.4 | 99.6 | |
20060530 | 835 | 1.41 | 0.13 | 0.1 | 0.39 | 0.19 | 0.6 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 129 | 106 | 104 | 102 | |
20060712 | 1245 | 0.63 | 0.07 | E0.06 | 0.17 | 0.07 | 0.26 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 134 | 106 | 107 | 111 | |
20060821 | 1240 | 1.65 | 0.21 | 0.17 | 0.46 | 0.17 | 0.64 | <0.06 | <0.1 | <0.05 | <0.05 | E.4 | <1.0 | <2 | 5 | 107 | 111 | 127 | 123 | |
20060905 | 1315 | 0.88 | 0.12 | 0.06 | 0.21 | 0.07 | 0.42 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 6 | 90.4 | 112 | 102 | 99.4 | |
Lake Mead Sites | ||||||||||||||||||||
8 | 20040524 | 1240 | 4.3 | 0.35 | 0.33 | 1.44 | 0.57 | 1.61 | <0.08 | <0.1 | E0.09 | <0.07 | <2.0 | <0.4 | <1 | 2 | 83 | 98.2 | 97.4 | 101 |
20040524 | 1250 | 2.04 | 0.17 | 0.16 | 0.68 | 0.28 | 0.75 | <0.08 | <0.1 | E0.04 | <0.07 | <2 | <0.4 | <1 | 2 | 86.2 | 99.1 | 97.1 | 101 | |
20040601 | 1130 | 1.5 | 0.15 | 0.11 | 0.46 | 0.2 | 0.58 | <0.08 | <0.1 | <0.08 | <0.07 | <2.0 | <0.4 | <1 | 3 | 91.9 | 98.7 | 95.3 | 101 | |
20040623 | 1101 | 1.45 | 0.12 | 0.12 | 0.46 | 0.19 | 0.56 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 3 | 91 | 97.7 | 101 | 101 | |
20040623 | 1110 | 1.14 | 0.11 | 0.09 | 0.34 | 0.14 | 0.46 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 2 | 92.4 | 99.1 | 102 | 101 | |
20040706 | 1114 | 1.54 | 0.16 | 0.12 | 0.46 | 0.19 | 0.61 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 3 | 105 | 105 | 98.6 | 98.2 | |
20040908 | 900 | 1.03 | 0.13 | 0.06 | 0.21 | 0.07 | 0.56 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 3 | 96 | 98.4 | 99.1 | 101 | |
20050616 | 1244 | 0.9 | 0.1 | 0.07 | 0.27 | 0.11 | 0.35 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 104 | 105 | 103 | 104 | |
20050908 | 1111 | 1.6 | 0.18 | 0.09 | 0.36 | 0.13 | 0.84 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 82.3 | 104 | 101 | 101 | |
20060323 | 730 | 0.78 | 0.05 | 0.07 | 0.28 | 0.12 | 0.26 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 103 | 105 | 99 | 99.7 | |
20060531 | 1310 | 2.3 | 0.19 | 0.15 | 0.64 | 0.27 | 1.05 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E3 | 112 | 109 | 110 | 104 | |
20060707 | 815 | 1.39 | 0.14 | 0.13 | 0.29 | 0.15 | 0.68 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 101 | 116 | 105 | 111 | |
20060823 | 815 | 0.94 | 0.11 | E0.08 | 0.19 | 0.08 | 0.48 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 97.9 | 108 | 95.9 | 108 | |
20060907 | 905 | 0.86 | 0.1 | 0.05 | 0.23 | 0.07 | 0.41 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 84.4 | 111 | 96.3 | 98.4 | |
9 | 20050615 | 1020 | 0.37 | 0.05 | E0.03 | E.10 | E0.04 | 0.15 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 96.8 | 104 | 101 | 103 |
20050907 | 1317 | 0.38 | 0.06 | E0.02 | E0.07 | E0.02 | 0.21 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 79.4 | 103 | 103 | 101 | |
20060323 | 1250 | 0.21 | E0.03 | E0.02 | E0.06 | E0.02 | 0.08 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 100 | 110 | 95.4 | 98.6 | |
20060531 | 936 | 2.2 | 0.22 | 0.15 | 0.61 | 0.25 | 0.97 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E2 | 129 | 109 | 107 | 101 | |
20060711 | 1000 | 1.26 | 0.14 | 0.11 | 0.33 | 0.13 | 0.55 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 81.9 | 106 | 110 | 112 | |
20060822 | 1010 | 2.17 | 0.21 | 0.18 | 0.57 | 0.24 | 0.97 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 99.4 | 108 | 112 | 107 | |
20060906 | 1350 | 1.76 | 0.23 | 0.12 | 0.45 | 0.16 | 0.8 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 84.8 | 109 | 99.8 | 99 | |
10 | 20060516 | 840 | 0.57 | 0.07 | E0.04 | 0.14 | E0.05 | 0.27 | <0.06 | <0.06 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 95 | 109 | 99.8 | 107 |
20060613 | 930 | 0.46 | 0.07 | E0.03 | E.10 | E0.03 | 0.23 | <0.06 | <0.06 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 108 | 111 | 94.1 | 112 | |
11 | 19990601 | 1215 | 2.61 | 0.25 | 0.16 | 0.71 | 0.26 | 1.23 | <0.10 | <0.05 | 0.3 | <0.11 | NA | NA | NA | NA | NA | 108 | 91.7 | 99.2 |
20050616 | 1204 | 0.72 | 0.08 | 0.05 | 0.22 | 0.09 | 0.28 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 93.6 | 106 | 105 | 104 | |
20050908 | 1048 | 0.72 | 0.12 | E0.03 | E0.08 | E0.02 | 0.47 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 84.7 | 107 | 102 | 101 | |
20060323 | 750 | 0.21 | E0.02 | E0.02 | E0.06 | E0.03 | 0.08 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 103 | 108 | 94.2 | 98.1 | |
20060531 | 1332 | 1.26 | 0.12 | 0.09 | 0.33 | 0.14 | 0.58 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E3 | 114 | 106 | 98.8 | 103 | |
20060707 | 930 | 1.12 | 0.12 | 0.1 | 0.24 | 0.11 | 0.55 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 97 | 118 | 104 | 113 | |
20060823 | 945 | 0.79 | 0.09 | E0.07 | 0.18 | 0.07 | 0.38 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 94.7 | 105 | 92.8 | 106 | |
20060907 | 1440 | 0.79 | 0.09 | E0.05 | 0.2 | 0.07 | 0.38 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 78.3 | 113 | 102 | 99.5 | |
12 | 20050615 | 1127 | 0.07 | E0.01 | <0.03 | E0.02 | E0.01 | E0.03 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 2 | 104 | 104 | 102 | 104 |
20050907 | 1426 | 0.09 | E0.02 | <0.03 | E0.02 | <0.04 | 0.05 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 87.6 | 104 | 102 | 101 | |
20060323 | 1340 | 0 | <0.01 | <0.03 | <0.07 | <0.04 | <0.01 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 103 | 112 | 94.9 | 99.5 | |
20060531 | 1047 | 0.06 | E0.02 | <0.03 | <0.07 | <0.04 | E0.04 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E2 | 124 | 104 | 83.1 | 98.9 | |
20060711 | 1100 | 0.1 | E0.02 | <0.03 | E0.04 | <0.04 | E0.04 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 139 | 109 | 95.8 | 109 | |
20060822 | 1050 | 0.11 | E0.02 | <0.03 | E0.04 | <0.04 | E0.05 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 95.4 | 103 | 88.5 | 109 | |
20060906 | 1450 | 0.22 | E0.04 | E0.01 | E0.05 | E0.02 | 0.1 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 84.9 | 112 | 99.4 | 99.3 | |
13 | 20040524 | 1400 | 0.22 | E0.03 | E0.02 | E0.07 | E0.03 | 0.07 | <0.08 | <0.1 | <0.08 | <0.07 | <2.0 | <0.4 | <1 | 2 | 95.2 | 97.5 | 94.9 | 99.7 |
20040601 | 1340 | 0.04 | E0.02 | <0.03 | E0.01 | <0.04 | E0.01 | <0.08 | <0.1 | <0.08 | <0.07 | <2.0 | <0.4 | <1 | E1 | 94.5 | 97.9 | 95.1 | 99.5 | |
20040623 | 1400 | 0.12 | E0.04 | <0.03 | E0.03 | E0.01 | E0.04 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | E1 | 89.8 | 97.4 | 99.5 | 101 | |
20040706 | 1437 | 1.98 | 0.16 | 0.15 | 0.7 | 0.3 | 0.67 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 2 | 98 | 102 | 98.5 | 99.1 | |
20040908 | 1055 | 0.11 | E0.03 | <0.03 | E0.03 | E0.01 | E0.04 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | <1 | 97.5 | 99 | 99.6 | 101 | |
20050616 | 1106 | 0.05 | E0.02 | <0.03 | E0.01 | E0.01 | E0.01 | <0.04 | <0.04 | <0.04 | <0.03 | M | <1.0 | <2 | 2 | 110 | 105 | 97.9 | 103 | |
20050908 | 1015 | 0.58 | 0.06 | E0.04 | 0.18 | 0.07 | 0.23 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 86.6 | 107 | 103 | 101 | |
20060323 | 820 | 0.05 | E0.01 | <0.03 | E0.02 | <0.04 | E0.02 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 104 | 102 | 95.4 | 99 | |
20060516 | 1100 | 0.2 | E0.03 | E0.02 | E0.06 | E0.03 | 0.06 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 103 | 111 | 93.5 | 108 | |
20060531 | 1228 | 0.05 | E0.02 | <0.03 | <0.07 | <0.04 | E0.03 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 124 | 108 | 81.9 | 105 | |
20060613 | 820 | 0.33 | 0.06 | E0.03 | E.10 | E0.04 | 0.1 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 109 | 110 | 95.3 | 113 | |
20060706 | 1140 | 0.57 | 0.06 | E0.06 | 0.16 | 0.08 | 0.21 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 99.8 | 113 | 94.9 | 113 | |
20060823 | 925 | 0.34 | 0.06 | E0.03 | E0.09 | E0.04 | 0.12 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 99.6 | 105 | 88.1 | 106 | |
20060907 | 1415 | 0.31 | 0.07 | E0.02 | E0.08 | E0.03 | 0.11 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 80.3 | 113 | 99.3 | 98.5 | |
14 | 19990601 | 1045 | 6.88 | 0.69 | 0.47 | 1.97 | 0.76 | 2.99 | <0.10 | <0.05 | 0.8 | <0.11 | NA | NA | NA | NA | NA | 109 | 88.3 | 98.3 |
20040524 | 1125 | 3.32 | 0.36 | 0.24 | 1.02 | 0.41 | 1.29 | <0.08 | <0.1 | E0.05 | <0.07 | <2.0 | <0.4 | <1 | 3 | 89.3 | 97.7 | 96.2 | 99.9 | |
20040601 | 1255 | 10.81 | 1.06 | 0.7 | 3.88 | 1.59 | 3.58 | <0.08 | <0.1 | 0.2 | <0.07 | <2.0 | <0.4 | <1 | 3 | 93.2 | 99.1 | 98.6 | 101 | |
20040623 | 1215 | 3.92 | 0.4 | 0.26 | 1.39 | 0.56 | 1.31 | <0.08 | <0.1 | 0.18 | <0.07 | <0.4 | <0.4 | <1 | 3 | 90.9 | 97.5 | 102 | 98.5 | |
20040706 | 1310 | 5.55 | 0.53 | 0.43 | 1.72 | 0.72 | 2.15 | <0.08 | <0.1 | E0.06 | <0.07 | <0.4 | <0.4 | <1 | 3 | 96.5 | 103 | 97.5 | 98 | |
20040908 | 955 | 5.79 | 0.76 | 0.37 | 1.47 | 0.65 | 2.54 | <0.08 | <0.1 | E0.06 | <0.07 | <0.4 | <0.4 | <1 | 2 | 101 | 99.5 | 103 | 102 | |
20050616 | 1015 | 1.9 | 0.2 | 0.13 | 0.61 | 0.23 | 0.73 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 93.2 | 106 | 104 | 103 | |
20050908 | 936 | 2.68 | 0.46 | 0.14 | 0.47 | 0.15 | 1.46 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 89.3 | 106 | 102 | 102 | |
20060323 | 905 | 0.25 | E0.04 | E0.02 | E0.07 | E0.03 | 0.09 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 99.4 | 111 | 95 | 98 | |
20060531 | 1152 | 4.08 | 0.41 | 0.22 | 1.23 | 0.42 | 1.8 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E3 | 119 | 110 | 115 | 106 | |
20060706 | 1100 | 3.86 | 0.45 | 0.26 | 1 | 0.41 | 1.74 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 7 | 110 | 117 | 124 | 115 | |
20060823 | 850 | 2.73 | 0.31 | 0.18 | 0.64 | 0.24 | 1.36 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 101 | 107 | 108 | 110 | |
20060907 | 1345 | 3.9 | 0.47 | 0.27 | 1.13 | 0.4 | 1.63 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 87.1 | 112 | 102 | 100 | |
15 | 20050615 | 1445 | 0.28 | E0.04 | E0.02 | E0.07 | E0.03 | 0.12 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 101 | 105 | 102 | 104 |
20050907 | 1500 | 0.24 | E0.03 | E0.01 | E0.05 | E0.02 | 0.13 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E3 | 88.3 | 105 | 102 | 101 | |
20060323 | 1220 | 0.04 | E0.01 | <0.03 | E0.01 | <0.04 | E0.02 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 97.9 | 104 | 96.8 | 98.5 | |
20060531 | 1022 | .4 | E0.03 | E0.04 | 0.11 | 0.05 | 0.17 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E2 | 123 | 109 | 89.7 | 102 | |
20060711 | 1040 | 3.53 | .19 | 0.27 | 1.14 | 0.43 | 1.5 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 5 | 81.7 | 109 | 127 | 111 | |
20060822 | 1115 | .15 | E0.02 | E0.02 | E0.04 | <0.04 | 0.07 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 97.8 | 107 | 83.1 | 106 | |
20060906 | 1425 | .13 | E0.02 | E0.01 | E0.03 | E0.01 | 0.06 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 83.1 | 111 | 98.8 | 99 | |
16 | 20050616 | 913 | .36 | E0.05 | E0.03 | E0.09 | E0.04 | 0.15 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 4 | 110 | 106 | 102 | 104 |
20050908 | 852 | 1.12 | .22 | E0.04 | 0.15 | E0.03 | 0.68 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | 3 | 81.5 | 104 | 98.4 | 100 | |
20060323 | 950 | .04 | E0.01 | <0.03 | E0.01 | <0.04 | E0.02 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 96.8 | 104 | 96.8 | 100 | |
20060517 | 800 | .47 | .06 | E0.04 | 0.13 | 0.05 | 0.19 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 86.6 | 108 | 97.4 | 107 | |
20060531 | 1106 | .17 | E0.02 | E0.02 | E0.05 | E0.02 | 0.06 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E2 | 121 | 107 | 83.2 | 101 | |
20060614 | 1110 | .48 | .08 | E0.03 | E.10 | E0.03 | 0.24 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 3 | 106 | 113 | 94.3 | 113 | |
20060711 | 1130 | 1.49 | .14 | 0.13 | 0.41 | 0.15 | 0.66 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 5 | 81.1 | 107 | 110 | 112 | |
20060822 | 1140 | .48 | .07 | E0.05 | 0.11 | E0.05 | 0.2 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 98.9 | 105 | 90.5 | 107 | |
20060907 | 1000 | .61 | .09 | E0.04 | 0.14 | E0.04 | 0.3 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 81.2 | 113 | 101 | 99.2 | |
17 | 20050615 | 1348 | 1.27 | .13 | 0.08 | 0.44 | 0.17 | 0.45 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 100 | 106 | 105 | 104 |
20050907 | 1049 | 3.13 | .27 | 0.22 | 0.79 | 0.28 | 1.57 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E2 | 77.9 | 103 | 101 | 100 | |
20060323 | 1050 | .98 | .08 | 0.08 | 0.35 | 0.14 | 0.33 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 104 | 107 | 98.7 | 98.8 | |
20060531 | 840 | 5.64 | .3 | 0.35 | 1.91 | 0.73 | 2.35 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 130 | 110 | 117 | 104 | |
20060711 | 840 | 5.49 | .37 | 0.38 | 1.7 | 0.63 | 2.41 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 4 | 77.2 | 106 | 132 | 115 | |
20060822 | 912 | 6.56 | .48 | 0.46 | 2.05 | 0.78 | 2.79 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 99.9 | 110 | 128 | 110 | |
20060906 | 1300 | 5.67 | .49 | 0.42 | 1.76 | 0.64 | 2.36 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 86.8 | 110 | 101 | 99.6 | |
18 | 20050615 | 1255 | .52 | .06 | E0.04 | 0.15 | 0.07 | 0.2 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | E1 | 103 | 105 | 104 | 105 |
20050907 | 1143 | .08 | E0.02 | <0.03 | E0.02 | <0.04 | E0.04 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 74.7 | 105 | 99.4 | 101 | |
20060323 | 952 | .02 | E0.01 | <0.03 | <0.07 | <0.04 | E0.01 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 106 | 111 | 94.2 | 97.9 | |
20060517 | 1120 | .02 | E0.01 | <0.03 | <0.07 | <0.04 | E0.01 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 92.8 | 107 | 92.8 | 106 | |
20060606 | 930 | .69 | .08 | E0.05 | 0.22 | 0.1 | 0.24 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 2 | 91 | 109 | 99.4 | 110 | |
20060614 | 900 | .19 | E0.03 | E0.02 | E0.06 | E0.02 | 0.06 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | 1 | 106 | 110 | 91.7 | 111 | |
20060705 | 1100 | .39 | .07 | E0.03 | E0.08 | E0.03 | 0.18 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E2 | 97.1 | 117 | 88.7 | 109 | |
20060822 | 1230 | .29 | E0.04 | E0.04 | E0.08 | E0.04 | 0.09 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | E1 | 97.9 | 104 | 110 | 103 | |
20060906 | 1010 | .07 | E0.01 | <0.03 | E0.02 | E0.01 | E0.03 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 85.9 | 112 | 100 | 99.5 | |
Stream and River Sites | ||||||||||||||||||||
21 | 20050617 | 1420 | 0.18 | E0.03 | E0.01 | E0.04 | E0.02 | 0.08 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 99.8 | 107 | 100 | 102 |
20050909 | 946 | .13 | E0.02 | E0.01 | E0.04 | E0.01 | 0.05 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | <1 | 107 | 102 | 100 | 100 | |
20060320 | 1600 | .07 | E0.02 | <0.03 | E0.02 | <0.04 | E0.03 | <0.04 | <0.04 | <0.04 | <0.03 | <1.0 | <1.0 | <2 | M | 112 | 109 | 95 | 97.9 | |
20060530 | 1012 | .16 | E0.02 | E0.02 | E0.04 | E0.02 | 0.06 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 130 | 106 | 82 | 99.8 | |
20060713 | 900 | .1 | E0.02 | <0.03 | E0.04 | <0.04 | E0.04 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | <1 | 128 | 110 | 91.2 | 108 | |
20060821 | 1430 | .12 | E0.03 | <0.03 | E0.05 | <0.04 | E0.04 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | <1 | 102 | 108 | 96.4 | 104 | |
20060908 | 915 | .09 | E0.02 | <0.03 | E0.02 | E0.01 | E0.04 | <0.06 | <0.1 | <0.05 | <0.05 | <1.0 | <1.0 | <2 | M | 80.1 | 113 | 98 | 98.5 | |
22 | 20040526 | 1010 | .06 | <0.01 | <0.03 | <0.07 | <0.04 | 0.06 | <0.08 | <0.1 | <0.08 | <0.07 | <2.0 | <0.4 | <1 | 2 | 108 | 98.9 | 94.9 | 99.7 |
20040603 | 1230 | .05 | <0.01 | <0.03 | <0.07 | <0.04 | 0.05 | <0.08 | <0.1 | <0.08 | <0.07 | <2.0 | <0.4 | <1 | 2 | 104 | 98.5 | 93.2 | 100 | |
20040624 | 1715 | .06 | <0.01 | <0.03 | <0.07 | <0.04 | 0.06 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 2 | 91.4 | 98.1 | 100 | 103 | |
20040707 | 1450 | .05 | <0.01 | <0.03 | <0.07 | <0.04 | 0.05 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 2 | 96.6 | 104 | 98.1 | 99.5 | |
20040907 | 1425 | .02 | <0.01 | <0.03 | <0.07 | <0.04 | E0.02 | <0.08 | <0.1 | <0.08 | <0.07 | <0.4 | <0.4 | <1 | 2 | 96.6 | 99.1 | 102 | 103 |
1 Values represent amount of surrogate compound recovered from sample by analytical procedure. These compounds are added to the samples and are not present in the environment.