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Sacramento River Basin NAWQA Program

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Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Quality Control
Blank Data: Ground Water

Volatile organic chemicals in unfiltered water

Number of significant figures do not reflect analytical method
reporting levels.

Method reporting levels of all analytes

[µg/L - micrograms per liter, < - less than, E - Estimate]

USGS Site Number State Well Number Date Time Type of Blank 1,1,1,2-Tetrachloroethane (µg/L) 1,1,1-Trichloroethane (µg/L) 1,1,2,2-Tetrachloroethane (µg/L) 1,1,2-Trichloroethane (µg/L) 1,1,2-Trichloro-1,2,2-trifluoroethane (µg/L) 1,1-Dichloroethane (µg/L) 1,1-Dichloroethene (µg/L) 1,1-Dichloropropene (µg/L) 1,2,3,4-Tetramethylbenzene (µg/L) 1,2,3,5-Tetramethylbenzene (µg/L) 1,2,3-Trichlorobenzene (µg/L) 1,2,3-Trichloropropane (µg/L) 1,2,3-Trimethylbenzene (µg/L) 1,2,4-Trichlorobenzene (µg/L) 1,2,4-Trimethylbenzene (µg/L) 1,2-Dibromo-3-chloropropane (µg/L) 1,2-Dibromoethane (µg/L) 1,2-Dichlorobenzene (µg/L) 1,2-Dichloroethane (µg/L) 1,2-Dichloropropane (µg/L) 1,3,5-Trimethylbenzene (µg/L) 1,3-Dichlorobenzene (µg/L) 1,3-Dichloropropane (µg/L) 1,4-Dichlorobenzene (µg/L) 2,2-Dichloropropane (µg/L) 2-Butanone (µg/L) 2-Chlorotoluene (µg/L) 2-Hexanone (µg/L) 3-Chloro-1-propene (µg/L) 4-Chlorotoluene (µg/L) p-Isopropyltoluene (µg/L) 4-Methyl-2-pentanone (µg/L) Acetone (µg/L) 2-Propenenitrile (µg/L) Benzene (µg/L) Bromobenzene (µg/L) Bromochloromethane (µg/L) Bromodichloromethane (µg/L) Tribromomethane (µg/L) Bromomethane (µg/L) n-Butylbenzene (µg/L) Carbon disulfide (µg/L) Chlorobenzene (µg/L) Chloroethane (µg/L) Trichloromethane (µg/L) Chloromethane (µg/L) Chlorodibromomethane (µg/L) Dibromomethane (µg/L) Dichlorodifluoromethane (µg/L) Dichloromethane (µg/L) Diethyl ether (µg/L) Diisopropyl ether (µg/L) Ethyl methacrylate (µg/L) Ethyl tert-butyl ether (µg/L) Ethylbenzene (µg/L) Hexachlorobutadiene (µg/L) Hexachloroethane (µg/L) ) Isopropylbenzene (µg/L) Methyl acrylate (µg/L) Methyl acrylonitrile (µg/L) Iodomethane (µg/L) Methyl methacrylate (µg/L) Naphthalene (µg/L) n-Propylbenzene (µg/L) Styrene (µg/L) Tetrachloroethene (µg/L) Tetrachloromethane (µg/L) Tetrahydrofuran (µg/L) Methylbenzene (µg/L) Trichloroethene (µg/L) Trichlorofluoromethane (µg/L) Bromoethene (µg/L) Chloroethene (µg/L) cis-1,2-Dichloroethene (µg/L) cis-1,3-Dichloropropene (µg/L) 1,4-Dimethylbenzene (µg/L) 2-Ethyltoluene (µg/L) 1,2-Dimethylbenzene (µg/L) sec-Butylbenzene (µg/L) Methyl tert-butyl ether (µg/L) tert-Butylbenzene (µg/L) tert-Amyl methyl ether (µg/L) trans-1,2-Dichloroethene (µg/L) trans-1,3-Dichloropropene (µg/L) trans-1,4-Dichloro-2-butene (µg/L)
88888818   5/6/96 1535 Equipment Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 <5.00 <2.00 <.050 <.050 <.100 E.020 <.200 <.100 <.050 <.050 <.050 <.100 E.030 <.200 <.100 <.100 <.200 <.100 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 <5.00 <.050 <.050 <.100 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
88888818   5/6/96 1635 Ambient Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 <5.00 <2.00 <.050 <.050 <.100 E.020 <.200 <.100 <.050 <.050 <.050 <.100 E.040 <.200 <.100 <.100 <.200 <.100 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 <5.00 <.050 <.050 <.100 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
381923121255001 6N/5E-33Q2M 5/23/96 1055 Field Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 E.020 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 <5.00 <2.00 <.050 <.050 <.100 <.100 <.200 <.100 <.050 <.050 <.050 <.100 E.040 <.200 <.100 <.100 <.200 <.100 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 <5.00 <.050 <.050 <.100 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
390954121394302 15N/3E-8F2M 6/13/96 1045 Field Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 <5.00 <2.00 <.050 <.050 <.100 <.100 <.200 <.100 <.050 <.050 <.050 <.100 E.050 <.200 <.100 <.100 <.200 <.100 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 <5.00 <.050 <.050 <.100 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
385550121352201 13N/3E-36L4M 8/8/96 1115 Field Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 E.020 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 <5.00 <2.00 <.050 <.050 <.100 E.010 <.200 <.100 <.050 <.050 <.050 <.100 E.050 E.020 <.100 <.100 <.200 <.100 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 E.300 <.050 <.050 <.100 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
385550121352201 13N/3E-36L4M 8/8/96 1118 Trip Blank <.050 <.050 <.100 <.100 <.050 <.050 <.100 <.050 <.050 <.050 <.200 <.200 <.050 <.200 <.050 <.500 <.100 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <.050 <5.00 <.050 <5.00 <.100 <.050 <.050 <5.00 E5.60 <2.00 <.050 <.050 <.100 <.100 <.200 <.100 <.050 <.050 <.050 <.100 <.050 <.200 <.100 <.100 <.200 1 <.100 <.100 <1.00 <.100 <.050 <.200 <.050 <.050 <2.00 <2.00 <.050 <1.00 <.200 <.050 <.050 <.050 <.050 <5.00 13.5 <.050 E.010 <.100 <.100 <.050 <.100 <.050 <.050 <.050 <.050 <.100 <.050 <.100 <.050 <.100 <5.00
88888818   6/5/98 1135 Equipment Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.070 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 <.050 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 E4.53 <1.23 <.032 <.036 <.044 <.048 <.104 <.148 <.186 <.080 <.028 <.120 0.334 <.254 <.182 <.050 <.096 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <.612 <.570 <.076 <.350 <.250 <.042 <.042 <.038 <.088 <1.15 <.038 <.038 <.092 <.100 <.112 <.038 <.092 <.064 <.100 <.064 <.048 <.112 <.096 <.112 <.032 <.134 <.692
382911121312301 7N/4E-3K2M 6/22/98 1135 Field Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.070 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 <.050 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 <4.90 <1.23 <.032 <.036 <.044 <.048 <.104 <.148 <.186 E.022 <.028 <.120 E.064 <.254 <.182 <.050 <.096 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <.612 <.570 <.076 <.350 <.250 <.042 <.042 <.038 <.088 <1.15 <.038 <.038 <.092 <.100 <.112 <.038 <.092 <.064 <.100 <.064 <.048 <.112 <.096 <.112 <.032 <.134 <.692
382800121270701 7N/5E-17B1M 7/22/98 1045 Field Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.162 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 <.050 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 E3.30 <1.23 <.100 <.036 <.044 <.048 <.104 <.148 <.186 <.370 <.028 <.120 <.052 <.254 <.182 <.050 <.138 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <1.36 <.570 <.208 <.350 <.250 <.042 <.042 <.102 <.088 <8.79 <.054 <.038 <.092 <.100 <.112 <.038 <.092 <.064 <.100 <.064 <.048 <.166 <.096 <.112 <.032 <.134 <.692
383727121301801 9N/4E-23A1M 8/6/98 0935 Field Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.162 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 <.050 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 <4.90 <1.23 <.100 <.036 <.044 <.048 <.104 <.148 <.186 <.370 <.028 <.120 E.006 E.009 <.182 <.050 <.138 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <1.36 <.570 <.208 <.350 <.250 <.042 <.042 <.102 <.088 <8.79 <.054 <.038 <.092 <.100 <.112 <.038 <.092 <.064 <.100 <.064 <.048 <.166 <.096 <.112 <.032 <.134 <.692
384318121230001 10N/5E-13F1M 8/19/98 1000 Trip Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.162 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 E.048 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 <4.90 <1.23 <.100 <.036 <.044 <.048 <.104 <.148 <.186 <.370 <.028 <.120 <.052 <.254 <.182 <.050 <.138 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <1.36 <.570 <.208 <.350 <.250 <.042 E.009 <.102 <.088 <8.79 0.247 <.038 <.092 <.100 <.112 <.038 <.092 E.016 <.100 <.064 <.048 <.166 <.096 <.112 <.032 <.134 <.692
384318121230001 10N/5E-13F1M 8/19/98 1015 Field Blank <.044 <.032 <.132 <.064 <.032 <.066 <.044 <.026 <.230 <.240 <.266 <.162 <.124 <.188 <.056 <.214 <.036 <.048 <.134 <.068 <.044 <.054 <.116 <.050 <.078 <1.65 <.042 <.746 <.196 <.056 <.110 <.374 <4.90 <1.23 <.100 <.036 <.044 <.048 <.104 <.148 <.186 <.370 <.028 <.120 <.052 <.254 <.182 <.050 <.138 <.382 <.170 <.098 <.278 <.054 <.030 <.142 <.362 <.032 <1.36 <.570 <.208 <.350 <.250 <.042 <.042 <.102 <.088 <8.79 <.054 <.038 <.092 <.100 <.112 <.038 <.092 <.064 <.100 <.064 <.048 <.166 <.096 <.112 <.032 <.134 <.692

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