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Scientific Investigations Report 2008–5089

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5089

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Table 15. Concentrations of selected volatile organic compounds in perched ground water from well USGS 92, Radioactive Waste Management Complex, Idaho National Laboratory, Idaho, 2002–05.

[Location of well is shown in figure 21. Analyses completed by the National Water Quality Laboratory using an analytical method that conforms to U.S. Environmental Protection Agency Method 524.2 (1995). Analytical results in micrograms per liter. Names in parentheses are alternate compound names. Abbreviations: NS, not sampled due to lack of water; NWIS, National Water Information System. Symbol: <, less than respective reporting level]

Compound name NWIS
parameter
code		 Date
03-14-2002 04-11-2002 10-23-2002 04-10-2003 10-09-2003 04-12-2004 04-14-2005
Carbon tetrachloride (Tetrachloromethane) 32102 NS 150 NS 279 NS NS NS
1,2-Dichloroethane 32103 NS <2 NS 0.8 NS NS NS
Chloroform (Trichloromethane) 32106 NS 236 NS 256 NS NS NS
Methylene chloride Dichloromethane) 34423 NS 4.7 NS <.2 NS NS NS
Tetrachloroethylene (Tetrachloroethene) 34475 NS 29.7 NS 39.5 NS NS NS
1,1-dichloroethane 34496 NS 3.3 NS 4.2 NS NS NS
1,1-dichloroethylene (1,1,-dichloroethene) 34501 NS <2 NS 0.7 NS NS NS
1,1,1-trichloroethane 34506 NS 22.4 NS 29.9 NS NS NS
1,1,2-trichloroethane 34511 NS <2 NS 0.3 NS NS NS
1,2-dichloropropane 34541 NS 1.9 NS 2.8 NS NS NS
Trichloroethylene (Trichloroethene) 39180 NS 198 NS 232 NS NS NS
cis-1,2-dichloroethene 77093 NS <2 NS 0.2 NS NS NS
Freon-113 (CFC-113) (1,1,2-Trichloro-1,2,2-Trifluoroethane) 77652 NS <2 NS 1.1 NS NS NS
Toluene 34010 NS <2 NS <.2 NS NS NS
Benzene 34030 NS <2 NS 0.1 NS NS NS
Bromodichloromethane 32101 NS <2 NS 0.4 NS NS NS

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