Scientific Investigations Report 2006–5236
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5236
Table 7. Concentrations of selected volatile organic compounds in perched ground water from well USGS 92, Radioactive Waste Management Complex, Idaho National Laboratory, Idaho, 1996–2001.
[Analyses completed by the National Water Quality Laboratory using an analytical method that conforms to U.S. Environmental Protection Agency method 524.2. Analytical results in micrograms per liter. Names in parentheses are alternate compound names. Abbreviations: NWIS, National Water Information System; E, estimated. Symbol: <, less than respective reporting level]
Date | Compound name | |||||||
---|---|---|---|---|---|---|---|---|
Carbon tetrachloride (Tetrachloro- methane) |
1,2-Dichloro- ethane |
Chloroform(Trichloro- methane) |
Methylene chloride (Dichloro- methane) |
Tetrachloro- ethylene (Tetrachloro- ethene) |
1,1,-dichloro- ethane |
1,1-Dichloro- ethylene (1,1-Dichloro- ethene) |
1,1,-Trichloro- ethane |
|
NWIS Parameter Code | ||||||||
32102 | 32103 | 32106 | 34423 | 34475 | 34496 | 34501 | 34506 | |
02-29-1996 | 1,800 | 1.8 | 920 | <0.2 | 180 | 15 | 2.2 | 170 |
04-08-1997 | 990 | 1.2 | 633 | .2 | 110 | 8.8 | 1.4 | 97.9 |
03-31-1998 | 260 | 1 | 540 | 5.3 | 50 | 7.7 | 1 | 55 |
03-30-1999 | 13.6 | .5 | 285 | 3.5 | 22.9 | 4.5 | .41 | 28.7 |
04-17-2000 | 291 | .7 | 325 | E2.4 | 43 | 6 | E1.1 | 47.2 |
04-17-2001 | 377 | 1 | 602 | 22.4 | 125 | 8.5 | .93 | 109 |
Date | Compound name | |||||||
---|---|---|---|---|---|---|---|---|
1,1,2-Trichloro- ethane |
1,2-Dichloro- propane |
Trichloro- ethylene (Trichloro- ethene) |
Cis-1,2-dichloro- ethene |
Freon-113 (CFC-113) (1,1,2-Trichloro- 1,2,2-Trifluoro- ethane) |
Toluene | Benzene | Chloro ethane |
|
NWIS Parameter Code | ||||||||
34511 | 34541 | 39180 | 77093 | 77652 | 34010 | 34030 | 34311 | |
02-29-1996 | 0.6 | 6.7 | 1,400 | 0.8 | 3.6 | <0.2 | <0.2 | <0.2 |
04-08-1997 | .3 | 4 | 786 | .4 | 2.4 | .3 | <.4 | <.4 |
03-31-1998 | <.7 | 3.2 | 360 | .3 | 1.3 | <.2 | <.2 | <.2 |
03-30-1999 | <.4 | 1.9 | 179 | .3 | .8 | <.4 | 2.1 | <.4 |
04-17-2000 | .2 | 2.7 | 280 | .4 | 1.3 | <.2 | .9 | <.2 |
04-17-2001 | .3 | 3.2 | 798 | .7 | 1 | <.2 | .3 | .2 |