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Groundwater Investigation and Associated Source Characterization
Table 8.2-3 - Groundwater HVO Analytical Results for 1995 and 1996
Well ID | Sample Date | Bromo-dichloro- methane* (ug/L) | Chloroform* (ug/L) | Dibromo-chloro- methane * (ug/L) | 1,1-Dichloro- ethene (ug/L) | cis-1,2-Dichloro- ethene (ug/L) | trans-1,2-Dichloro- ethene (ug/L) | Dichloro- methane (methylene chloride) (ug/L) | Tetrachloro- ethene (ug/L) | Trichloro- ethene (ug/L) |
| MCL: | 100 | 100 | 100 | 7 | 70 | 100 | 5 | 5 | 5 |
1 | 3/30/95 | <0.6 | <0.6 | <0.6 | <1.0 | <0.8 | <0.8 | <0.8 | <1.0 | <0.4 |
6/13/95 | <3 | 7 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
8/28/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/11/95 | <3 | 10 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/28/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2 | 4/6/95 | <0.6 | <0.6 | <0.6 | <1 | <0.8 | <0.8 | <0.8 | <1 | <0.4 |
6/13/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
8/30/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/12/95 | <3 (<3) | <3 (<3) | <3 (<3) | <5 (<5) | <4 (<4) | <4 (<4) | <4 (<4) | <5 (<5) | <2 (<2) | |
2/29/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
3 | 4/6/95 | <0.6 | <0.6 | <0.6 | <1 | <0.8 | <0.8 | <0.8 | <1 | <0.4 |
6/13/95 | <3 (<3) | <3 (<3) | <3 (<3) | <5 (<5) | <4 (<4) | <4 (<4) | <4 (<4) | <5 (<5) | <2 (<2) | |
8/30/95 | <3 (<3) | <3 (<3) | <3 (<3) | <5 (<5) | <4 (<4) | <4 (<4) | <4 (<4) | <5 (<5) | <2 (<2) | |
12/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/27/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
4 | 4/6/95 | <0.6 | <0.6 | <0.6 | <1.0 | <0.8 | <0.8 | <0.8 | 2.1 | 0.9 |
6/13/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
8/30/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/13/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
9 | 3/30/95 | <0.6 | <0.6 | <0.6 | <1.0 | <0.8 | <0.8 | <0.8 | <1.0 | <0.4 |
6/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <3 | |
8/29/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/12/95 | <3 | 8 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/28/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
10 | 3/30/95 | <0.6 | <0.6 | <0.6 | <1.0 | <0.8 | <0.8 | <0.8 | <1 | <0.4 |
6/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <3 | |
8/29/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/28/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
11 | 3/30/95 | <0.6 | <0.6 | <0.6 | <1.0 | <0.8 | <0.8 | <0.8 | <1 | <0.4 |
6/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
8/29/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/15/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/29/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
16 | 4/6/95 | <0.6 | <0.6 | <0.6 | <1.0 | 270 | <0.8 | <0.8 | 170 | 170 |
4/7/95 | <0.6 (<0.6) | <0.6 (<0.6) | <0.6 (<0.6) | <1.0 (<1.0) | 280(290) | <0.8 (<0.8) | <0.8 (<0.8) | 170(160) | 170(170) | |
6/14/95 | <3 | <3 | <3 | <5 | 38 | <4 | <4 | 39 | 45 | |
8/30/95 | <3 | <3 | <3 | <5 | 72 | <4 | <4 | 78 | 83 | |
12/13/95 | <3 | <3 | <3 | <5 | 63 | <4 | <4 | 64 | 77 | |
2/29/96 | <3 | <3 | <3 | <5 | 152 | <4 | <4 | 158 | 175 | |
Reservoir | 3/1/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 |
D | 4/6/95 | <0.6 | <0.6 | <0.6 | <1 | 240 | <0.8 | <0.8 | 110 | 130 |
6/14/95 | <3 | <3 | <3 | <5 | 120 | <4 | <4 | 64 | 99 | |
8/30/95 | <3 | <3 | <3 | <5 | 86 | <4 | <4 | 80 | 88 | |
12/12/95 | <3 | <3 | <3 | <5 | 130 | <4 | <4 | 110 | 150 | |
2/29/96 | <3 | <3 | <3 | <5 | 81 | <4 | <4 | 72 | 98 | |
G | 4/7/95 | <0.6 | <0.6 | <0.6 | <1 | <0.8 | <0.8 | <0.8 | <1 | <0.4 |
6/14/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
8/29/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
2/28/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
H | 12/12/95 | <3 | <3 | <3 | <3 | <4 | <4 | <4 | <5 | <2 |
2/28/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
I | 4/7/95 | <0.6 (<0.6) | <0.6 (<0.6) | <0.6 (<0.6) | <1 (<1) | <0.8 (<0.8) | <0.8 (<0.8) | <0.8 (<0.8) | <1 (<1) | <0.4 (<0.4) |
6/14/95 | <3 (<3) | <3 (<3) | <3 (<3) | <5 (<5) | <4 (<4) | <4 (<4) | <4 (<4) | <5 (<5) | <2 (<2) | |
8/29/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
12/12/95 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
3/1/96 | <3 | <3 | <3 | <5 | <4 | <4 | <4 | <5 | <2 | |
Notes: Analytes detected above laboratory detection limits are shown in bold font. All well water samples were collected through well pump or via bailer. Duplicate sample results are shown in parentheses next to well sample results. January data represents re-test data. < = minimum detection limit ug/L = micrograms per liter * CHlorination byproducts in water supply well referenced in SDWA drinking water regulations as THMs, or trihalomethanes). MCL for total concentration of THMs is 100 ug/L. |