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Groundwater Investigation and Associated Source Characterization
Table 5.3-1 - Summary of Soil Gas Survey Results
| Site | Number of Reconnaissance Samples | Number of Follow-Up Samples | Compounds Detected | Highest Concentration (ug/L) |
| SWMU B-2 | 28 | -- | PCE | PCE 0.32 |
| SWMU B-3 | 25 | 82 | PCE, TCE, DCE | PCE 300 |
| SWMU B-4 & B-4A | 24 | 5 | PCE | PCE 3.8 |
| SWMU B-28 | 16 | -- | PCE | PCE 0.70 |
| Gate 6 | 12 | -- | PCE | PCE 0.07 |
| South Pasture | 26 | 94 | PCE, TCE | PCE 3.1 |
| Well 16 | 21 | -- | PCE | PCE 0.37 |
| Well 16 East | 9 | -- | PCE | PCE 0.87 |
| Well 16 West | 9 | -- | PCE | PCE 0.18 |
| Southeast Well 16 | 29 | 10 | PCE, TCE, DCE | PCE 28 |
| Oxidation Pond | 13 | 60 | PCE, TCE | PCE 60,000 |
| Salado Creek | 14 | 19 | PCE | PCE 0.19 |
| Area between B-3 and B-4 | 8 | 28 | PCE, CT, CH | PCE 6.1 |
| Total samples: | 234 | 298 |
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| Notes: PCE = tetrachloroethene | ||||