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Groundwater Investigation and Associated Source Characterization
Table 7.4-5 - Comparison of Initial Soil Gas Chemistry to Soil Gas Chemistry after 95 Hours of Air Extraction
| Sample Location | Oxygen (%) | Carbon Dioxide (%) | TVH (ppm) | |||
| Initial | 95 hour | Initial | 95 hour | Initial | 95 hour | |
| MPA-5 | 7.0 | 20.0 | 14.0 | 1.4 | 395 | 571 |
| MPA-10 | 3.5 | 6.0 | 13.0 | 18.0 | >2500 | 523 |
| MPA-15 | 6.0 | 8.0 | 13.0 | 9.0 | >2500 | >2500 |
| MPB-5 | 17.5 | 20.0 | 2.5 | 3.0 | 890 | 539 |
| MPB-9 | 18.0 | 17.0 | 2.5 | 8.0 | 1100 | 1554 |
| MPB-13 | 18.0 | 17.0 | 2.5 | 2.2 | >2500 | >2500 |
| MPC-5 | 17.0 | 19.0 | 8.0 | 7.5 | 260 | 189 |
| MPC-9.5 | 18.0 | 17.0 | 7.5 | 2.9 | 320 | 240 |
| MPC-14 | 1.5 | 1.0 | 15.0 | 15.0 | >2500 | >2500 |
| MPD-4.5 | 16.5 | 20.0 | 4.5 | 2.4 | 760 | 270 |
| MPD-10 | 15.0 | 18.0 | 5.0 | 3.0 | 1631 | 380 |
| MPD-15 | 1.0 | 10.0 | 15.0 | 9.0 | >2500 | >2500 |
| VEW-02 | 12.0 | 15.0 | 8.0 | 7.0 | >2500 | >2500 |
| VEW-03 | 4.0 | 20.8 | 17.0 | 2.6 | 520 | 207 |
| VEW-04 | 6.0 | 4.0 | 17.5 | 14.0 | 822 | 544 |
| VEW-05 | 5.0 | 19.0 | 18.0 | 1.7 | 1196 | 257 |