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Groundwater Investigation and Associated Source
Characterization Appendix F - Technical Memorandum on Soil Gas Surveys
Table 9.1 - Summary of Soil Gas Survey Data for Open Areas (all units in micrograms per liter)
Date | Location | Depth (ft BGL) | Benzene | Toluene | Ethyl benzene | Total xylenes | Total Hydrocarbons | cis- 1,2-DCE | TCE | PCE |
South Pasture | ||||||||||
14-Jul-95 | 80,50 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 | 0.98 |
14-Jul-95 | 110,50 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.66 |
14-Jul-95 | 80,70 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.17 |
14-Jul-95 | 90,50 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.26 |
14-Jul-95 | 110,60 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.89 |
14-Jul-95 | 90,70 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 | 0.36 |
14-Jul-95 | 110,40 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 3.1 |
14-Jul-95 | 110,40 Dup | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 3.1 |
14-Jul-95 | 100,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.11 |
14-Jul-95 | 110,30 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 | 1.1 |
14-Jul-95 | 100,10 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.06 |
14-Jul-95 | 90,10 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.19 |
14-Jul-95 | 100,20 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.38 |
14-Jul-95 | 100,20 Dup | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.37 |
17-Jul-95 | 80,10 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.05 |
17-Jul-95 | 70,10 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 1.1 |
17-Jul-95 | 10,10 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
17-Jul-95 | 50,10 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 2.0 |
17-Jul-95 | 50,10 Dup | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 2.0 |
17-Jul-95 | 0,10 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.07 |
17-Jul-95 | 20,10 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.08 |
17-Jul-95 | 30,80 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.12 |
17-Jul-95 | 30,10 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 1.2 |
17-Jul-95 | 40,70 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
17-Jul-95 | 40,40 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.18 |
17-Jul-95 | 40,30 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.40 |
17-Jul-95 | 40,10 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.34 |
17-Jul-95 | 80,40 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.36 |
17-Jul-95 | 40,60 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.45 |
17-Jul-95 | 40,60 Dup | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.46 |
Well 16 West | ||||||||||
15-Jul-95 | 20,0 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
15-Jul-95 | 45,0 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 | 0.15 |
15-Jul-95 | 45,5 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.18 |
15-Jul-95 | 40,5 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.11 |
15-Jul-95 | 10,5 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
15-Jul-95 | 30,5 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.11 |
15-Jul-95 | 30,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.13 |
15-Jul-95 | 60,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.14 |
15-Jul-95 | 60,0 Dup | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.14 |
17-Jul-95 | 15,5 | 8 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
Well 16 East | ||||||||||
15-Jul-95 | 0,5 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.09 |
15-Jul-95 | 5,5 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.08 |
15-Jul-95 | 10,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.85 |
15-Jul-95 | 20,5 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
15-Jul-95 | 10,0 Dup | 1.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.87 |
17-Jul-95 | 25,0 | 2 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
17-Jul-95 | 35,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
17-Jul-95 | 65,5 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.10 |
17-Jul-95 | 45,0 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.31 |
17-Jul-95 | 60,0 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
17-Jul-95 | 45,0 Dup | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.31 |
Gate 6 | ||||||||||
12-Jul-95 | 60,20 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.06 |
12-Jul-95 | 50,25 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
12-Jul-95 | 40,20 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
12-Jul-95 | 30,20 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
12-Jul-95 | 30,10 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.03 |
12-Jul-95 | 40,10 | 4 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.05 |
12-Jul-95 | 30,10 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.03 |
12-Jul-95 | 20,20 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
12-Jul-95 | 50,15 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 |
12-Jul-95 | 50,20 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
12-Jul-95 | 40,15 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
12-Jul-95 | 50,0 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.07 |
12-Jul-95 | 50,0 Dup | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.07 |
12-Jul-95 | 30,10 Dup | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
Salado Creek | ||||||||||
18-Jul-95 | 10,10 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
18-Jul-95 | 10,50 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
18-Jul-95 | 0,50 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
18-Jul-95 | 10,30 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
18-Jul-95 | 25,0 | 3 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.01 U |
18-Jul-95 | 0,15 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.04 |
18-Jul-95 | 0,10 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.02 |
18-Jul-95 | 20,10 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.08 |
18-Jul-95 | 20,20 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.15 |
18-Jul-95 | 0,0 | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.16 |
18-Jul-95 | 0,40 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.19 |
18-Jul-95 | 10,40 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.03 |
18-Jul-95 | 0,60 | 1.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.11 |
18-Jul-95 | -5,25 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.03 |
18-Jul-95 | 20,20 Dup | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.15 |
18-Jul-95 | 0,0 Dup | 6 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.16 |
Area between SWMU B-3 and B-4 | ||||||||||
19-Jul-95 | 1,3 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 1.7 |
19-Jul-95 | 3,5 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.13 |
19-Jul-95 | 1,3 Dup | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 1.8 |
19-Jul-95 | 1,5 | 2.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.21 |
19-Jul-95 | 1,4 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 0.22 |
19-Jul-95 | 1,2 | 3.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 3.7 |
19-Jul-95 | 1,1 | 5.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 6.1 |
19-Jul-95 | 1,6 | 4.5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.02 U | 2.1 |
19-Jul-95 | 2,5 | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.14 | 1.2 |
19-Jul-95 | 2,5 Dup | 5 | 0.2 U | 0.2 U | 0.3 U | 0.3 U | 0.2 U | 0.3 U | 0.14 | 1.2 |