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 Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 2
II.
SITE CHARACTERISTICS
A.
Vadose Zone
1.
Soil Type:
Upper 15 ft. - clay & silty clays
15 ft - 17 ft - stiff clay with silt
2.
Unified Soil Classification:
3.
Gradation/Sieve Analysis:
4.
Moisture Content:
5.
Air Permeability:
6.
Porosity:
7.
Depth to Water Table:
10.5 feet ("seasonably high" water table)
8.
Diffusivity:
B.
Saturated Zone
Aquifer 1
1.
Soil Type:
16 - 18 ft clayey silts
2.
Unified Soil Classification:
10-5 - 10-4 cm/sec
3.
Hydraulic Conductivity:
4.
Transmissivity:
5.
Hydraulic Gradient:
0.04 feet/feet
6.
Porosity:
7.
Aquifer Type:
8.
Capillary Fringe Height:
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill):
UST leak
2.
Horizontal Extent of Site:
3.
Vertical Extent of Site:
4.
Temperature Range at Site:
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