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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:
Medium to coarse sand
2.
Unified Soil Classification:
3.
Gradation/Sieve Analysis:
4.
Moisture Content:
10-30%
5.
Air Permeability:
6.
Porosity:
7.
Depth to Water Table:
8-12 ft.
8.
Diffusivity:
B.
Saturated Zone
Aquifer 1
Aquifer 2
1.
Soil Type:
Fine to very fine sand and silt
2.
Unified Soil Classification:
3.
Hydraulic Conductivity:
5-20 ft/day
4.
Transmissivity:
5.
Hydraulic Gradient:
0.002 ft/ft
6.
Porosity:
7.
Aquifer Type:
Sand
8.
Capillary Fringe Height:
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill):
Degreasing operations
2.
Horizontal Extent of Site: 1,000 x 15,000 ft.
3.
Vertical Extent of Site:
approx. 40ft.
approx. 45oF
4.
Temperature Range at Site:
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