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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:
Fine-coarse brown sand with no silt.
2.
Unified Soil Classification:
3.
Gradation/Sieve Analysis:
4.
Moisture Content:
5.
Air Permeability:
6.
Porosity:
7.
Depth to Water Table:
15.5-16 ft. (seasonal fluctuation of 3 ft.)
8.
Diffusivity:
B.
Saturated Zone
Aquifer 1
Aquifer 2
1.
Soil Type:
5-15% fine-medium gravel extending from 19-20 ft. below
grade; then less permeable brown/grey well-sorted, dense, fine sand
2.
Unified Soil Classification:
3.
Hydraulic Conductivity:
4.
Transmissivity:
5.
Hydraulic Gradient:
6.
Porosity:
7.
Aquifer Type:
8.
Capillary Fringe Height:
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill):
Gasoline spill
2.
Horizontal Extent of Site:
3.
Vertical Extent of Site:
15-25 ft. below grade
4.
Temperature Range at Site:
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