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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:
Loose clayey sand silt mixture to 5-8 ft.; then stiff, rhythmic bedded clayey
silt/silty clay to 20-25 ft.
2.
Unified Soil Classification: SM/SC; ML/CL
3.
Gradation/Sieve Analysis:
4.
Moisture Content:
5.
Air Permeability:
6.
Porosity:
7.
Depth to Water Table:
36-38 ft.
8.
Diffusivity:
B.
Saturated Zone
Aquifer 1
Aquifer 2
1.
Soil Type:
Dense to very dense, fine to coarse, arkosic sand (40-45 ft.)
2.
Unified Soil Classification:
3.
Hydraulic Conductivity:
4.
Transmissivity:
5.
Hydraulic Gradient:
.01 ft/ft
6.
Porosity:
7.
Aquifer Type:
8.
Capillary Fringe Height:
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill):
UST diesel and gasoline leaks
2.
Horizontal Extent of Site: 400 ft x 300 ft.
3.
Vertical Extent of Site:
38 ft.
10-100 oF
4.
Temperature Range at Site:
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