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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:
silt & clay
2.
Unified Soil Classification:
3.
Gradation/Sieve Analysis:
4.
Moisture Content:
5.
Air Permeability:
6.
Porosity:
7.
Depth to Water Table:
4-6 feet during winter & spring
as low as 10 feet during summer
8.
Diffusivity:
B.
Saturated Zone
Aquifer 1
1.
Soil Type:
silt & trace sand
2.
Unified Soil Classification:
1 x 10-4 cm/sec
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): drum leaks in storage area
Horizontal Extent of Site: 2,400 ft2 GW
2.
1,500 ft2 soil
3.
Vertical Extent of Site:





 


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