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 Concurrent Technologies Corporation
Remediation Survey
Ground Water Pump and Treat with an Air Stripper
Page 2
II.
SITE CHARACTERISTICS
Clay Layer
Sand Layer
A.
Vadose Zone
1.
Soil Type:
2.
Unified Soil Classification:
3.
Moisture Content:
2.5-26%
4.
Depth to Water Table:
B.
Saturated Zone
Aquifer 1
1.
Soil Type:
2.
Unified Soil Classification:
3.
Hydraulic Conductivity:
0.11-0.0012 cm/sec
4.
Transmissivity:
11,787-32,518 (Jacob Method)
5.
Depth to Water Table:
6.
Hydraulic Gradient:
0.027 ft/ft
7.
Aquifer Type:
8.
Capillary Fringe Height:
9.
Groundwater velocity:
3.7 ft/day
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill): UST & wastewater from vehicle washing.
2.
Horizontal Extent of Site:
3.
Vertical Extent of Site:
45.1 oF average
4.
Temperature Range at Site:
5.
Contaminant Names and Concentrations in Ground Water (ppm): Benzene, Toluene,
Ethylbenzene, and Xylenes (BTEX)
6.
Annual precipitation:
3.28 inch/month rainfall; 9.51 inch/month snowfall
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