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 Concurrent Technologies Corporation
Remediation Survey
Ground Water Pump and Treat with an Air Stripper
Page 2
II.
SITE CHARACTERISTICS
A.
Vadose Zone
1.
Soil Type:
Alluvial deposits (glacial melt water deposits of clay, sand,
and
gravel) and fill material.
2.
Unified Soil Classification: SM-CL
3.
Moisture Content:
Approx. 12%
4.
Depth to Water Table:
4-20 ft (overburn thickness ranges from 6-22
ft)
B.
Saturated Zone
Aquifer 1
1.
Soil Type:
Fractured bedrock - Interbedded mudstone/slitstone
(Lockatong Fm.) and sandstone (Stockton Fm.).
2.
Unified Soil Classification: --
Estimated at 10-4 ft/sec from slug tests.
3.
Hydraulic Conductivity:
4.
Transmissivity: varies across wide range, depending on the fracture system pumped.
Based on constant-rate aquifer tests performed on 3 different monitoring wells at the site,
average transmissitivity values range from 2,678 gpd/ft - 8,194 gpd/ft.
5.
Depth to Water Table:
4-20 ft below grade
6.
Hydraulic Gradient:
0.009-0.027 ft/ft
7.
Aquifer Type:
Fractured bedrock, multi-layered aquifer comprised of layered
incomponent and competent beds. Ground water flow is mainly
along partings parallel to bedding planes, with some flow along
vertical fractures between conductive layers.
8.
Capillary Fringe Height:
--
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