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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:
Fine sand, silts, shell beds
2.
Unified Soil Classification:
3.
Moisture Content:
23.8-36.2%
4.
Depth to Water Table:
approx. 7 ft
B.
Saturated Zone (Note: 3 aquifer systems are present - water table, upper artesian, and principle
artesian)
1.
Soil Type:
2.
Unified Soil Classification:
3.
Hydraulic Conductivity:
0.00099-0.002 ft/day
0.99-2.2 ft2/day
4.
Transmissivity:
5.
Depth to Water Table:
4-6 ft. water table; 400 ft. upper artesian; 700 ft. principle
artesian
6.
Hydraulic Gradient:
7.
Aquifer Type:
8.
Capillary Fringe Height:
20-24oC
9.
Temperature:
10.
pH:
6.4-7.2
C.
Contaminants Present
1.
Source of Contamination (e.g., gasoline spill):
UST with JP-4
2.
Horizontal Extent of Site: 1,000 ft x 2,000 ft
3.
Vertical Extent of Site:
In water table only
4.
Temperature Range at Site:
5.
Contaminant Names and Concentrations in Ground Water (ppm):
Up to 3 ppb BTEX; total petroleum hydrocarbons - 25-4,100 ppb
Free product floating on groundwater exceeded 1 foot thickness.
III.
PILOT OR BENCH SCALE TESTS
A.
Pump Test
1.
Type (e.g., step test, continuous discharge):
2.
Test Duration:
3.
Pump Test Rate:





 


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