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 Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 3
5.
Contaminant Names and Concentrations in Ground Water (ppm):
TCE
0.51.81 ppm
PCE
0.0850.184 ppm
6.
Contaminant Names and Concentrations in the Vadose Zone (ppm):
III.
PILOT OR BENCH SCALE TESTS
A.
Pilot Test
1.
Goals:
Helium tracer test to find the recovery rate between wells
2.
Wells
a.
Purpose (e.g., injection, extraction, or monitoring):
monitoring
b.
Pipe Type:
c.
Pipe Diameter:
d.
Depth:
e.
Screen Interval:
f.
Screen Type:
g.
Number and Spacing:
3.
Air Sparge Pumping Rate:
4.
Test Vacuum and Duration:
Vacuum (psi)
Duration (hrs)
[20 wk total test duration for all pilot studies.]
[Another study discovered that injecting hot air does not change the contaminant removal rate.]
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