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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):
Gasoline BTEX
TPH (nondetect -9 mg/L)
Benzene (nondetect - 4,400 g/L)
6.
Contaminant Names and Concentrations in the Vadose Zone (ppm):
TPH (10-5,000 mg/kg)
Benzene ( 14-41,000 g/kg)
III.
PILOT OR BENCH SCALE TESTS
A.
Pilot Test
1.
Goals:
2.
Wells
a.
Purpose (e.g., injection, extraction, or 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:
Duration (hrs)
Vacuum (psi)
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