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Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 7
a.
Permitting:
b.
Monitoring:
4.
Design Tools:
5.
Remediation Hardware:
6.
Capital Cost:
7.
Operating and Maintenance Cost:
V.
TECHNOLOGY PERFORMANCE
A.
Remediation Technology Choice
1.
Other Remediation Technologies Considered for this Site:
Groundwater pump and treat used from 1985-1989. However, contaminants also
existed below the water table level.
2.
Why was Air Sparging with SVE Chosen over Other Technologies?
Limited success of groundwater pump and treat at this site (inadequate to meet
closure criteria).
Can treat contaminants below the waste table; time restraints; cost/benefit analysis.
Remediation Technologies used at this Site in addition to Air Sparging with SVE:
3.
Ground water pump and treat
B.
Operation of Air Sparging with SVE
1.
Duration:
2 months (May 21-July 14, 1990)
2.
Other:
Maintained a volume injection/extraction ratio of 5:1.
C.
Lessons Learned





 


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