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 Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 8
C.
Lessons Learned
1.
Lessons Learned about the Operation of the Equipment:
2.
Why was the Technology Successful?
Reduction in contaminants:
Initial (ppm)
Final (ppm)
TCE
0.51.81
0.0101.031
PCE
0.0850.184
0.0030.124
3.
Why was the Technology Unsuccessful?
VI.
CONTRACT TYPE AND COSTS
A.
Design of System
1.
Contract Type:
2.
Cost:
B.
Construction of System
1.
Contract Type:
2.
Cost:
C.
Operation of System
1.
Contract Type:
2.
Cost:
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