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 Concurrent Technologies Corporation
Remediation Survey
Ground Water Pump and Treat with an Air Stripper
Page 7
C.
Lessons Learned
1.
Lessons Learned about the Operation of the Equipment:
Recovery pumps required frequent maintenance.
GAC system fouling with biomass and iron (high iron concentration > 17 mg/L).
This site is unpaved; infiltrating precipitation affects contaminant mobilization.
2.
Why was the Technology Successful?
Data not available yet.
3.
Why was the Technology Unsuccessful?
System downtime due to fouling of oil/water separator and GAC units with inorganics and
biomass; Recovery pumps deteriorated; Iron precipitation problem; Lack of trained personnel.
VI.
CONTRACT TYPE AND COSTS
A.
Design of System
1.
Contract Type:
2.
Cost:
$365,720
B.
Construction of System
1.
Contract Type:
2.
Cost:
$593,060
C.
Operation of System
1.
Contract Type:
2.
Cost:
$129,440
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