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 Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 6
3.
Design Tools:
4.
Remediation Hardware:
5.
Capital Cost:
6.
Operating and Maintenance Cost:
D.
Vacuum System
1.
Design Goals:
20-80 cfm
2.
Design Parameters
a.
Operating Vacuum:
10 in water
b.
Operating Depths/Vacuums:
0.5 psi
c.
Operating Mode (e.g., continuous, modulating, stepwise):
6 months
d.
Other:
3.
Design Tools:
4.
Remediation Hardware:
5.
Capital Cost:
$6K
6.
Operating and Maintenance Cost:
E.
Offgas System
1.
Design Goals
a.
Contaminant Discharge Limit:
< 1 lb/hr TCE
b.
Type: Calgon GAC
2.
Design Parameters
a.
Flow Through Rate:
80-100 cfm; 50 cfm per two parrallel
canisters
b.
Residence Time:
c.
Other:
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