Concurrent Technologies Corporation
Remediation Survey
Air Sparging with Soil Vapor Extraction
Page 7
3.
Regulatory Provisions
a.
Permitting:
None required
b.
Monitoring:
Twice/month with PID
4.
Design Tools:
5.
Remediation Hardware:
6.
Capital Cost:
~4 K
7.
Operating and Maintenance Cost:
~68 K/yr
V.
TECHNOLOGY PERFORMANCE
A.
Remediation Technology Choice
1.
Other Remediation Technologies Considered for this Site:
Ground water pump & treat
Excavation and off-site disposal
Bioremediation.
2.
Why was Air Sparging with SVE Chosen over Other Technologies?
Capability of removing VOC from subsurface
Minimize disruption of site
Low well yields on site.
Remediation Technologies used at this Site in addition to Air Sparging with SVE: N/A
3.
B.
Operation of Air Sparging with SVE
1.
Duration:
SVE:
Nov. 1993 Present
2.
Other:
SVE/AAS:
July 1995 Present