APPENDIXB
Project Costs
AIR SPARGING
TECHNOLOGY-SPECIFIC UNIT COST CALCULATION
ACTUAL CAPITAL COSTS (Year 0):
Monitoring, Sampling, Testing, and Analysis1
,172
Physical Treatment2
,857
Disposal (Other than Commercial)3
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,150
,179
SUBTOTAL
ACTUAL O&M COSTS (Years 1-5):
Physical Treatment2
1,428
PROJECTED O&M COSTS (Years 6-15):
Physical Treatment2
2,856
PROJECTED PERIODIC COSTS (Years 10, 15):
Demobilize AS System2
,125
Well Abandonment2
,800
,925
TOTAL
4,388
TOTAL TECHNOLOGY-SPECIFIC COST
Groundwater to be Treated (MGA)4
37,400
TECHNOLOGY-SPECIFIC UNIT COST (Per 1,000 Gal)
.83
1
AS monitoring wells (3), DOS wells (3), geotechnical testing
2
AS system only
3
Disposal of AS wells soil cuttings and development water
4
Within treatment zone - includes flushed volume (MGA = 1,000 gallons)
B-5
Ft. Griffey Landfill 5 OU Interim RA Report
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