Quantcast Table B-1. Air Sparging with Soil Vapor Extraction Site Characteristics -Cont.

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Site Name
Site Location
Soil Type
Depth to Water
Size of Site
Clean-up Level
Table
Present
Achieved
Fill, coarse sand,
13 ft
PCE; TCE; DCE;
98% reduction in total
natural clay barrier
TPH
VOCs after 124 days.
Lakehurst, NJ
Sandy with organic
6 ft
TPH - 5-9,000 ppm
matter
at depths of 2-5 ft.
17,
Area C
Washington
Coarse sand and
40 ft
300 ft diameter
TCE: 0.034-0.150
gravel
ppm
DCE: 0.012 ppm
VC: 0.0048 ppm
Kinross, Michigan
Permeable sands
Pilot test only
Medium to coarse
8-12 ft
1,000 ft x 15,000 ft;
TCE
sand; Fine to very
40 ft BG
fine sand and silt
Pawtucket, RI
Fine-coarse brown
15.5-16 ft
15-25 ft BG
BTEX
>95% reduction in 2
sand with no silt;
months
Fine to medium
gravel' Less
permeable
brown/grey well-
sorted, dense, fine
sand
30,000 ft2 ; 18 ft. BG
Ogden, Utah
Interbedded silty
5-11 ft.
TPH: 51-190
All clean-up levels
sand & poorly
Benzene: 1.3-4.7
achieved
graded fine gravel,
Toluene: 2.4-9.4
underlain by a silty
Ethylbenzene: 0.78-
clay aquitard at a
2.7
depth of approx. 18
Total Xylenes: 2.5-8
ft. BG
Naphthalene: 0.18-
0.63





 


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