Project/
Location |
Contaminants |
Depth
Feet |
Geology |
Treatment
Technology |
Clean-up
Level |
Treatment
Vol (yd3) |
Total
Cost |
Project
Period |
| LNAPL Projects
|
| Tinker AFB NT Oklahoma US Air Force |
No. 2 Heating Oil (LNAPL) |
22 to
32 |
thinly bedded silty fine-grain sandstone/sandy silt stone |
in-situ surfactant flushing |
FP removal only |
925 |
$125,000 |
Jan 01- Jun 01 |
| Golden UST Oklahoma OCC2 |
Gasoline Fuel (LNAPL) |
5 to
25 |
shallow (< 15 ft): sandy silt, silty clay, silt
deep (>15
ft): sand, gravel |
in-situ surfactant
flushing/chemical oxidation |
FP removal & 9 ppm Benzene groundwater** |
44,000 |
$700,000 |
May 01 - Mar 02 |
| Tulsa Utility Trench Oklahoma OCC2 |
Gasoline Fuel (LNAPL) |
2 to
6 |
gravel (trench fill), interbedded silty clay |
in-situ surfactant flushing |
FP removal only |
90 |
$23,000 |
Apr 01 |
| Bixby UST Oklahoma OCC2 |
Gasoline and Diesel Fuel (LNAPL) |
6 to
14 |
fine sand |
in-situ surfactant flushing/chemical oxidation |
FP removal & 50 TPH mg/kg soil & 50 TPH ppm groudwater
|
8,900 |
$237,000 |
Dec 02 - Mar 03 |
| Cobb Creek UST Oklahoma OCC2 |
Gasoline Fuel (LNAPL) |
18 to
28< |
silty sand/sandy silt |
in-situ surfactant flushing/chemical oxidation |
FP removal & 0.7 ppm Benzene groundwater |
14,500 |
$296,000 |
Apr 03 - Sep 03 |
| Spencer Creek UST Oklahoma OCC2 |
Gasoline Fuel (LNAPL) |
23 to
30 |
fine grained sandstone |
in-situ surfactant flushing |
FP removal only |
7,800 |
$339,000 |
Nov 03 - Dec 03 |
| Enid UST Oklahoma OCC2 |
Gasoline Fuel (LNAPL) |
30 to
36 |
sandy silt |
in-situ surfactant flushing |
FP removal only |
1,800 |
$205,000 |
Jan 04 - present |
| Love’s Oklahoma City |
Gasoline (LNAPL) Diesel (LNAPL) |
3 to
15 |
Very sine sand – Poorly graded (Tank Pit Flush) |
In-situ surfactant flushing |
FP removal only |
1339 |
$22,800 |
Sept 02 - Oct 02 |
| QT 100 (UST) Tulsa, OK |
Gasoline (LNAPL) |
4 to
9 |
Silty clay overlying a shale with limestone (Tank pit flush and flush of migrating plume |
In-situ surfactant flushing |
FP removal & 5.5 ppm Benzene groundwater |
2,844 |
$114,914 |
May 04 - July 04 |
| Station (UST) Purcell, OK |
Gasoline (LNAPL) |
11 to
15 |
Silty clay to silty clayey sand |
In-situ surfactant flushing & bio-polishing
|
FP removal only |
15,333 |
$288,850 |
July 04 - Aug |
| UST Tank Pit Hot Springs, Arkansas |
Gasoline (LNAPL) Diesel (LNAPL)
|
6.1 to
12 |
Gravel (Tank pit backfill) Tank Pit Flush |
In-situ surfactant flushing |
FP removal & 25 TPH GRO & 5 TPH DRO groundwater
|
273 |
$37,600 |
May 04 -
June 04 |
| UST station Bryant Arkansas |
Gasoline (LNAPL) |
6 to
10 |
Very fine sand (Tank Pit backfill) poorly graded Tank Pit Flush |
In-situ surfactant flushing |
FP removal only |
572 |
$39,249 |
Dec 04 - Jan 05 |
| Douglass HS Ok City |
Gasoline (LNAPL) |
24 to
27 |
Silty clay, silty/clayey sand |
In-situ surfactant flushing |
FP removal & 1400 TPH GRO in soil |
19,444 |
$1,453,750 |
Sept 04 -
Mar 05 |
| Love’s Morgan Road Ok City |
Diesel (LNAPL) |
8 to
10 |
Gravel (Tank Pit backfill) Tank Pit Flush |
In-situ surfactant flushing |
FP removal only |
555 |
$40,900 |
Nov 04 - Dec 04 |
Former UST Bristow OK
|
Gasoline (LNAPL) |
8 to
15 |
Sandstone |
In-situ surfactant flushing |
FP removal only
|
Project in remediation phase not yet complete |
$253,000 |
May 05 - present |
| DNAPL Projects |
| Alameda NAS California US NAVY |
1,1,1-TCA, TCE, 1,1-DCE, 1,1-DCA (DNAPL) |
13 to
17 |
interbedded fine sand, silty sand, and gravelly sand |
in-situ surfactant flushing |
FP removal only |
370 |
$700,000 |
Jan 99 - Sep 99 |
| Spartan Chemical Michigan MDEQ1 |
Ketones, MC, TCE, BTEX (DNAPL) |
87 to
92 |
fine to coarse sand, and gravel lenses |
in-situ surfactant flushing |
FP removal & removal to residual phase |
465 |
$235,000 |
Jan 00 - Jul 00 |
