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MTBE Cleanup in Dunedin, Florida
Field data from an MTBE cleanup in Dunedin, Florida, revealed reductions of MTBE from 1,700 ppb to 250 ppb in just two weeks. Within about 4 months, MTBE levels were reduced to 31ppb. After 7 months, the MTBE levels were 0 ppb. Over the same 7-month period Benzene levels fell from 610 ppb to 0 ppb. Toluene levels dropped from 2,400 ppb to 1.5ppb, Xylene fell from 11,000 ppb to 20 ppb, and Ethylbenzene dropped from 1,500 ppb to 2.8 ppb.
| Sampling Date |
Contaminant concentration (ug/l) |
|
Benzene |
Toluene |
Ethylbenzene |
Xylenes |
MTBE |
| 9/27/2001 |
610.0 |
2400.0 |
1500.0 |
11000.0 |
1700.0 |
| 10/11/2001 |
84.0 |
220.0 |
130.0 |
1290.0 |
250.0 |
| 11/1/2001 |
82.0 |
1900.0 |
760.0 |
5600.0 |
210.0 |
| 12/7/2001 |
250.0 |
4200.0 |
2000.0 |
15300.0 |
470.0 |
| 1/2/2002 |
110.0 |
1500.0 |
840.0 |
7600.0 |
220.0 |
| 2/7/2002 |
14.0 |
27.0 |
52.0 |
790.0 |
31.0 |
| 3/1/2002 |
<25 |
48.0 |
100.0 |
630.0 |
<50 |
| 4/5/2002 |
ND |
1.5 |
2.8 |
20.0 |
ND |
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