Table 6. Description of microcosms used to examine biodegradation of chlorinated ethenes
[TCE, trichloroethylene; mg/L, milligrams per liter; --, none; four replicates created for each treatment]
|
Experiment |
Treatment |
Source of water |
Microcosm treatments |
||
|
Wells(s) |
Date |
TCE (mg/L) |
Additional |
||
|
1 |
1 |
1D |
Feb. 17, 1998 |
0.17 |
-- |
|
1 |
2 |
1D |
Feb. 17, 1998 |
0.92 |
-- |
|
1 |
3 |
2D |
Feb. 17, 1998 |
0.57 |
-- |
|
1 |
4 |
2D |
Feb. 17, 1998 |
1.19 |
-- |
|
1 |
5 |
3D |
Feb. 17, 1998 |
0.30 |
-- |
|
1 |
6 |
3D |
Feb. 17, 1998 |
0.73 |
-- |
|
1 |
7 |
12D |
Feb. 17, 1998 |
0.08 |
-- |
|
1 |
8 |
12D |
Feb. 17, 1998 |
0.68 |
-- |
|
1 |
9 |
Multiple |
Feb. 17, 1998 |
0.94 |
Sterilized1 |
|
2 |
1 |
1D |
May 21, 1998 |
1.61 |
-- |
|
2 |
2 |
2D |
May 21, 1998 |
1.53 |
-- |
|
2 |
3 |
3D |
May 21, 1998 |
1.19 |
-- |
|
2 |
4 |
12D |
May 21, 1998 |
2.50 |
-- |
|
2 |
5 |
2D/3D |
May 21, 1998 |
0.73 |
Sterilized |
1 Bacteria data indicated sterilization not successful.
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