1,1,2,2-Tetrachloroethane
Jblm Mcchord Field
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
16
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 6 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-14 | ND | |
| 2018-08-14 | ND | |
| 2019-07-31 | ND | |
| 2021-04-07 | 4213550 | ND |
| 2021-04-07 | 4213549 | ND |
| 2021-11-17 | 4207231 | ND |
| 2021-11-19 | 4207599 | ND |
| 2021-11-19 | 4207598 | ND |
| 2022-04-06 | 4274425 | ND |
| 2022-09-28 | 4370669 | ND |
| 2023-04-13 | 4441715 | ND |
| 2023-05-03 | 4452074 | ND |
| 2023-06-14 | 4470352 | ND |
| 2023-06-14 | 4470351 | ND |
| 2023-06-15 | 4470350 | ND |
| 2023-09-06 | 4514768 | ND |