1,1,2,2-Tetrachloroethane
Westchester County WD #2
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.
11
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-05-11 | 7051465001 POCS | ND |
| 2019-05-31 | 7091709001 POCS | ND |
| 2020-05-08 | 70130562 POCS | ND |
| 2020-11-12 | AW21843-POCS | ND |
| 2021-06-04 | 70175718002-POC | ND |
| 2021-07-27 | AX14931-POCS | ND |
| 2022-05-13 | 70214739003-POCS | ND |
| 2022-05-13 | 702147390002-POCS | ND |
| 2022-05-13 | 70214743004-POCS | ND |
| 2022-09-21 | AY17010-POCS | ND |
| 2023-07-27 | AZ13680-POCS | ND |