1,1,2,2-Tetrachloroethane
Cottonwood Hills Estates
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.
12
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 | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-13 | Q1805887001 | ND |
| 2018-02-13 | Q1805887003 | ND |
| 2019-03-05 | Q1909164001 | ND |
| 2019-03-05 | Q1909164003 | ND |
| 2020-02-12 | Q2005781001 | ND |
| 2020-06-25 | Q2025625001 | ND |
| 2021-06-16 | Q2115846002 | ND |
| 2021-06-16 | Q2115846004 | ND |
| 2022-03-22 | Q2209180012 | ND |
| 2022-03-22 | Q2209180014 | ND |
| 2023-02-21 | Q2307018001 | ND |
| 2023-12-04 | Q2351632001 | ND |