1,1,2,2-Tetrachloroethane
Westbound Water Supply Corporation Cisco Source
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 |
|---|---|---|
| 2018-11-28 | Q1848312002 | ND |
| 2018-11-28 | Q1848312004 | ND |
| 2019-12-17 | Q1980357004 | ND |
| 2019-12-17 | Q1980357006 | ND |
| 2020-11-09 | Q2043631003 | ND |
| 2020-11-09 | Q2043631009 | ND |
| 2021-02-09 | Q2103863001 | ND |
| 2021-02-09 | Q2103863003 | ND |
| 2022-02-16 | Q2205765002 | ND |
| 2022-02-16 | Q2205765004 | ND |
| 2023-02-07 | Q2304671006 | ND |
| 2023-07-12 | Q2327347004 | ND |