1,1,2,2-Tetrachloroethane
Millersview-doole Water Supply Corporation
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 |
|---|---|---|
| 2018-02-22 | Q1807532003 | ND |
| 2018-05-15 | Q1819705008 | ND |
| 2019-03-07 | Q1909828003 | ND |
| 2019-05-08 | Q1922600002 | ND |
| 2020-02-19 | Q2006429007 | ND |
| 2020-05-21 | Q2020415006 | ND |
| 2021-03-09 | Q2106081004 | ND |
| 2021-04-28 | Q2110759009 | ND |
| 2022-02-15 | Q2205471001 | ND |
| 2022-05-03 | Q2213150003 | ND |
| 2023-02-16 | Q2306687004 | ND |
| 2023-02-16 | Q2306687006 | ND |