1,1,2,2-Tetrachloroethane
Cross Roads Special Utility District
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.
19
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 | 6 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-06-11 | Q1823067008 | ND |
| 2018-06-11 | Q1823067005 | ND |
| 2019-10-29 | Q1974604001 | ND |
| 2019-10-29 | Q1974604003 | ND |
| 2020-12-17 | Q2050079006 | ND |
| 2020-12-17 | Q2050079008 | ND |
| 2021-03-02 | Q2105308006 | ND |
| 2021-06-24 | Q2116616005 | ND |
| 2021-09-21 | Q2125859006 | ND |
| 2021-11-30 | Q2133008006 | ND |
| 2021-11-30 | Q2133008010 | ND |
| 2021-11-30 | Q2133008008 | ND |
| 2022-03-22 | Q2209157009 | ND |
| 2022-03-22 | Q2209157011 | ND |
| 2022-03-22 | Q2209157013 | ND |
| 2022-05-26 | Q2215240003 | ND |
| 2023-02-27 | Q2307812003 | ND |
| 2023-07-20 | Q2328742001 | ND |
| 2023-10-16 | Q2343886003 | ND |