1,1,2,2-Tetrachloroethane
Western Cass 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.
37
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 | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-03-08 | Q1809687004 | ND |
| 2018-03-08 | Q1809687002 | ND |
| 2018-03-08 | Q1809687009 | ND |
| 2018-03-08 | Q1809687007 | ND |
| 2018-03-08 | Q1809687006 | ND |
| 2019-05-02 | Q1918236001 | ND |
| 2019-05-02 | Q1918236003 | ND |
| 2019-05-02 | Q1918236005 | ND |
| 2019-05-02 | Q1918236007 | ND |
| 2019-05-02 | Q1918236009 | ND |
| 2020-03-19 | Q2011997005 | ND |
| 2020-03-19 | Q2011997013 | ND |
| 2020-04-21 | Q2015767011 | ND |
| 2020-04-21 | Q2015767013 | ND |
| 2020-04-21 | Q2015767015 | ND |
| 2020-04-21 | Q2015767017 | ND |
| 2020-04-21 | Q2015767036 | ND |
| 2020-07-28 | Q2029440005 | ND |
| 2020-10-22 | Q2041222005 | ND |
| 2021-10-25 | Q2129911008 | ND |
| 2021-10-25 | Q2129911010 | ND |
| 2021-10-25 | Q2129911012 | ND |
| 2021-10-25 | Q2129911014 | ND |
| 2021-10-25 | Q2129911016 | ND |
| 2021-10-25 | Q2129911006 | ND |
| 2022-04-14 | Q2211593009 | ND |
| 2022-04-14 | Q2211593011 | ND |
| 2022-04-14 | Q2211593007 | ND |
| 2022-04-14 | Q2211593005 | ND |
| 2022-04-14 | Q2211593003 | ND |
| 2022-11-16 | Q2234548001 | ND |
| 2023-08-01 | Q2331111006 | ND |
| 2023-08-01 | Q2331111008 | ND |
| 2023-10-02 | Q2342120007 | ND |
| 2023-10-02 | Q2342120009 | ND |
| 2023-10-02 | Q2342120011 | ND |
| 2023-10-02 | Q2342120013 | ND |