1,1,2,2-Tetrachloroethane
Appleby 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.
52
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 | 9 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 10 | 0 | ND |
| 2023 | ND | 13 | 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 |
|---|---|---|
| 2018-01-30 | Q1803539002 | ND |
| 2018-04-18 | Q1815998002 | ND |
| 2018-04-18 | Q1815998004 | ND |
| 2018-04-18 | Q1815998014 | ND |
| 2018-04-18 | Q1815998017 | ND |
| 2018-04-18 | Q1815998021 | ND |
| 2018-04-18 | Q1815998022 | ND |
| 2018-04-18 | Q1815998024 | ND |
| 2018-10-31 | Q1843888003 | ND |
| 2019-01-24 | Q1903594011 | ND |
| 2019-01-24 | Q1903594012 | ND |
| 2019-01-24 | Q1903594009 | ND |
| 2019-01-24 | Q1903594007 | ND |
| 2019-01-24 | Q1903594005 | ND |
| 2019-04-24 | Q1916506003 | ND |
| 2020-05-06 | Q2017875016 | ND |
| 2020-05-06 | Q2017875018 | ND |
| 2020-05-06 | Q2017875020 | ND |
| 2020-05-06 | Q2017875022 | ND |
| 2020-05-06 | Q2017875024 | ND |
| 2020-05-06 | Q2017875026 | ND |
| 2021-02-01 | Q2102897019 | ND |
| 2021-02-01 | Q2102897017 | ND |
| 2021-02-01 | Q2102897015 | ND |
| 2021-02-01 | Q2102897011 | ND |
| 2021-02-01 | Q2102897009 | ND |
| 2021-02-01 | Q2102897013 | ND |
| 2021-07-26 | Q2119473012 | ND |
| 2021-10-12 | Q2128274008 | ND |
| 2022-02-01 | Q2203639004 | ND |
| 2022-02-01 | Q2203639006 | ND |
| 2022-02-01 | Q2203639008 | ND |
| 2022-05-16 | Q2214437003 | ND |
| 2022-05-16 | Q2214437005 | ND |
| 2022-09-06 | Q2226362007 | ND |
| 2022-09-06 | Q2226362009 | ND |
| 2022-09-06 | Q2226362011 | ND |
| 2022-09-06 | Q2226362021 | ND |
| 2022-11-08 | Q2233715003 | ND |
| 2023-03-07 | Q2308836002 | ND |
| 2023-03-22 | Q2310842006 | ND |
| 2023-03-22 | Q2310842008 | ND |
| 2023-03-22 | Q2310842010 | ND |
| 2023-06-19 | Q2323052007 | ND |
| 2023-06-19 | Q2323052009 | ND |
| 2023-06-19 | Q2323052011 | ND |
| 2023-08-14 | Q2333697015 | ND |
| 2023-08-14 | Q2333697017 | ND |
| 2023-08-14 | Q2333697021 | ND |
| 2023-08-14 | Q2333697023 | ND |
| 2023-10-23 | Q2345174002 | ND |
| 2023-10-23 | Q2345174014 | ND |