1,1,2,2-Tetrachloroethane
Newhall Cwd-castaic
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.
18
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 |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-02-13 | 9590-008-0925 | ND |
| 2014-02-13 | 9590-002-0918 | ND |
| 2014-02-13 | 9590-001-0904 | ND |
| 2015-02-19 | 9590-001-1020 | ND |
| 2015-02-19 | 9590-002-1110 | ND |
| 2015-02-19 | 9590-008-1050 | ND |
| 2016-02-18 | 9590-001-1120 | ND |
| 2016-02-18 | 9590-008-1040 | ND |
| 2016-02-18 | 9590-002-1030 | ND |
| 2017-02-16 | 9590-002-0919 | ND |
| 2017-02-16 | 9590-008-0931 | ND |
| 2017-11-02 | 9590-001-1040 | ND |
| 2018-04-05 | 2104-002-0935 | ND |
| 2018-04-05 | 2104-008-0956 | ND |
| 2018-04-05 | 2104-001-0905 | ND |
| 2019-04-18 | 9590-002-0920 | ND |
| 2019-04-18 | 9590-008-0910 | ND |
| 2019-04-18 | 9590-001-0850 | ND |