1,1,2,2-Tetrachloroethane
Westside Park Mutual Water
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-09-09 | 3761-002-1322 | ND |
2014-12-30 | 3761-001-0000 | ND |
2015-11-24 | 3761-001-1200 | ND |
2015-11-24 | 3761-002-1145 | ND |
2016-12-29 | 3761-001-0700 | ND |
2016-12-29 | 3761-002-0725 | ND |
2017-11-21 | 3761-002-1220 | ND |
2018-06-19 | 3761-001-1143 | ND |
2018-10-23 | 3761-002-1102 | ND |
2019-06-25 | 3761-002-1215 | ND |
2019-07-16 | 3761-001-1202 | ND |