1,1,2,2-Tetrachloroethane
Walnut Park Mutual Water Company
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-24 | 9588-003-0940 | ND |
2014-04-11 | 9588-004-0930 | ND |
2014-12-16 | 9588-008-1017 | ND |
2015-01-30 | 9588-003-0919 | ND |
2015-04-22 | 9588-004-1003 | ND |
2015-10-21 | 9588-008-0950 | ND |
2016-01-20 | 9588-003-0945 | ND |
2016-06-22 | 9588-004-0950 | ND |
2016-10-19 | 9588-008-0000 | ND |
2017-01-18 | 9588-003-1005 | ND |
2017-04-20 | 9588-004-0940 | ND |
2017-10-17 | 9588-008-0749 | ND |
2018-01-16 | 9588-003-0754 | ND |
2018-04-17 | 9588-004-0709 | ND |
2018-12-18 | 9588-008-0800 | ND |
2019-01-24 | 9588-008-0839 | ND |
2019-01-24 | 9588-003-0750 | ND |
2019-04-23 | 9588-004-0850 | ND |