1,1,2,2-Tetrachloroethane
Pennichuck Water Works
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 | 2 | 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 |
---|---|---|
2014-08-07 | 1408-00208-001 | ND |
2014-09-22 | 1409-01461-001 | ND |
2015-07-09 | 1507-00792-001 | ND |
2015-09-16 | 1509-01287-001 | ND |
2016-07-18 | 1607-01781-001 | ND |
2016-09-07 | 1609-00701-001 | ND |
2017-07-20 | 1707-02341-001 | ND |
2017-09-06 | 1709-00673-001 | ND |
2018-07-12 | 1807-01403-001 | ND |
2018-09-17 | 1809-02211-001 | ND |
2019-07-17 | 1907-02592-001 | ND |
2019-08-27 | 1908-03725-001 | ND |