1,1,2,2-Tetrachloroethane
City of Morgan Hill
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 | 5 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 11 | 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 |
---|---|---|
2014-05-12 | 5810-032-0920 | ND |
2014-05-12 | 5810-017-1015 | ND |
2014-05-28 | 5810-012-0930 | ND |
2014-06-23 | 5810-010-0815 | ND |
2014-09-10 | 5810-043-0800 | ND |
2015-05-18 | 5810-002-0900 | ND |
2015-05-27 | 5810-043-0755 | ND |
2015-07-21 | 1610-001-1010 | ND |
2016-05-09 | 1610-015-0930 | ND |
2016-05-09 | 1610-008-0815 | ND |
2016-05-09 | 1610-016-0730 | ND |
2016-05-09 | 1610-009-0900 | ND |
2016-05-16 | 1610-040-0830 | ND |
2016-05-16 | 1610-043-0740 | ND |
2016-09-26 | 1610-043-0755 | ND |
2017-05-08 | 1610-017-0900 | ND |
2017-05-08 | 1610-032-0800 | ND |
2017-05-22 | 1610-012-0720 | ND |
2017-08-14 | 1610-043-1000 | ND |
2017-11-27 | 1610-043-0750 | ND |
2018-04-23 | 1610-043-0730 | ND |
2018-07-16 | 1610-043-0730 | ND |
2018-10-30 | 1610-001-0930 | ND |
2018-11-06 | 1610-043-0925 | ND |
2019-02-11 | 1610-043-0745 | ND |
2019-02-11 | 1610-007-0745 | ND |
2019-04-23 | 1610-043-0700 | ND |
2019-05-07 | 1610-040-0715 | ND |
2019-05-07 | 1610-009-0800 | ND |
2019-05-07 | 1610-043-0630 | ND |
2019-05-07 | 1610-016-0930 | ND |
2019-05-07 | 1610-008-1000 | ND |
2019-05-07 | 1610-015-0830 | ND |
2019-08-05 | 1610-043-0700 | ND |
2019-11-12 | 1610-043-0710 | ND |