1,1,2,2-Tetrachloroethane
Bourne Water District
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 | N/A | 0 | 0 | N/A |
2015 | ND | 8 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 10 | 0 | ND |
2019 | ND | 10 | 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 | Result |
---|---|
2015-08-10 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2015-10-13 | ND |
2016-07-19 | ND |
2016-11-10 | ND |
2016-11-10 | ND |
2016-11-10 | ND |
2016-11-10 | ND |
2016-11-10 | ND |
2016-11-10 | ND |
2017-01-25 | ND |
2017-04-25 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2018-01-10 | ND |
2018-04-09 | ND |
2018-07-12 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2018-10-22 | ND |
2019-01-23 | ND |
2019-05-08 | ND |
2019-07-26 | ND |
2019-11-19 | ND |
2019-11-19 | ND |
2019-11-19 | ND |
2019-11-19 | ND |
2019-11-19 | ND |
2019-11-19 | ND |
2019-11-19 | ND |