1,1,2,2-Tetrachloroethane
Rison Waterworks
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-02-05 | 14037002909 | ND |
2014-05-05 | 14128006609 | ND |
2014-11-19 | 14324008001 | ND |
2015-12-01 | 15337001701 | ND |
2016-01-25 | 16028003201 | ND |
2016-04-25 | 16119004101 | ND |
2016-05-02 | 16126015701 | ND |
2016-09-12 | 16259004101 | ND |
2016-10-17 | 16294003301 | ND |
2016-10-17 | 16294003401 | ND |
2017-10-04 | 17278011402 | ND |
2018-10-23 | 18298000501 | ND |
2019-10-22 | 19297000301 | ND |
2019-10-22 | 19297000201 | ND |