1,1,2,2-Tetrachloroethane
Madison 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 | 5 | 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 |
---|---|---|
2014-10-14 | L727671-1 | ND |
2014-10-23 | L729555-1 | ND |
2015-12-09 | L806002-001 | ND |
2015-12-09 | L806002-002 | ND |
2016-11-09 | L871807-2 | ND |
2016-11-09 | L871807-1 | ND |
2017-10-11 | L943310-1 | ND |
2017-10-11 | L943310-2 | ND |
2018-01-08 | L961798-1 | ND |
2018-01-22 | L964821-1 | ND |
2018-04-09 | L984270-1 | ND |
2018-08-08 | L1016297-01 | ND |
2018-11-01 | L1040607-01 | ND |
2019-02-20 | L1072415-01A | ND |
2019-02-20 | L1072415-01 | ND |