1,1,2,2-Tetrachloroethane
Lake Conroe Forest Subdivision
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.
11
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 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 | AC62534 | ND |
2015-08-04 | AD02341 | ND |
2015-08-04 | AD02339 | ND |
2016-12-12 | AD61684 | ND |
2016-12-12 | AD61690 | ND |
2017-07-27 | AD91126 | ND |
2017-07-27 | AD91122 | ND |
2018-05-23 | AE27500 | ND |
2018-05-23 | AE27498 | ND |
2019-07-18 | AE75047 | ND |
2019-07-18 | AE75055 | ND |