1,1,2,2-Tetrachloroethane
Montgomery County Municipal Utility District 89
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.
12
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 | 2 | 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 |
---|---|---|
2014-11-17 | AC72251 | ND |
2014-11-17 | AC72253 | ND |
2015-06-08 | AC94944 | ND |
2015-06-08 | AC94946 | ND |
2016-12-06 | AD60648 | ND |
2016-12-06 | AD60662 | ND |
2017-05-09 | AD83367 | ND |
2017-09-07 | AD95194 | ND |
2018-07-25 | AE34540 | ND |
2018-07-25 | AE34534 | ND |
2019-11-21 | AE90176 | ND |
2019-11-21 | AE90174 | ND |