1,1,2,2-Tetrachloroethane
Northcrest Ranch Water System
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.
13
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 | 3 | 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 |
---|---|---|
2014-04-10 | AC50138 | ND |
2014-04-10 | AC50148 | ND |
2014-06-05 | AC56097 | ND |
2015-04-22 | AC89232 | ND |
2015-04-22 | AC89234 | ND |
2016-11-30 | AD59599 | ND |
2016-11-30 | AD59617 | ND |
2017-09-12 | AD95777 | ND |
2017-09-12 | AD95773 | ND |
2018-07-24 | AE34333 | ND |
2018-07-24 | AE34335 | ND |
2019-09-30 | AE85137 | ND |
2019-11-25 | AE90436 | ND |