1,1,2,2-Tetrachloroethane
Crazy Horse Ranch Water
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.
10
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 | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-25 | Q1409490001 | ND |
| 2014-06-09 | Q1419972001 | ND |
| 2015-02-16 | Q1506106001 | ND |
| 2015-05-28 | Q1519624002 | ND |
| 2016-02-10 | Q1605916002 | ND |
| 2016-05-24 | Q1620357002 | ND |
| 2017-03-13 | Q1710265001 | ND |
| 2018-02-20 | Q1807017002 | ND |
| 2018-08-20 | Q1833103003 | ND |
| 2019-02-14 | Q1906896003 | ND |