1,1,2,2-Tetrachloroethane
Holly Tree Acres System 1
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.
16
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2015-01-16 | V5A0375-02 | ND |
| 2015-01-16 | V5A0375-03 | ND |
| 2018-01-11 | 7040260001-VOC | ND |
| 2018-01-11 | 7040267001-VOC | ND |
| 2018-02-26 | 2298242001 | ND |
| 2018-04-23 | 7049760001-VOC | ND |
| 2018-09-26 | 7066191001-VOC | ND |
| 2018-10-01 | 7067159001-VOC | ND |
| 2019-01-16 | 7077040001-VOC | ND |
| 2019-01-30 | 7078177001-VOC | ND |
| 2019-04-24 | 7087324001-VOC | ND |
| 2019-06-25 | 7095254001-VOC | ND |
| 2019-06-25 | 7095256001-VOC | ND |
| 2019-08-21 | 70102407001-VOC | ND |
| 2019-08-21 | 70102414001-VOC | ND |
| 2019-10-22 | 70109566001-VOC | ND |