1,1,2,2-Tetrachloroethane
Prudence Island Water District
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.
8
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 | 4 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2015-03-16 | 1501567-04_TO12 | ND |
| 2015-03-16 | 1501567-03_TO12 | ND |
| 2015-11-15 | 1504735-02_TO12 | ND |
| 2015-11-15 | 1504735-01_TO12 | ND |
| 2018-03-12 | 1801369-02_TO12 | ND |
| 2018-03-12 | 1801369-01_TO12 | ND |
| 2018-11-13 | 1811-24376-001V | ND |
| 2018-11-13 | 1811-24376-002V | ND |