1,1,2,2-Tetrachloroethane
Tri County Special Utility 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.
22
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 | 6 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2015-03-18 | AC85077 | ND |
| 2015-03-18 | AC85055 | ND |
| 2015-03-18 | AC85057 | ND |
| 2015-09-21 | AD07836 | ND |
| 2015-09-21 | AD07848 | ND |
| 2015-12-02 | AD15216 | ND |
| 2016-03-02 | AD26634 | ND |
| 2016-03-02 | AD26658 | ND |
| 2016-03-02 | AD26636 | ND |
| 2016-06-01 | AD39005 | ND |
| 2017-02-15 | Q1706685001 | ND |
| 2017-02-15 | Q1706685016 | ND |
| 2017-02-15 | Q1706685014 | ND |
| 2017-08-15 | Q1735502005 | ND |
| 2018-02-13 | Q1806042014 | ND |
| 2018-02-13 | Q1806042012 | ND |
| 2018-02-13 | Q1806042010 | ND |
| 2018-05-10 | Q1819253005 | ND |
| 2019-05-30 | Q1930040001 | ND |
| 2019-05-30 | Q1930040007 | ND |
| 2019-05-30 | Q1930040005 | ND |
| 2019-05-30 | Q1930040003 | ND |