1,1,2,2-Tetrachloroethane
Coastside County 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.
15
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-03-17 | 5810-011-1040 | ND |
| 2014-03-19 | 5810-010-1130 | ND |
| 2015-03-04 | 5810-010-1015 | ND |
| 2015-03-10 | 5810-011-1030 | ND |
| 2015-03-25 | 5810-002-1015 | ND |
| 2015-12-16 | 5810-013-1200 | ND |
| 2016-02-02 | 5810-011-1020 | ND |
| 2016-03-30 | 5810-010-0950 | ND |
| 2017-02-14 | 5810-011-1030 | ND |
| 2017-03-15 | 5810-010-1115 | ND |
| 2018-02-20 | 5810-011-1425 | ND |
| 2018-03-14 | 5810-002-1028 | ND |
| 2018-03-14 | 5810-010-1110 | ND |
| 2019-02-19 | 5810-011-1025 | ND |
| 2019-03-13 | 5810-010-1135 | ND |