1,1,2,2-Tetrachloroethane
Eastern Municipal 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.
35
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 | 5 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-04-28 | 4790-071-0800 | ND |
| 2014-08-18 | 4790-081-0850 | ND |
| 2014-08-18 | 4790-071-0900 | ND |
| 2014-08-26 | 4790-063-1308 | ND |
| 2014-12-01 | 4790-071-0734 | ND |
| 2015-02-17 | 4790-071-0839 | ND |
| 2015-05-11 | 4790-071-0405 | ND |
| 2015-08-04 | 4790-063-1015 | ND |
| 2015-08-04 | 4790-071-0830 | ND |
| 2015-08-04 | 4790-081-0820 | ND |
| 2015-11-02 | 4790-071-0833 | ND |
| 2016-01-18 | 4790-071-0000 | ND |
| 2016-04-11 | 4790-071-0850 | ND |
| 2016-08-01 | 4790-071-0835 | ND |
| 2016-08-01 | 4790-081-0830 | ND |
| 2016-08-02 | 4790-063-0840 | ND |
| 2016-10-19 | 4790-071-1145 | ND |
| 2017-01-10 | 4790-071-0848 | ND |
| 2017-04-10 | 4790-071-0902 | ND |
| 2017-07-10 | 4790-071-0950 | ND |
| 2017-08-01 | 4790-063-1030 | ND |
| 2017-08-01 | 4790-081-1126 | ND |
| 2017-08-02 | 4790-071-0815 | ND |
| 2017-10-09 | 4790-071-0744 | ND |
| 2018-01-08 | 4790-071-0845 | ND |
| 2018-04-23 | 4790-071-0845 | ND |
| 2018-07-02 | 4790-081-0814 | ND |
| 2018-07-02 | 4790-063-0856 | ND |
| 2018-10-01 | 4790-071-0632 | ND |
| 2019-01-07 | 4790-071-0626 | ND |
| 2019-04-22 | 4790-071-0620 | ND |
| 2019-06-18 | 4790-106-0930 | ND |
| 2019-07-08 | 4790-063-1515 | ND |
| 2019-07-11 | 4790-081-1418 | ND |
| 2019-10-08 | 4790-071-0817 | ND |