1,1,2,2-Tetrachloroethane
Aqua Water Supply Corporation
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.
50
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 | ND | 3 | 0 | ND |
| 2015 | ND | 11 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 9 | 0 | ND |
| 2018 | ND | 11 | 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 |
|---|---|---|
| 2014-02-05 | AC41501 | ND |
| 2014-02-05 | AC41499 | ND |
| 2014-08-13 | AC63409 | ND |
| 2015-02-09 | AC79748 | ND |
| 2015-02-09 | AC79752 | ND |
| 2015-02-09 | AC79742 | ND |
| 2015-02-09 | AC79744 | ND |
| 2015-02-09 | AC79750 | ND |
| 2015-02-09 | AC79746 | ND |
| 2015-02-10 | AC79981 | ND |
| 2015-02-10 | AC79973 | ND |
| 2015-02-10 | AC79985 | ND |
| 2015-02-10 | AC79983 | ND |
| 2015-02-10 | AC79977 | ND |
| 2016-01-26 | AD20134 | ND |
| 2016-01-26 | AD20116 | ND |
| 2016-01-26 | AD20118 | ND |
| 2016-01-26 | AD20130 | ND |
| 2016-01-26 | AD20138 | ND |
| 2016-01-26 | AD20122 | ND |
| 2016-01-26 | AD20120 | ND |
| 2016-01-26 | AD20124 | ND |
| 2017-01-11 | AD64322 | ND |
| 2017-01-11 | AD64332 | ND |
| 2017-01-11 | AD64334 | ND |
| 2017-01-11 | AD64336 | ND |
| 2017-01-12 | AD64778 | ND |
| 2017-01-12 | AD64780 | ND |
| 2017-01-12 | AD64786 | ND |
| 2017-01-12 | AD64782 | ND |
| 2017-01-12 | AD64776 | ND |
| 2018-01-25 | AE10610 | ND |
| 2018-01-25 | AE10604 | ND |
| 2018-01-25 | AE10548 | ND |
| 2018-01-25 | AE10554 | ND |
| 2018-01-25 | AE10542 | ND |
| 2018-01-25 | AE10624 | ND |
| 2018-01-25 | AE10546 | ND |
| 2018-01-25 | AE10620 | ND |
| 2018-01-25 | AE10552 | ND |
| 2018-01-25 | AE10544 | ND |
| 2018-01-25 | AE10550 | ND |
| 2019-05-15 | AE66520 | ND |
| 2019-05-15 | AE66532 | ND |
| 2019-05-15 | AE66530 | ND |
| 2019-05-15 | AE66524 | ND |
| 2019-05-15 | AE66522 | ND |
| 2019-05-15 | AE66518 | ND |
| 2019-05-15 | AE66528 | ND |
| 2019-05-15 | AE66526 | ND |