1,1,2,2-Tetrachloroethane
Pecan Grove MUD
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.
30
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 | 2 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 11 | 0 | ND |
| 2017 | ND | 5 | 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 |
|---|---|---|
| 2014-02-05 | AC41505 | ND |
| 2014-02-05 | AC41507 | ND |
| 2015-01-14 | AC76245 | ND |
| 2015-01-14 | AC76239 | ND |
| 2015-01-14 | AC76235 | ND |
| 2015-04-07 | AC87508 | ND |
| 2016-01-21 | AD19291 | ND |
| 2016-01-21 | AD19299 | ND |
| 2016-01-21 | AD19293 | ND |
| 2016-01-21 | AD19285 | ND |
| 2016-09-08 | AD48496 | ND |
| 2016-09-08 | AD48486 | ND |
| 2016-09-08 | AD48492 | ND |
| 2016-09-23 | AD51202 | ND |
| 2016-12-07 | AD60934 | ND |
| 2016-12-07 | AD60936 | ND |
| 2016-12-07 | AD60922 | ND |
| 2017-02-01 | AD68117 | ND |
| 2017-05-02 | AD82220 | ND |
| 2017-09-11 | AD95495 | ND |
| 2017-09-11 | AD95503 | ND |
| 2017-09-11 | AD95499 | ND |
| 2018-02-02 | AE12285 | ND |
| 2018-03-26 | AE19934 | ND |
| 2018-03-26 | AE19954 | ND |
| 2018-03-26 | AE19976 | ND |
| 2019-01-14 | AE49585 | ND |
| 2019-04-11 | AE62098 | ND |
| 2019-04-11 | AE62102 | ND |
| 2019-07-15 | AE74423 | ND |