1,1,2,2-Tetrachloroethane
Wee Wood Park
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.
24
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 | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2015-04-27 | POCS 15 WEE WOOD | ND |
| 2015-11-19 | 4THQT 2015 WEE W | ND |
| 2016-03-24 | 1STQT16 POC WEEW | ND |
| 2016-06-23 | 2NDQT16 POC WEEW | ND |
| 2016-08-22 | 3RDQT POCS WEE W | ND |
| 2017-04-19 | 2NDQT17 RAW WEEW | ND |
| 2017-04-19 | 2NDQT17 TREAT WE | ND |
| 2017-08-10 | 3RDQT17 POCS WEE | ND |
| 2017-11-29 | POCS 4THQTR WEEW | ND |
| 2018-02-22 | POCS 2018 WEE WO | ND |
| 2018-02-27 | Q1 18 RAW POCS W | ND |
| 2018-02-27 | Q1 18 TRT POCS W | ND |
| 2018-03-29 | POCS 18 WEE WOOD | ND |
| 2018-05-10 | Q2 18 RAW POCS W | ND |
| 2018-05-10 | Q2 18 TRT POCS W | ND |
| 2018-09-25 | Q3 18 RAW POCS W | ND |
| 2018-09-25 | Q3 18 TRT POCS W | ND |
| 2018-11-27 | Q4 18 RAW POCS W | ND |
| 2018-11-27 | Q4 18 TRT POCS W | ND |
| 2019-02-19 | Q1 19 TRT POCS W | ND |
| 2019-02-19 | Q1 19 RAW POCS W | ND |
| 2019-05-28 | Q2 19 TRT POCS W | ND |
| 2019-07-24 | Q3 19 POCS WEE W | ND |
| 2019-10-03 | Q4 19 POCS WEE W | ND |