1,1,2,2-Tetrachloroethane
North Fork Creek II
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.
12
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-10-15 | Q1452618004 | ND |
| 2014-10-15 | Q1452618001 | ND |
| 2015-11-03 | Q1543214002 | ND |
| 2015-11-03 | Q1543214004 | ND |
| 2016-10-26 | Q1645771005 | ND |
| 2016-10-26 | Q1645771002 | ND |
| 2017-12-07 | Q1763640005 | ND |
| 2017-12-07 | Q1763640008 | ND |
| 2018-10-04 | Q1839789001 | ND |
| 2018-10-04 | Q1839789004 | ND |
| 2019-01-30 | Q1904582001 | ND |
| 2019-04-03 | Q1913497002 | ND |