1,1,2,2-Tetrachloroethane
City of Watsonville
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.
29
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 | 15 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 14 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-02-19 | 9590-009-1430 | ND |
| 2014-03-19 | 9590-004-0800 | ND |
| 2014-03-19 | 9590-030-0900 | ND |
| 2014-03-19 | 9590-029-0845 | ND |
| 2014-03-19 | 9590-016-0900 | ND |
| 2014-03-19 | 9590-015-0805 | ND |
| 2014-03-19 | 9590-014-0740 | ND |
| 2014-03-19 | 9590-013-0835 | ND |
| 2014-03-19 | 9590-012-0920 | ND |
| 2014-03-19 | 9590-011-1000 | ND |
| 2014-03-19 | 9590-010-0915 | ND |
| 2014-03-19 | 9590-009-1100 | ND |
| 2014-03-19 | 9590-007-0840 | ND |
| 2014-03-19 | 9590-006-0800 | ND |
| 2014-03-19 | 9590-005-0745 | ND |
| 2017-03-15 | 9590-004-1040 | ND |
| 2017-03-15 | 9590-030-1100 | ND |
| 2017-03-15 | 9590-029-0830 | ND |
| 2017-03-15 | 9590-016-0840 | ND |
| 2017-03-15 | 9590-015-1010 | ND |
| 2017-03-15 | 9590-014-0825 | ND |
| 2017-03-15 | 9590-013-0945 | ND |
| 2017-03-15 | 9590-012-0935 | ND |
| 2017-03-15 | 9590-011-1010 | ND |
| 2017-03-15 | 9590-010-0955 | ND |
| 2017-03-15 | 9590-009-1030 | ND |
| 2017-03-15 | 9590-007-1100 | ND |
| 2017-03-15 | 9590-006-0910 | ND |
| 2017-03-15 | 9590-005-0905 | ND |