1,1,2,2-Tetrachloroethane
City of Rohnert 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.
31
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 | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 14 | 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 |
|---|---|---|
| 2015-10-27 | 9541-031-0903 | ND |
| 2017-07-18 | 1610-041-1100 | ND |
| 2017-07-18 | 1610-008-1000 | ND |
| 2017-07-18 | 1610-009-1030 | ND |
| 2017-07-18 | 1610-010-0855 | ND |
| 2017-07-18 | 1610-011-0831 | ND |
| 2017-07-18 | 1610-014-0920 | ND |
| 2017-07-18 | 1610-016-0800 | ND |
| 2017-08-01 | 1610-044-0905 | ND |
| 2018-05-15 | 1610-002-0918 | ND |
| 2018-05-15 | 1610-039-0945 | ND |
| 2018-05-15 | 1610-035-1040 | ND |
| 2018-05-15 | 1610-034-1031 | ND |
| 2018-05-15 | 1610-033-1050 | ND |
| 2018-05-15 | 1610-030-0850 | ND |
| 2018-05-15 | 1610-029-0830 | ND |
| 2018-05-15 | 1610-018-0815 | ND |
| 2018-05-15 | 1610-005-0902 | ND |
| 2018-05-15 | 1610-004-0930 | ND |
| 2018-05-15 | 1610-001-0800 | ND |
| 2018-05-17 | 1610-021-0830 | ND |
| 2018-05-17 | 1610-040-0930 | ND |
| 2018-11-06 | 1610-006-0900 | ND |
| 2019-03-05 | 1610-013-1030 | ND |
| 2019-09-10 | 1610-021-0905 | ND |
| 2019-09-10 | 1610-018-0835 | ND |
| 2019-09-10 | 1610-006-0820 | ND |
| 2019-09-10 | 1610-033-0835 | ND |
| 2019-09-10 | 1610-034-0937 | ND |
| 2019-09-10 | 1610-035-0950 | ND |
| 2019-09-10 | 1610-004-0914 | ND |