1,1,2,2-Tetrachloroethane
Washington Suburban Sanitary Commission
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.
28
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 24 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-01-14 | 0150005_01_AC148 | ND |
| 2014-01-14 | 0150005_02_AC147 | ND |
| 2014-02-04 | 0150005_01_AC170 | ND |
| 2014-03-04 | 0150005_01_AC197 | ND |
| 2014-03-04 | 0150005_02_AC196 | ND |
| 2014-04-08 | 0150005_01_AC237 | ND |
| 2014-04-08 | 0150005_02_AC237 | ND |
| 2014-05-06 | 0150005_02_AC270 | ND |
| 2014-05-06 | 0150005_01_AC271 | ND |
| 2014-06-03 | 0150005_01_AC301 | ND |
| 2014-06-03 | 0150005_02_AC300 | ND |
| 2014-06-03 | 0150005_02_AC300 | ND |
| 2014-07-08 | 0150005_01_AC339 | ND |
| 2014-07-08 | 0150005_02_AC338 | ND |
| 2014-08-05 | 0150005_01_AC369 | ND |
| 2014-08-05 | 0150005_02_AC369 | ND |
| 2014-09-02 | 0150005_01_AC398 | ND |
| 2014-09-02 | 0150005_02_AC396 | ND |
| 2014-10-07 | 0150005_01_AC442 | ND |
| 2014-10-07 | 0150005_02_AC441 | ND |
| 2014-11-04 | 0150005_01_AC476 | ND |
| 2014-11-04 | 0150005_02_AC475 | ND |
| 2014-12-02 | 0150005_01_AC502 | ND |
| 2014-12-02 | 0150005_02_AC501 | ND |
| 2015-01-22 | 0150005_01_AC550 | ND |
| 2015-01-22 | 0150005_02_AC550 | ND |
| 2015-02-03 | 0150005_01_AC564 | ND |
| 2015-02-03 | 0150005_02_AC562 | ND |