1,1,2,2-Tetrachloroethane
Maryland American Water Company
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.
20
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 | 18 | 0 | ND |
| 2015 | ND | 2 | 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 | 0120003_02_24479 | ND |
| 2014-02-12 | 0120003_02_24872 | ND |
| 2014-02-12 | 0120003_02_24872 | ND |
| 2014-02-12 | 0120003_02_24872 | ND |
| 2014-02-12 | 0120003_02_24872 | ND |
| 2014-02-14 | 0120003_02_24873 | ND |
| 2014-02-18 | 0120003_02_24873 | ND |
| 2014-03-10 | 0120003_02_25038 | ND |
| 2014-04-08 | 0120003_02_25195 | ND |
| 2014-05-13 | 0120003_02_25671 | ND |
| 2014-05-13 | 0120003_01_25676 | ND |
| 2014-06-18 | 0120003_02_25934 | ND |
| 2014-07-16 | 0120003_02_26312 | ND |
| 2014-08-12 | 0120003_02_26567 | ND |
| 2014-09-04 | 0120003_02_00086 | ND |
| 2014-09-11 | 0120003_02_26908 | ND |
| 2014-10-15 | 0120003_02_27258 | ND |
| 2014-12-08 | 0120003_02_27708 | ND |
| 2015-01-15 | 0120003_02_28007 | ND |
| 2015-02-12 | 0120003_02_28168 | ND |