1,1,1,2-Tetrachloroethane
Taney County Public Water Supply District 3
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 10 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 10 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-06-02 | AC72878 | ND |
| 2016-06-02 | AC72880 | ND |
| 2016-06-02 | AC72874 | ND |
| 2016-06-02 | AC72879 | ND |
| 2016-06-02 | AC72877 | ND |
| 2016-06-02 | AC72876 | ND |
| 2016-06-02 | AC72875 | ND |
| 2016-06-02 | AC72871 | ND |
| 2016-06-02 | AC72872 | ND |
| 2016-07-05 | AC79534 | ND |
| 2019-05-23 | AD47756 | ND |
| 2019-05-23 | AD47755 | ND |
| 2019-05-23 | AD47754 | ND |
| 2019-05-23 | AD47753 | ND |
| 2019-05-23 | AD47752 | ND |
| 2019-05-23 | AD47751 | ND |
| 2019-05-23 | AD47750 | ND |
| 2019-05-23 | AD47749 | ND |
| 2019-05-23 | AD47748 | ND |
| 2019-05-23 | AD47747 | ND |