1,1,1,2-Tetrachloroethane
Saint Paul Park
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2015-01-22 | 15A0769-01 | ND |
| 2015-01-22 | 15A0769-02 | ND |
| 2015-01-22 | 15A0769-03 | ND |
| 2016-08-30 | 3536460 | ND |
| 2016-08-30 | 3536510 | ND |
| 2016-08-30 | 3536528 | ND |
| 2018-01-25 | 18A0879-01 | ND |
| 2018-01-25 | 18A0879-02 | ND |
| 2018-01-25 | 18A0879-03 | ND |