1,1,1,2-Tetrachloroethane
Coon Rapids
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
19
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 | 10 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-07-15 | 14G0993-02 | ND |
| 2014-07-15 | 14G0995-04 | ND |
| 2014-07-15 | 14G0995-03 | ND |
| 2014-07-15 | 14G0995-02 | ND |
| 2014-07-15 | 14G0995-01 | ND |
| 2014-07-15 | 14G0994-04 | ND |
| 2014-07-15 | 14G0994-03 | ND |
| 2014-07-15 | 14G0994-02 | ND |
| 2014-07-15 | 14G0993-03 | ND |
| 2014-07-15 | 14G0993-01 | ND |
| 2016-08-04 | 3513263 | ND |
| 2016-08-04 | 3513415 | ND |
| 2016-08-04 | 3513464 | ND |
| 2016-10-05 | 3559819 | ND |
| 2016-10-05 | 3559968 | ND |
| 2017-07-25 | 17G1723-02 | ND |
| 2017-07-25 | 17G1723-03 | ND |
| 2017-12-12 | 17L0466-02 | ND |
| 2018-09-12 | 18I0556-01 | ND |