1,1,1,2-Tetrachloroethane
Elk River
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 10 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-05-05 | 14E0839-01 | ND |
2014-05-05 | 14E0839-02 | ND |
2014-05-05 | 14E0835-03 | ND |
2016-03-21 | 3417728 | ND |
2017-11-01 | 17K0137-01 | ND |
2017-11-01 | 17K0138-01 | ND |
2018-01-23 | 18A0771-01 | ND |
2018-03-13 | 18C0479-02 | ND |
2018-03-13 | 18C0479-03 | ND |
2018-03-13 | 18C0479-01 | ND |
2018-03-13 | 18C0478-01 | ND |
2018-05-08 | 18E0607-01 | ND |
2018-07-31 | 18G2014-01 | ND |
2018-07-31 | 18G2014-02 | ND |
2018-12-06 | 18L0232-01 | ND |
2018-12-06 | 18L0232-02 | ND |
2019-01-23 | 19A0796-01 | ND |
2019-01-23 | 19A0796-02 | ND |
2019-10-30 | 19J1749-01 | ND |