1,1,1,2-Tetrachloroethane
City of Devine
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 | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-01-13 | AC38549 | ND |
2014-08-11 | AC62821 | ND |
2015-01-22 | AC77347 | ND |
2015-01-22 | AC77345 | ND |
2015-12-02 | AD15218 | ND |
2016-01-11 | AD17372 | ND |
2016-01-11 | AD17370 | ND |
2016-01-11 | AD17358 | ND |
2017-02-06 | AD68773 | ND |
2017-02-06 | AD68813 | ND |
2017-02-06 | AD68765 | ND |
2017-02-06 | AD68771 | ND |
2018-01-25 | AE10626 | ND |
2018-01-25 | AE10652 | ND |
2018-01-25 | AE10650 | ND |
2019-04-10 | AE61822 | ND |
2019-04-10 | AE61820 | ND |