1,1,1,2-Tetrachloroethane
City of Lexington
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 | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-11-17 | 328698 | ND |
2015-02-17 | 343423 | ND |
2015-02-17 | 343424 | ND |
2015-03-09 | 345991 | ND |
2015-03-09 | 345992 | ND |
2016-03-07 | ND | |
2016-03-07 | ND | |
2016-03-07 | ND | |
2016-03-07 | ND | |
2017-10-24 | ND | |
2017-10-24 | ND | |
2018-03-05 | 530835 | ND |
2018-03-05 | 530836 | ND |
2018-03-05 | 530837 | ND |
2018-09-10 | 560294 | ND |
2019-02-19 | 592518 | ND |
2019-02-19 | 592519 | ND |
2019-02-19 | 592520 | ND |
2019-02-19 | 592521 | ND |