1,1,1,2-Tetrachloroethane
Clayton County Water Authority
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-10 | AI27790 | ND |
2014-02-10 | AI27791 | ND |
2015-02-17 | AI64997 | ND |
2015-02-17 | AI64998 | ND |
2016-02-05 | AJ05932 | ND |
2016-02-05 | AJ05933 | ND |
2017-04-18 | AJ53560 | ND |
2017-04-18 | AJ53561 | ND |
2018-02-01 | AJ82950 | ND |
2018-02-01 | AJ82951 | ND |
2019-03-06 | AK12718 | ND |
2019-03-06 | AK12719 | ND |