1,1,1,2-Tetrachloroethane
Talley Water Supply Corporation
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 1 | 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 |
---|---|---|
2014-12-11 | Q1459826002 | ND |
2015-10-27 | Q1542395002 | ND |
2015-10-27 | Q1542395004 | ND |
2016-07-28 | Q1631046008 | ND |
2016-07-28 | Q1631046002 | ND |
2017-08-03 | Q1732601008 | ND |
2017-08-03 | Q1732601002 | ND |
2018-07-25 | Q1829519008 | ND |
2018-07-25 | Q1829519011 | ND |
2019-05-06 | Q1920205001 | ND |
2019-05-06 | Q1920205003 | ND |