1,1,1,2-Tetrachloroethane
Rosebrook Water
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 | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-14 | 128211.01 | ND |
2014-04-08 | 130316.01 | ND |
2014-07-01 | 133130.01 | ND |
2014-10-07 | 136569.01 | ND |
2014-10-07 | 136570.01 | ND |
2015-03-03 | 140973.01 | ND |
2015-04-07 | 141939.01 | ND |
2015-07-21 | 145948.01 | ND |
2015-10-19 | 149322.01 | ND |
2015-10-19 | 149322.02 | ND |
2016-01-05 | 151873.01 | ND |
2016-04-11 | 154734.01 | ND |
2016-07-05 | 157890.01 | ND |
2016-10-04 | 161154.01 | ND |
2016-10-04 | 161151.01 | ND |
2017-01-03 | 164323.01 | ND |