1,1,1,2-Tetrachloroethane
Canonchet Cliffs Water Association Inc.
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 | 8 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-03-03 | 1401654-04_TO12 | ND |
2014-03-03 | 1401654-03_TO12 | ND |
2014-03-03 | 1401654-01_TO12 | ND |
2014-03-03 | 1401654-02_TO12 | ND |
2014-04-01 | 1402088-02_TO12 | ND |
2014-04-01 | 1402088-01_TO12 | ND |
2014-07-29 | 1404091-01_TO12 | ND |
2014-07-29 | 1404091-02_TO12 | ND |
2015-03-16 | 1501554-03_TO12 | ND |
2015-03-16 | 1501554-04_TO12 | ND |
2015-03-16 | 1501554-02_TO12 | ND |
2015-03-16 | 1501554-01_TO12 | ND |
2016-03-03 | 1601386-04_TO12 | ND |
2016-03-03 | 1601386-03_TO12 | ND |
2016-03-03 | 1601386-02_TO12 | ND |
2016-03-03 | 1601386-01_TO12 | ND |
2017-03-23 | 1701622-01_TO12 | ND |
2018-03-19 | 1801421-03_TO12 | ND |
2018-03-19 | 1801421-02_TO12 | ND |
2018-03-19 | 1801421-01_TO12 | ND |
2018-03-19 | 1801421-04_TO12 | ND |
2019-03-05 | 1901228-02_TO12 | ND |