1,1,1,2-Tetrachloroethane
North Attleboro Water Department
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 | 7 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 7 | 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 | Result |
---|---|
2014-03-05 | ND |
2014-06-02 | ND |
2014-09-03 | ND |
2014-09-03 | ND |
2014-12-03 | ND |
2014-12-03 | ND |
2014-12-03 | ND |
2015-03-03 | ND |
2015-06-03 | ND |
2015-09-02 | ND |
2015-09-02 | ND |
2015-12-03 | ND |
2015-12-03 | ND |
2015-12-03 | ND |
2015-12-15 | ND |
2016-03-01 | ND |
2016-06-07 | ND |
2016-09-07 | ND |
2016-09-07 | ND |
2016-12-07 | ND |
2016-12-07 | ND |
2016-12-07 | ND |
2017-09-06 | ND |
2017-12-04 | ND |
2017-12-04 | ND |
2017-12-04 | ND |
2018-09-13 | ND |
2018-12-03 | ND |
2018-12-03 | ND |
2018-12-03 | ND |
2019-02-20 | ND |
2019-02-20 | ND |
2019-02-20 | ND |
2019-09-04 | ND |
2019-12-04 | ND |
2019-12-04 | ND |
2019-12-04 | ND |