1,1,1,2-Tetrachloroethane
Easthampton 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 15 | 0 | ND |
2015 | ND | 13 | 0 | ND |
2016 | ND | 16 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 13 | 0 | ND |
2019 | ND | 13 | 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 |
---|---|
2014-01-14 | ND |
2014-01-14 | ND |
2014-01-14 | ND |
2014-05-07 | ND |
2014-05-07 | ND |
2014-05-07 | ND |
2014-09-17 | ND |
2014-09-17 | ND |
2014-09-17 | ND |
2014-09-17 | ND |
2014-09-17 | ND |
2014-09-17 | ND |
2014-12-01 | ND |
2014-12-01 | ND |
2014-12-01 | ND |
2015-03-23 | ND |
2015-03-23 | ND |
2015-03-23 | ND |
2015-05-12 | ND |
2015-05-12 | ND |
2015-05-12 | ND |
2015-08-18 | ND |
2015-08-18 | ND |
2015-08-18 | ND |
2015-08-18 | ND |
2015-11-16 | ND |
2015-11-16 | ND |
2015-11-16 | ND |
2016-01-11 | ND |
2016-01-11 | ND |
2016-01-11 | ND |
2016-02-22 | ND |
2016-02-22 | ND |
2016-02-22 | ND |
2016-06-06 | ND |
2016-06-06 | ND |
2016-06-06 | ND |
2016-08-29 | ND |
2016-08-29 | ND |
2016-08-29 | ND |
2016-08-29 | ND |
2016-10-27 | ND |
2016-10-27 | ND |
2016-10-27 | ND |
2017-08-23 | ND |
2017-08-23 | ND |
2017-08-23 | ND |
2017-08-23 | ND |
2017-08-23 | ND |
2017-08-23 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2018-03-06 | ND |
2018-03-06 | ND |
2018-03-06 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-08-22 | ND |
2018-08-22 | ND |
2018-08-22 | ND |
2018-08-22 | ND |
2018-12-05 | ND |
2018-12-05 | ND |
2018-12-05 | ND |
2019-03-11 | ND |
2019-03-11 | ND |
2019-03-11 | ND |
2019-06-11 | ND |
2019-06-11 | ND |
2019-06-11 | ND |
2019-08-21 | ND |
2019-08-21 | ND |
2019-08-21 | ND |
2019-08-21 | ND |
2019-12-09 | ND |
2019-12-09 | ND |
2019-12-09 | ND |