1,1,1,2-Tetrachloroethane
Sudbury Water District
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 | 20 | 0 | ND |
2015 | ND | 16 | 0 | ND |
2016 | ND | 13 | 0 | ND |
2017 | ND | 17 | 0 | ND |
2018 | ND | 20 | 0 | ND |
2019 | ND | 19 | 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 |
---|---|
2014-01-07 | ND |
2014-01-07 | ND |
2014-01-07 | ND |
2014-01-07 | ND |
2014-05-06 | ND |
2014-05-06 | ND |
2014-05-06 | ND |
2014-05-06 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-23 | ND |
2014-07-23 | ND |
2014-10-21 | ND |
2014-10-21 | ND |
2014-10-21 | ND |
2014-10-21 | ND |
2015-01-06 | ND |
2015-01-06 | ND |
2015-01-06 | ND |
2015-01-06 | ND |
2015-04-16 | ND |
2015-04-22 | ND |
2015-04-22 | ND |
2015-04-22 | ND |
2015-04-22 | ND |
2015-07-07 | ND |
2015-07-07 | ND |
2015-07-07 | ND |
2015-07-07 | ND |
2015-07-07 | ND |
2015-07-07 | ND |
2015-10-06 | ND |
2016-01-05 | ND |
2016-03-15 | ND |
2016-03-15 | ND |
2016-04-06 | ND |
2016-04-06 | ND |
2016-07-12 | ND |
2016-07-12 | ND |
2016-07-12 | ND |
2016-07-12 | ND |
2016-07-12 | ND |
2016-07-12 | ND |
2016-10-04 | ND |
2016-10-04 | ND |
2017-01-10 | ND |
2017-01-10 | ND |
2017-01-10 | ND |
2017-01-10 | ND |
2017-04-04 | ND |
2017-04-04 | ND |
2017-04-04 | ND |
2017-07-11 | ND |
2017-07-11 | ND |
2017-07-11 | ND |
2017-07-11 | ND |
2017-07-11 | ND |
2017-07-11 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2018-02-06 | ND |
2018-02-06 | ND |
2018-02-06 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-07-10 | ND |
2018-10-10 | ND |
2018-10-10 | ND |
2018-10-10 | ND |
2018-10-10 | ND |
2019-01-08 | ND |
2019-01-08 | ND |
2019-01-08 | ND |
2019-04-02 | ND |
2019-04-02 | ND |
2019-04-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-02 | ND |
2019-07-16 | ND |
2019-10-08 | ND |
2019-10-08 | ND |
2019-10-08 | ND |
2019-10-08 | ND |