1,1,1,2-Tetrachloroethane
Murray City Water System
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 15 | 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 |
---|---|
2014-06-27 | ND |
2014-09-17 | ND |
2014-09-29 | ND |
2015-08-26 | ND |
2016-04-20 | ND |
2016-05-09 | ND |
2016-06-06 | ND |
2016-06-06 | ND |
2016-06-08 | ND |
2016-06-08 | ND |
2016-06-09 | ND |
2016-06-09 | ND |
2016-06-13 | ND |
2016-06-14 | ND |
2016-06-15 | ND |
2016-06-17 | ND |
2016-06-17 | ND |
2016-09-29 | ND |
2017-04-28 | ND |
2017-06-22 | ND |
2018-02-05 | ND |
2018-10-05 | ND |
2019-03-08 | ND |
2019-03-08 | ND |
2019-05-22 | ND |
2019-05-22 | ND |
2019-05-30 | ND |
2019-05-30 | ND |
2019-06-05 | ND |
2019-06-05 | ND |
2019-06-12 | ND |
2019-06-12 | ND |
2019-06-13 | ND |
2019-06-13 | ND |
2019-06-19 | ND |
2019-06-21 | ND |
2019-06-21 | ND |