1,1,1,2-Tetrachloroethane
Tarkington Special Utility 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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 4 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2015-05-19 | AC92611 | ND |
2015-05-19 | AC92613 | ND |
2015-09-25 | AD08776 | ND |
2015-10-08 | AD10032 | ND |
2016-03-21 | AD29623 | ND |
2016-03-21 | AD29635 | ND |
2016-03-21 | AD29589 | ND |
2016-03-21 | AD29587 | ND |
2016-09-26 | AD51148 | ND |
2016-10-20 | AD54099 | ND |
2017-09-11 | AD95513 | ND |
2017-09-11 | AD95515 | ND |
2018-07-18 | AE33808 | ND |
2018-07-18 | AE33806 | ND |
2019-03-19 | AE59021 | ND |
2019-03-19 | AE59027 | ND |