1,1,1,2-Tetrachloroethane
Union PWS
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 | 6 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 6 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-08-20 | AC33767 | ND |
2014-08-20 | AC33768 | ND |
2014-08-20 | AC33769 | ND |
2014-09-09 | AC34961 | ND |
2014-09-09 | AC34962 | ND |
2014-09-09 | AC34963 | ND |
2015-10-28 | AC62087 | ND |
2017-08-21 | AD04322 | ND |
2017-08-21 | AD04321 | ND |
2017-08-21 | AD04317 | ND |
2017-08-22 | AD04318 | ND |
2017-08-22 | AD04320 | ND |
2017-08-22 | AD04319 | ND |