1,1,1,2-Tetrachloroethane
Armadillo Woods Subdivision
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 | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 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 |
---|---|---|
2014-01-29 | AC40634 | ND |
2015-07-14 | AC99397 | ND |
2015-07-14 | AC99401 | ND |
2016-02-17 | AD23959 | ND |
2016-04-14 | AD33230 | ND |
2016-04-14 | AD33228 | ND |
2017-05-03 | AD82494 | ND |
2017-05-03 | AD82498 | ND |
2018-01-22 | AE09613 | ND |
2018-01-22 | AE09617 | ND |
2019-08-07 | AE77503 | ND |
2019-08-07 | AE77497 | ND |