1,1,1,2-Tetrachloroethane
Thomasville Water Works & Sewer Board
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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-03-12 | 140312098-1 | ND |
2014-04-21 | 140421053-1 | ND |
2014-07-21 | 140721036-1 | ND |
2014-10-24 | 141024023-1 | ND |
2015-04-20 | 150420030-1 | ND |
2016-01-19 | 160119029-1 | ND |
2017-01-20 | 170120030-1 | ND |
2018-01-19 | 180119042-1 | ND |
2019-01-21 | 19010552-001A | ND |