1,1,1,2-Tetrachloroethane
Deforest South
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 | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2014-04-16 | 442697 | ND |
2014-08-20 | 152634001 | ND |
2014-11-12 | 168094001 | ND |
2015-02-09 | 178652001 | ND |
2015-04-27 | 189821001 | ND |
2015-09-15 | 217480001 | ND |
2015-10-20 | 224585001 | ND |
2016-05-02 | 251979001 | ND |
2016-09-19 | 278234001 | ND |
2017-09-28 | 345589001 | ND |