1,1,1,2-Tetrachloroethane
Dover Air Force Base
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 | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-12-31 | S553966 | ND |
2014-12-31 | S553967 | ND |
2015-01-21 | S588732 | ND |
2015-10-19 | S614737 | ND |
2015-10-19 | S614738 | ND |
2016-08-16 | S670439 | ND |
2016-08-16 | S670440 | ND |
2017-08-31 | S737028 | ND |
2017-08-31 | S737030 | ND |
2018-01-17 | S770546 | ND |
2018-08-16 | S812165 | ND |
2018-08-17 | S812163 | ND |
2019-08-08 | S865165 | ND |
2019-08-08 | S865169 | ND |