1,1,1,2-Tetrachloroethane
G & W Water Supply Corporation Field Store
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 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2015-01-27 | AC77959 | ND |
2016-07-07 | AD43355 | ND |
2017-02-23 | AD71781 | ND |
2018-03-06 | AE17018 | ND |
2018-08-31 | AE39163 | ND |
2018-11-13 | AE45936 | ND |
2019-01-17 | AE50396 | ND |
2019-01-17 | AE50406 | ND |
2019-04-05 | AE61430 | ND |