1,1,1,2-Tetrachloroethane
Oakridge Water District
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 | 6 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 5 | 0 | ND |
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 |
---|---|---|
2014-08-28 | AQ17981POCS | ND |
2014-08-28 | AQ17979POCS | ND |
2015-02-18 | 1.500404POCS | ND |
2015-02-18 | 1.500405POCS | ND |
2015-02-18 | 1.500403 | ND |
2015-02-18 | 1.500403POCS | ND |
2015-02-18 | 1.500402 | ND |
2015-02-18 | 1.500402POCS | ND |
2018-09-25 | 420-143128-4POCS | ND |
2018-09-25 | 420-143128-2POCS | ND |
2018-09-25 | 420-143128-3POCS | ND |
2018-09-25 | 420-143128-5POCS | ND |
2018-09-25 | 420-143128-1POCS | ND |