1,1,1,2-Tetrachloroethane
Boone County PWSD 9
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 5 | 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 |
---|---|---|
2015-02-18 | AC42745 | ND |
2015-02-18 | AC42741 | ND |
2015-02-18 | AC42743 | ND |
2015-02-18 | AC42742 | ND |
2015-02-18 | AC42744 | ND |
2018-06-04 | AD19133 | ND |
2018-06-04 | AD19134 | ND |
2018-06-04 | AD19135 | ND |
2018-06-04 | AD19136 | ND |
2018-06-04 | AD19137 | ND |