1,1,1,2-Tetrachloroethane
Fort Bend County Municipal Utility District 146
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-20 | AC43869 | ND |
2014-02-20 | AC43877 | ND |
2015-02-02 | AC78779 | ND |
2015-02-02 | AC78773 | ND |
2016-11-22 | AD59052 | ND |
2016-11-22 | AD59064 | ND |
2017-03-21 | AD76035 | ND |
2017-03-21 | AD76039 | ND |
2018-05-16 | AE26586 | ND |
2018-05-16 | AE26590 | ND |
2019-07-23 | AE75581 | ND |
2019-07-23 | AE75583 | ND |