1,1,1,2-Tetrachloroethane
Marco Rural Water Company
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 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 8 | 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 |
---|---|---|
2014-03-04 | AD36307 | ND |
2014-06-10 | AD41057 | ND |
2019-12-02 | AE40915 | ND |
2019-12-02 | AE40929 | ND |
2019-12-03 | AE41076 | ND |
2019-12-03 | AE41048 | ND |
2019-12-03 | AE41049 | ND |
2019-12-03 | AE41072 | ND |
2019-12-03 | AE41074 | ND |
2019-12-30 | AE42210 | ND |