1,1,1,2-Tetrachloroethane
Polk County Water Authority
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-04-29 | AI38936 | ND |
2015-03-25 | AI69670 | ND |
2016-04-04 | AJ09249 | ND |
2016-04-04 | AJ09250 | ND |
2016-04-04 | AJ09251 | ND |
2017-06-06 | AJ56773 | ND |
2018-05-14 | AJ89403 | ND |
2019-04-29 | AK15975 | ND |
2019-04-29 | AK15976 | ND |
2019-04-29 | AK15977 | ND |