1,1,1,2-Tetrachloroethane
Hope Water Light Comm.
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 | 3 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 7 | 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 |
---|---|---|
2014-08-19 | 14233009001 | ND |
2014-10-29 | 14303002701 | ND |
2015-07-08 | 15190002101 | ND |
2015-10-08 | 15282005601 | ND |
2015-10-20 | 15296000401 | ND |
2016-07-05 | 16189010801 | ND |
2016-07-05 | 16189010901 | ND |
2016-07-05 | 16189011001 | ND |
2016-07-05 | 16189011101 | ND |
2016-07-05 | 16189011201 | ND |
2016-07-05 | 16189011301 | ND |
2016-10-05 | 16280008901 | ND |
2017-07-18 | 17200003901 | ND |
2017-10-03 | 17278002101 | ND |
2018-07-24 | 18207000701 | ND |
2018-10-03 | 18277006201 | ND |
2018-12-04 | 18340005501 | ND |
2019-08-05 | 19220002601 | ND |
2019-08-05 | 19220002501 | ND |
2019-08-05 | 19220002701 | ND |
2019-08-05 | 19220002901 | ND |
2019-08-05 | 19220002801 | ND |
2019-08-05 | 19220002301 | ND |
2019-10-29 | 19304000701 | ND |