1,1,1,2-Tetrachloroethane
Calhoun County Water and Fire Protection 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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-05-20 | 140520017-1 | ND |
2014-06-25 | 140625052-1 | ND |
2014-06-25 | 140625052-2 | ND |
2015-05-18 | 150519001-1 | ND |
2016-03-21 | 160321027-1 | ND |
2016-05-19 | 160519024-1 | ND |
2016-12-01 | 161201077-1 | ND |
2017-02-22 | 170222065-2 | ND |
2017-02-22 | 170222065-1 | ND |
2017-03-09 | 170309034-1 | ND |
2017-05-19 | 170519042-1 | ND |
2017-06-05 | 170605055-1 | ND |
2017-08-08 | 170808022-1 | ND |
2018-02-22 | 180222038-1 | ND |
2018-05-21 | 180521039-1 | ND |
2019-02-21 | 19020672-002A | ND |
2019-02-21 | 19020672-001A | ND |
2019-05-20 | 19050584-001A | ND |