1,1,1,2-Tetrachloroethane
Gum Springs Water Supply Corporation 1
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 | 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 |
---|---|---|
2014-05-22 | Q1417600002 | ND |
2015-08-13 | Q1532211001 | ND |
2015-08-13 | Q1532211007 | ND |
2016-03-03 | Q1609181004 | ND |
2016-03-03 | Q1609181005 | ND |
2017-03-09 | Q1710183001 | ND |
2017-03-09 | Q1710183004 | ND |
2018-02-27 | Q1808381006 | ND |
2018-02-27 | Q1808381001 | ND |
2019-07-11 | Q1944045001 | ND |
2019-07-11 | Q1944045003 | ND |