1,1,1,2-Tetrachloroethane
North Texas Municipal Water District Tawakoni Water Treatment Plant
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
6
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2012 | ND | 1 | 0 | ND |
2013 | ND | 1 | 0 | ND |
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2012-12-12 | 1212559004 | ND |
2013-08-20 | Q1305807006 | ND |
2014-11-10 | Q1455284004 | ND |
2015-05-28 | Q1519648001 | ND |
2016-05-25 | Q1620796006 | ND |
2017-06-27 | Q1726831005 | ND |