1,1,1,2-Tetrachloroethane
City of Horseshoe Bay
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 | 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 |
---|---|---|
2014-08-14 | AC63675 | ND |
2014-08-14 | AC63677 | ND |
2015-08-03 | AD02089 | ND |
2015-08-03 | AD02081 | ND |
2016-07-20 | AD44977 | ND |
2016-07-20 | AD45005 | ND |
2017-07-06 | AD88504 | ND |
2017-07-06 | AD88512 | ND |
2018-07-05 | AE32454 | ND |
2018-07-05 | AE32446 | ND |
2019-09-04 | AE82025 | ND |
2019-09-04 | AE82027 | ND |