1,1,1,2-Tetrachloroethane
Benkelman, City of
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
28
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | 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 |
|---|---|---|
| 2014-09-22 | 324649 | ND |
| 2014-09-22 | 324648 | ND |
| 2015-03-16 | 348751 | ND |
| 2015-03-16 | 348750 | ND |
| 2015-06-15 | 364989 | ND |
| 2015-06-15 | 364990 | ND |
| 2015-09-21 | 378776 | ND |
| 2015-09-21 | 378777 | ND |
| 2015-12-14 | 402241 | ND |
| 2015-12-14 | 402242 | ND |
| 2016-03-14 | ND | |
| 2016-03-14 | ND | |
| 2016-06-20 | ND | |
| 2016-06-20 | ND | |
| 2016-09-20 | ND | |
| 2016-09-20 | ND | |
| 2016-12-19 | ND | |
| 2016-12-19 | ND | |
| 2017-03-20 | ND | |
| 2017-03-20 | ND | |
| 2017-06-19 | ND | |
| 2017-06-19 | ND | |
| 2017-09-18 | ND | |
| 2017-09-18 | ND | |
| 2017-10-23 | ND | |
| 2018-09-10 | 571944 | ND |
| 2018-09-10 | 571945 | ND |
| 2019-09-09 | 630431 | ND |