1,1,1,2-Tetrachloroethane
Calhoun
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 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 |
|---|---|---|
| 2014-03-18 | AI36161 | ND |
| 2014-03-18 | AI36162 | ND |
| 2015-03-02 | AI65724 | ND |
| 2015-04-13 | AI74630 | ND |
| 2016-03-07 | AJ07668 | ND |
| 2016-03-07 | AJ07669 | ND |
| 2017-05-15 | AJ55388 | ND |
| 2017-06-07 | AJ56973 | ND |
| 2018-02-26 | AJ84512 | ND |
| 2018-02-26 | AJ84513 | ND |
| 2019-04-29 | AK16001 | ND |
| 2019-04-29 | AK16002 | ND |