1,1,1,2-Tetrachloroethane
Jordanelle Special Service District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
24
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 | 4 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 6 | 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 | Result |
|---|---|
| 2014-08-19 | ND |
| 2014-08-19 | ND |
| 2015-06-10 | ND |
| 2015-08-18 | ND |
| 2016-04-27 | ND |
| 2016-08-10 | ND |
| 2016-09-20 | ND |
| 2016-11-16 | ND |
| 2017-01-18 | ND |
| 2017-04-12 | ND |
| 2017-07-12 | ND |
| 2017-07-12 | ND |
| 2017-10-16 | ND |
| 2018-01-10 | ND |
| 2018-04-09 | ND |
| 2018-07-03 | ND |
| 2018-07-18 | ND |
| 2018-10-16 | ND |
| 2019-01-08 | ND |
| 2019-04-23 | ND |
| 2019-06-27 | ND |
| 2019-06-27 | ND |
| 2019-07-29 | ND |
| 2019-10-16 | ND |