1,1,1,2-Tetrachloroethane
Cnp Utility District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 3 | 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 |
|---|---|---|
| 2014-02-26 | AC44793 | ND |
| 2014-04-03 | AC49242 | ND |
| 2015-02-02 | AC78763 | ND |
| 2015-02-02 | AC78769 | ND |
| 2016-02-09 | AD22798 | ND |
| 2016-02-09 | AD22794 | ND |
| 2017-05-10 | AD83664 | ND |
| 2017-05-10 | AD83718 | ND |
| 2017-05-10 | AD83668 | ND |
| 2018-02-07 | AE12789 | ND |
| 2018-05-02 | AE24869 | ND |
| 2019-05-20 | AE67184 | ND |
| 2019-05-20 | AE67186 | ND |