1,1,1,2-Tetrachloroethane
Kimzey Regional Water District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
14
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 | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-03-17 | 14079002301 | ND |
| 2014-11-17 | 14324002501 | ND |
| 2015-01-26 | 15029005201 | ND |
| 2015-10-07 | 15282003501 | ND |
| 2016-01-07 | 16008011909 | ND |
| 2016-01-25 | 16028002509 | ND |
| 2016-11-22 | 16327002701 | ND |
| 2017-01-03 | 17005010801 | ND |
| 2017-10-02 | 17278007901 | ND |
| 2018-01-23 | 18025001601 | ND |
| 2018-10-03 | 18277014001 | ND |
| 2019-01-08 | 19010004909 | ND |
| 2019-10-03 | 19277000901 | ND |
| 2019-11-18 | 19324000101 | ND |