1,1,1,2-Tetrachloroethane
North Texas Municipal Water District Wylie Water Treatment Plant
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
17
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-08-01 | Q1433373008 | ND |
| 2014-08-01 | Q1433373006 | ND |
| 2014-08-01 | Q1433373004 | ND |
| 2015-09-18 | Q1536877003 | ND |
| 2015-09-18 | Q1536877005 | ND |
| 2015-09-18 | Q1536877001 | ND |
| 2016-09-06 | Q1635670001 | ND |
| 2016-09-06 | Q1635670006 | ND |
| 2016-09-06 | Q1635670004 | ND |
| 2017-09-26 | Q1746572004 | ND |
| 2017-09-26 | Q1746572002 | ND |
| 2018-09-17 | Q1836833016 | ND |
| 2018-09-17 | Q1836833014 | ND |
| 2018-09-17 | Q1836833012 | ND |
| 2019-01-15 | Q1902044002 | ND |
| 2019-08-02 | Q1950721001 | ND |
| 2019-08-02 | Q1950721003 | ND |