1,1,1,2-Tetrachloroethane
City of Waxahachie
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 | 3 | 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 |
|---|---|---|
| 2014-03-19 | Q1408832010 | ND |
| 2014-06-04 | Q1419411005 | ND |
| 2014-07-31 | Q1432876007 | ND |
| 2015-04-27 | Q1515456001 | ND |
| 2015-07-23 | Q1528705001 | ND |
| 2016-01-21 | Q1602735001 | ND |
| 2016-09-01 | Q1635064002 | ND |
| 2017-04-12 | Q1715005008 | ND |
| 2017-07-10 | Q1727841006 | ND |
| 2018-01-25 | Q1802982010 | ND |
| 2018-08-13 | Q1832216003 | ND |
| 2019-04-29 | Q1916965011 | ND |
| 2019-07-25 | Q1947719001 | ND |