1,1,1,2-Tetrachloroethane
City of Corsicana
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 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 |
|---|---|---|
| 2014-07-23 | Q1430464005 | ND |
| 2014-07-23 | Q1430464008 | ND |
| 2015-07-29 | Q1529448006 | ND |
| 2015-07-29 | Q1529448007 | ND |
| 2016-07-12 | Q1628094002 | ND |
| 2016-07-12 | Q1628094003 | ND |
| 2017-07-26 | Q1730737002 | ND |
| 2017-07-26 | Q1730737006 | ND |
| 2018-07-17 | Q1828588001 | ND |
| 2018-07-17 | Q1828588004 | ND |
| 2019-07-29 | Q1948665001 | ND |
| 2019-09-24 | Q1968203001 | ND |