1,1,1,2-Tetrachloroethane
Salem, Village of
NOTE: Salem, Village of purchases water from Richardson County Rural Water District 2 which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Richardson County Rural Water District 2.
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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
NOTE: Salem, Village of purchases water from Richardson County Rural Water District 2 which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Richardson County Rural Water District 2.
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-29 | 324640 | ND |
| 2014-09-29 | 324641 | ND |
| 2015-03-16 | 348746 | ND |
| 2015-03-16 | 348747 | ND |
| 2015-06-15 | 364985 | ND |
| 2015-06-15 | 364986 | ND |
| 2015-09-21 | 378772 | ND |
| 2015-09-21 | 378773 | ND |
| 2015-12-14 | 402237 | ND |
| 2015-12-14 | 402238 | ND |
| 2016-09-12 | ND | |
| 2016-09-12 | ND | |
| 2017-09-18 | ND | |
| 2017-09-18 | ND | |
| 2018-09-17 | 571936 | ND |
| 2018-09-17 | 571937 | ND |
| 2019-09-03 | 630424 | ND |
| 2019-09-03 | 630425 | ND |
| 2019-12-02 | 646925 | ND |
| 2019-12-02 | 646926 | ND |