1,1,1,2-Tetrachloroethane
Floyd County
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
18
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 | 6 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-03-18 | AI36204 | ND |
| 2014-04-09 | AI37698 | ND |
| 2015-02-24 | AI65405 | ND |
| 2015-02-24 | AI65404 | ND |
| 2015-02-24 | AI65403 | ND |
| 2015-06-03 | AI78696 | ND |
| 2015-07-14 | AI82874 | ND |
| 2015-10-13 | AI92694 | ND |
| 2016-01-25 | AJ04875 | ND |
| 2016-01-25 | AJ04874 | ND |
| 2017-05-09 | AJ55010 | ND |
| 2017-05-09 | AJ55009 | ND |
| 2018-02-26 | AJ84509 | ND |
| 2018-02-26 | AJ84508 | ND |
| 2018-02-26 | AJ84507 | ND |
| 2018-02-26 | AJ84506 | ND |
| 2019-04-03 | AK14481 | ND |
| 2019-04-03 | AK14482 | ND |