1,1,1,2-Tetrachloroethane
Broken Bow, City of
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
22
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 | 1 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 8 | 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 |
|---|---|---|
| 2014-04-28 | 294511 | ND |
| 2015-02-03 | 343406 | ND |
| 2015-02-03 | 343407 | ND |
| 2015-03-03 | 345977 | ND |
| 2015-03-03 | 345978 | ND |
| 2015-03-03 | 345979 | ND |
| 2015-04-21 | 353674 | ND |
| 2015-10-20 | 392269 | ND |
| 2016-04-19 | ND | |
| 2016-10-18 | ND | |
| 2017-04-17 | ND | |
| 2017-10-03 | ND | |
| 2018-02-13 | 530819 | ND |
| 2018-02-13 | 530820 | ND |
| 2018-04-24 | 542641 | ND |
| 2018-08-21 | 560282 | ND |
| 2018-08-21 | 560283 | ND |
| 2018-08-21 | 560284 | ND |
| 2018-08-21 | 560285 | ND |
| 2018-10-23 | 577113 | ND |
| 2019-04-08 | 604288 | ND |
| 2019-10-29 | 638556 | ND |