1,1,1,2-Tetrachloroethane
Columbus
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
14
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 | 5 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-20 | AI26898 | ND |
| 2014-01-20 | AI26899 | ND |
| 2014-05-05 | AI39470 | ND |
| 2014-07-30 | AI47500 | ND |
| 2014-11-03 | AI58784 | ND |
| 2015-03-24 | AI69581 | ND |
| 2015-03-24 | AI69582 | ND |
| 2016-04-25 | AJ10826 | ND |
| 2016-04-25 | AJ10827 | ND |
| 2017-06-13 | AJ57616 | ND |
| 2017-08-07 | AJ63013 | ND |
| 2018-05-14 | AJ89400 | ND |
| 2019-03-11 | AK13001 | ND |
| 2019-03-11 | AK13002 | ND |