1,1,1,2-Tetrachloroethane
Western Greene
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 3 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-06 | 14219000501 | ND |
| 2015-01-14 | 15015009201 | ND |
| 2015-09-08 | 15252004101 | ND |
| 2016-07-27 | 16210000801 | ND |
| 2016-11-21 | 16328000704 | ND |
| 2017-01-11 | 17012006809 | ND |
| 2017-05-09 | 17130006308 | ND |
| 2017-07-18 | 17200000808 | ND |
| 2017-07-18 | 17200000701 | ND |
| 2018-01-09 | 18012000701 | ND |
| 2018-04-10 | 18101010101 | ND |
| 2018-08-28 | 18242002701 | ND |
| 2019-08-07 | 19220013501 | ND |