1,1,1,2-Tetrachloroethane
Old Egypt Subdivision
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
24
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 | 6 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-07-14 | AC59516 | ND |
| 2014-07-14 | AC59518 | ND |
| 2014-07-14 | AC59522 | ND |
| 2014-08-13 | AC63417 | ND |
| 2014-08-13 | AC63423 | ND |
| 2014-08-13 | AC63421 | ND |
| 2015-05-05 | AC90556 | ND |
| 2015-05-05 | AC90560 | ND |
| 2015-05-05 | AC90558 | ND |
| 2016-02-17 | AD23975 | ND |
| 2016-02-17 | AD23973 | ND |
| 2016-02-17 | AD23947 | ND |
| 2017-07-26 | AD90869 | ND |
| 2017-07-26 | AD90865 | ND |
| 2017-07-26 | AD90861 | ND |
| 2018-04-26 | AE24166 | ND |
| 2018-04-26 | AE24162 | ND |
| 2018-04-26 | AE24152 | ND |
| 2019-04-16 | AE62570 | ND |
| 2019-04-16 | AE62568 | ND |
| 2019-04-16 | AE62560 | ND |
| 2019-04-16 | AE62562 | ND |
| 2019-07-11 | AE74188 | ND |
| 2019-12-06 | AE91686 | ND |