1,1,1,2-Tetrachloroethane
Niles
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
26
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 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 14 | 0 | ND |
| 2019 | ND | 10 | 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 |
|---|---|---|
| 2014-08-05 | LLF31177 | ND |
| 2014-08-05 | LLF31179 | ND |
| 2018-03-05 | LLH68935 | ND |
| 2018-03-05 | LLH68936 | ND |
| 2018-06-25 | LLH88920 | ND |
| 2018-06-25 | LLH88921 | ND |
| 2018-06-25 | LLH88919 | ND |
| 2018-08-06 | LLH97146 | ND |
| 2018-08-06 | LLH97147 | ND |
| 2018-08-06 | LLH97145 | ND |
| 2018-09-13 | LLI05494 | ND |
| 2018-09-17 | LLI06128 | ND |
| 2018-09-17 | LLI06127 | ND |
| 2018-09-17 | LLI06126 | ND |
| 2018-11-27 | LLI16872 | ND |
| 2018-11-27 | LLI16871 | ND |
| 2019-02-11 | LLI25176 | ND |
| 2019-02-11 | LLI25175 | ND |
| 2019-02-11 | LLI25174 | ND |
| 2019-06-19 | LLI44899 | ND |
| 2019-06-19 | LLI44898 | ND |
| 2019-09-17 | LLI64906 | ND |
| 2019-09-17 | LLI64907 | ND |
| 2019-09-17 | LLI64908 | ND |
| 2019-12-10 | LLI82613 | ND |
| 2019-12-10 | LLI82612 | ND |