1,1,1,2-Tetrachloroethane
Burr Oak
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2018-03-08 | LLH69426 | ND |
| 2018-05-30 | LLH82924 | ND |
| 2018-08-27 | LLI01494 | ND |
| 2018-11-19 | LLI15978 | ND |
| 2018-11-19 | LLI15976 | ND |
| 2018-11-19 | LLI15977 | ND |
| 2019-03-07 | LLI28317 | ND |
| 2019-06-27 | LLI46828 | ND |
| 2019-07-24 | LLI52063 | ND |
| 2019-10-10 | LLI70511 | ND |
| 2019-12-27 | LLI86075 | ND |