1,1,1,2-Tetrachloroethane
Pinesdale, Town of
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
10
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-06-11 | B14061292-001D | ND |
| 2014-06-11 | B14061292-002D | ND |
| 2014-11-18 | B14111482-001C | ND |
| 2015-10-07 | B15100871-001A | ND |
| 2016-09-14 | B16091397-001A | ND |
| 2017-11-15 | B17111533-001C | ND |
| 2017-11-15 | B17111533-002C | ND |
| 2018-09-13 | B18091516-001D | ND |
| 2018-09-13 | B18091516-002C | ND |
| 2019-05-13 | B19051310-001A | ND |