1,1,1,2-Tetrachloroethane
Danville
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-03-18 | 14079006801 | ND |
| 2014-11-18 | 14324003901 | ND |
| 2015-10-21 | 15295005501 | ND |
| 2016-01-12 | 16015000209 | ND |
| 2016-10-12 | 16288004601 | ND |
| 2017-01-11 | 17013000201 | ND |
| 2017-10-16 | 17292000601 | ND |
| 2018-10-08 | 18283004201 | ND |
| 2019-01-16 | 19017008009 | ND |