1,1,1,2-Tetrachloroethane
Greenwood
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-07-02 | 14184005501 | ND |
| 2014-10-08 | 14282016601 | ND |
| 2015-07-08 | 15191001409 | ND |
| 2015-10-06 | 15281007701 | ND |
| 2016-07-06 | 16189016402 | ND |
| 2016-10-04 | 16280010101 | ND |
| 2017-07-03 | 17187011901 | ND |
| 2017-10-03 | 17277001301 | ND |
| 2018-07-03 | 18186013009 | ND |
| 2018-10-02 | 18277000909 | ND |
| 2019-07-08 | 19192006602 | ND |
| 2019-10-09 | 19283006801 | ND |