1,1,1,2-Tetrachloroethane
Opp Utilities Board
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-08-20 | 375-082014-VOC-1 | ND |
| 2016-09-06 | 37509062016-4V | ND |
| 2016-09-06 | 37509062016-3V | ND |
| 2016-09-06 | 37509062016-1V | ND |
| 2016-09-06 | 37509062016-5V | ND |
| 2016-09-06 | 37509062016-2V | ND |
| 2019-02-20 | 187669-01VOC | ND |
| 2019-02-20 | 187669-04VOC | ND |
| 2019-02-20 | 187669-05VOC | ND |
| 2019-02-20 | 187669-06VOC | ND |
| 2019-02-20 | 187669-07VOC | ND |
| 2019-02-20 | 187669-03VOC | ND |