1,1,1,2-Tetrachloroethane
Deanville Water Supply Corporation
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
22
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 | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-01-30 | AC40727 | ND |
| 2014-01-30 | AC40725 | ND |
| 2015-09-10 | AD06550 | ND |
| 2015-09-10 | AD06548 | ND |
| 2015-09-10 | AD06544 | ND |
| 2015-09-10 | AD06556 | ND |
| 2016-10-27 | AD55175 | ND |
| 2016-10-27 | AD55173 | ND |
| 2016-10-27 | AD55145 | ND |
| 2016-10-27 | AD55143 | ND |
| 2017-08-30 | AD94485 | ND |
| 2017-08-30 | AD94493 | ND |
| 2017-08-30 | AD94491 | ND |
| 2017-12-14 | AE07794 | ND |
| 2018-09-12 | AE39820 | ND |
| 2018-09-12 | AE39816 | ND |
| 2018-09-12 | AE39822 | ND |
| 2018-09-12 | AE39818 | ND |
| 2019-08-06 | AE77281 | ND |
| 2019-08-06 | AE77295 | ND |
| 2019-08-06 | AE77297 | ND |
| 2019-08-06 | AE77291 | ND |