1,1,1,2-Tetrachloroethane
Crystal Clear WSC
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
16
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 | ND | 5 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-09-04 | AC65845 | ND |
| 2015-07-30 | AD01820 | ND |
| 2015-07-30 | AD01810 | ND |
| 2015-12-07 | AD15746 | ND |
| 2015-12-07 | AD15742 | ND |
| 2015-12-07 | AD15736 | ND |
| 2016-03-16 | AD29061 | ND |
| 2016-03-16 | AD29065 | ND |
| 2016-06-07 | AD39628 | ND |
| 2017-02-07 | AD69210 | ND |
| 2017-02-07 | AD69216 | ND |
| 2018-02-13 | AE13586 | ND |
| 2018-02-13 | AE13582 | ND |
| 2018-08-09 | AE36386 | ND |
| 2019-01-28 | AE51626 | ND |
| 2019-01-28 | AE51624 | ND |