1,1,1,2-Tetrachloroethane
Waukesha Water Utility
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
18
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 | 7 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 7 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-03-26 | 776755 | ND |
| 2014-03-26 | 776753 | ND |
| 2014-05-07 | 784419 | ND |
| 2014-05-07 | 784422 | ND |
| 2014-05-07 | 784425 | ND |
| 2014-06-11 | 796100 | ND |
| 2014-06-11 | 796103 | ND |
| 2015-03-10 | 847851 | ND |
| 2015-03-10 | 847853 | ND |
| 2015-03-11 | 847855 | ND |
| 2015-09-29 | 886380 | ND |
| 2017-03-28 | 980078 | ND |
| 2017-03-28 | 980084 | ND |
| 2017-03-28 | 980081 | ND |
| 2017-05-02 | 986361 | ND |
| 2017-05-02 | 986364 | ND |
| 2017-05-31 | 994537 | ND |
| 2017-05-31 | 994540 | ND |