1,1,1,2-Tetrachloroethane
Levi Water Supply Corporation
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 3 | 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 |
|---|---|---|
| 2014-08-13 | AC63411 | ND |
| 2014-08-13 | AC63415 | ND |
| 2015-05-14 | AC92103 | ND |
| 2015-09-09 | AD06269 | ND |
| 2016-06-27 | AD41889 | ND |
| 2016-10-12 | AD53185 | ND |
| 2017-09-12 | AD95807 | ND |
| 2017-09-12 | AD95805 | ND |
| 2017-09-12 | AD95793 | ND |
| 2018-06-28 | AE32019 | ND |
| 2018-06-28 | AE32011 | ND |
| 2019-06-10 | AE69722 | ND |
| 2019-06-10 | AE69724 | ND |