1,1,1,2-Tetrachloroethane
Lake Elizabeth Mutual Water Company
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-03-11 | 5867-007-1020 | ND |
| 2014-10-23 | 5867-006-0800 | ND |
| 2015-10-28 | 5867-006-1045 | ND |
| 2016-10-26 | 5867-006-0745 | ND |
| 2016-11-28 | 5867-007-0910 | ND |
| 2017-03-28 | 5867-007-0800 | ND |
| 2017-10-11 | 5867-006-0730 | ND |
| 2018-03-13 | 5867-007-0830 | ND |
| 2018-10-04 | 5867-006-0830 | ND |
| 2019-03-07 | 5867-007-1000 | ND |
| 2019-10-08 | 5867-006-0800 | ND |