1,1,1,2-Tetrachloroethane
Woodglen Prd Water System
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-12-22 | 74668 | ND |
2015-06-09 | 22200 | ND |
2016-06-20 | ND | |
2016-12-30 | ND | |
2017-12-27 | ND | |
2018-03-21 | ND | |
2018-06-28 | ND | |
2018-09-24 | ND | |
2019-03-28 | ND | |
2019-06-24 | ND | |
2019-09-30 | ND | |
2019-10-21 | ND |