1,1,1,2-Tetrachloroethane
Myrtlewood 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 | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-03-18 | 140318027-1 | ND |
2015-02-03 | 150203028-3 | ND |
2015-02-03 | 150203028-2 | ND |
2015-02-03 | 150203028-1 | ND |
2016-02-01 | 160201056-1 | ND |
2017-02-06 | 170206069-1 | ND |
2018-02-08 | 180209002-2 | ND |
2018-02-08 | 180209002-1 | ND |
2019-02-04 | 19020070-001A | ND |