1,1,1,2-Tetrachloroethane
Vernon Water Department
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 7 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 11 | 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 |
---|---|---|
2016-02-25 | 9588-006-0920 | ND |
2016-02-25 | 9588-011-0935 | ND |
2016-02-25 | 9588-009-0950 | ND |
2016-05-26 | 9588-014-0920 | ND |
2016-05-26 | 9588-010-0850 | ND |
2016-08-29 | 9588-013-0955 | ND |
2016-11-28 | 9588-010-0920 | ND |
2017-02-23 | 9588-011-0925 | ND |
2017-02-23 | 9588-006-0915 | ND |
2017-02-23 | 9588-009-0930 | ND |
2017-02-23 | 9588-010-0900 | ND |
2017-05-24 | 9588-014-0955 | ND |
2017-05-24 | 9588-010-0905 | ND |
2017-08-24 | 9588-013-1010 | ND |
2017-08-24 | 9588-005-0920 | ND |
2018-02-22 | 9588-009-0935 | ND |
2018-02-22 | 9588-006-0955 | ND |
2018-02-22 | 9588-011-1010 | ND |
2018-05-24 | 9588-014-0950 | ND |
2018-08-30 | 9588-013-0900 | ND |
2019-01-14 | 9588-010-1017 | ND |
2019-02-28 | 9588-009-0915 | ND |
2019-02-28 | 9588-006-0925 | ND |
2019-05-09 | 9588-010-1005 | ND |
2019-05-23 | 9588-014-1050 | ND |
2019-07-17 | 9588-010-0920 | ND |
2019-08-20 | 9588-013-0920 | ND |
2019-08-20 | 9588-010-0845 | ND |
2019-09-30 | 9588-005-1300 | ND |
2019-11-27 | 9588-005-0815 | ND |
2019-12-12 | 9588-010-0830 | ND |