1,1,1,2-Tetrachloroethane
Evergreen Homeowners Association
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 | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 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 |
---|---|---|
2014-05-05 | JH1402806POC | ND |
2014-05-05 | JH1402805POCS | ND |
2015-06-23 | JH1503889POCS | ND |
2015-06-23 | JH1503889-POCS | ND |
2015-06-23 | JH1402806POCS | ND |
2016-03-08 | JH1601699-POCS | ND |
2016-03-08 | JH1601700-POCS | ND |
2016-10-12 | JH1609342-POCS | ND |
2016-10-12 | JH1609341-POCS | ND |
2017-04-04 | JH1702409-POCS | ND |
2017-04-04 | JH1702411-POCS | ND |
2018-09-10 | JH1807308-POCS | ND |
2018-09-10 | JH1807312-POCS | ND |
2019-08-06 | JH1905503-POCS | ND |
2019-08-06 | JH1905502-POCS | ND |