1,1,1,2-Tetrachloroethane
Newtown Artesian Water Company
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 | 5 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-06-11 | L5105173-6 | ND |
2014-06-11 | L5105173-7 | ND |
2014-06-11 | L5105173-8 | ND |
2014-06-11 | L5105173-10 | ND |
2014-06-11 | L5105173-9 | ND |
2015-06-09 | 12867340 | ND |
2015-06-16 | 12867423 | ND |
2016-06-15 | 14388913 | ND |
2016-06-15 | 14388965 | ND |
2017-06-16 | 16240452 | ND |
2017-06-16 | 16240504 | ND |
2017-06-19 | 16240556 | ND |
2018-07-26 | L7056979-1 | ND |
2018-07-26 | L7056979-2 | ND |
2018-07-26 | L7056979-3 | ND |