1,1,1,2-Tetrachloroethane
Newport Center 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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2015-03-23 | 1503-05159-001 | ND |
2015-03-23 | 1503-05159-002 | ND |
2018-03-19 | 1803-06002-001 | ND |
2018-03-19 | 1803-06002-002 | ND |
2018-08-28 | 1808-21826-001 | ND |
2018-12-19 | 1812-32671-001 | ND |
2019-03-28 | 1903-06812-001 | ND |
2019-06-18 | 1906-14335-001 | ND |
2019-12-30 | 2001-00162-001 | ND |