1,1,1,2-Tetrachloroethane
City of Parlier
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 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 3 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-04-16 | 5810-008-0950 | ND |
2014-04-30 | 5810-007-0926 | ND |
2014-08-06 | 5810-012-1130 | ND |
2014-08-27 | 5810-010-0950 | ND |
2014-10-22 | 5810-010-1100 | ND |
2017-04-12 | 5810-007-1205 | ND |
2017-07-26 | 5810-012-1100 | ND |
2017-10-04 | 5810-010-1300 | ND |