1,1,1,2-Tetrachloroethane
Morro Bay PW Department - Water Division
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 8 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 8 | 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 |
---|---|---|
2015-05-05 | 5867-005-0840 | ND |
2015-05-05 | 5867-006-0845 | ND |
2015-05-05 | 5867-016-1055 | ND |
2015-05-05 | 5867-019-0910 | ND |
2015-05-05 | 5867-020-0915 | ND |
2015-05-05 | 5867-030-0745 | ND |
2015-05-05 | 5867-031-0750 | ND |
2015-05-05 | 5867-032-0830 | ND |
2018-05-01 | 5867-005-0919 | ND |
2018-05-01 | 5867-006-0930 | ND |
2018-05-01 | 5867-016-1010 | ND |
2018-05-01 | 5867-019-0938 | ND |
2018-05-01 | 5867-020-0950 | ND |
2018-05-01 | 5867-030-0822 | ND |
2018-05-01 | 5867-031-0833 | ND |
2018-05-01 | 5867-032-0905 | ND |