1,1,1,2-Tetrachloroethane
Maywood Mutual Water Company #1
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-03-21 | 9588-002-1315 | ND |
2014-06-25 | 9588-003-0905 | ND |
2014-07-17 | 9588-003-1045 | ND |
2015-03-26 | 9588-002-1025 | ND |
2016-02-05 | 9588-002-1036 | ND |
2016-02-05 | 9588-003-0955 | ND |
2017-01-20 | 9588-003-1230 | ND |
2017-06-01 | 9588-002-0904 | ND |
2018-06-29 | 9588-002-0925 | ND |
2018-06-29 | 9588-003-0905 | ND |
2018-10-22 | 9588-003-0905 | ND |
2019-06-25 | 9588-002-0910 | ND |
2019-10-15 | 9588-003-0910 | ND |