1,1,2,2-Tetrachloroethane
Sierra Madre Water Department
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-05-12 | 9588-007-1125 | ND |
2014-05-12 | 9588-006-1055 | ND |
2014-05-12 | 9588-005-1105 | ND |
2014-05-12 | 9588-004-1045 | ND |
2014-05-12 | 9588-003-1030 | ND |
2015-05-13 | 9588-006-1020 | ND |
2015-05-13 | 9588-007-0840 | ND |
2015-05-13 | 9588-003-1115 | ND |
2015-05-13 | 9588-005-0940 | ND |
2015-05-13 | 9588-004-1000 | ND |
2016-05-03 | 9588-003-0815 | ND |
2016-05-03 | 9588-005-0830 | ND |
2016-05-03 | 9588-006-0900 | ND |
2016-05-03 | 9588-004-0845 | ND |
2016-05-03 | 9588-007-0920 | ND |
2017-05-03 | 9588-005-0930 | ND |
2017-05-03 | 9588-003-1030 | ND |
2017-05-03 | 9588-004-1045 | ND |
2017-05-03 | 9588-006-0940 | ND |
2017-05-03 | 9588-007-1010 | ND |
2018-05-03 | 9588-004-1110 | ND |
2018-05-03 | 9588-003-1100 | ND |
2018-05-03 | 9588-007-1050 | ND |
2018-05-03 | 9588-006-1040 | ND |
2018-05-03 | 9588-005-1030 | ND |
2019-05-08 | 9588-006-1015 | ND |
2019-05-08 | 9588-007-0940 | ND |
2019-05-08 | 9588-003-0950 | ND |
2019-05-08 | 9588-005-1000 | ND |
2019-05-08 | 9588-004-1010 | ND |