1,1,2,2-Tetrachloroethane
California Water Service Co-lake Hughes
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 |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-10-07 | 5701-001-1335 | ND |
2014-11-04 | 5701-008-1457 | ND |
2014-12-22 | 9590-005-1208 | ND |
2015-07-21 | 5701-001-1551 | ND |
2015-07-21 | 5701-005-1534 | ND |
2015-10-20 | 5701-008-1100 | ND |
2016-07-19 | 5701-001-1420 | ND |
2016-07-19 | 5701-005-1351 | ND |
2016-10-18 | 5701-008-1140 | ND |
2017-04-11 | 5701-008-1320 | ND |
2017-07-27 | 5701-005-1327 | ND |
2017-07-27 | 5701-001-1349 | ND |
2018-04-17 | 9590-008-1355 | ND |
2018-07-17 | 5701-005-0949 | ND |
2018-07-17 | 5701-001-1420 | ND |
2019-04-16 | 5701-008-1130 | ND |
2019-07-22 | 5701-005-1502 | ND |
2019-07-23 | 5701-001-1425 | ND |
2019-10-15 | 5701-008-1035 | ND |