1,1,2,2-Tetrachloroethane
Maywood Mutual Water Company #1
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.
14
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
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 | 3 | 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 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 |
|---|---|---|
| 2014-03-21 | 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 |
| 2017-07-25 | 3761-003-1250 | 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 |