trans-1,2-Dichloroethylene
Shady Acres Inc.
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 5 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene 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 harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-03-11 | 1401752-02_TO12 | ND |
2014-03-11 | 1401752-03_TO12 | ND |
2014-04-01 | 1402087-02_TO12 | ND |
2014-09-15 | 1405019-02_TO12 | ND |
2014-12-11 | 1405912-02_TO12 | ND |
2015-03-24 | 1501650-02_TO12 | ND |
2015-11-04 | 1504646-01_TO12 | ND |
2016-03-01 | 1601354-03_TO12 | ND |
2016-10-24 | 1605095-03_TO12 | ND |
2017-03-15 | 1701490-02_TO12 | ND |
2018-03-14 | 1801372-02_TO12 | ND |
2019-03-21 | 1901426-02_TO12 | ND |
2019-10-30 | 1904717-03_TO12 | ND |