trans-1,2-Dichloroethylene
Woodstock
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 15 | 0 | ND |
2019 | ND | 10 | 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 |
---|---|---|
2018-04-10 | AJ87090 | ND |
2018-04-10 | AJ87089 | ND |
2018-04-10 | AJ87088 | ND |
2018-04-10 | AJ87087 | ND |
2018-04-10 | AJ87086 | ND |
2018-07-10 | AJ93446 | ND |
2018-07-10 | AJ93445 | ND |
2018-07-10 | AJ93444 | ND |
2018-07-10 | AJ93443 | ND |
2018-07-10 | AJ93442 | ND |
2018-12-18 | AK08331 | ND |
2018-12-18 | AK08333 | ND |
2018-12-18 | AK08332 | ND |
2018-12-18 | AK08330 | ND |
2018-12-18 | AK08329 | ND |
2019-01-08 | AK09031 | ND |
2019-01-08 | AK09030 | ND |
2019-01-08 | AK09029 | ND |
2019-01-08 | AK09028 | ND |
2019-01-08 | AK09027 | ND |
2019-04-15 | AK15169 | ND |
2019-04-15 | AK15173 | ND |
2019-04-15 | AK15172 | ND |
2019-04-15 | AK15171 | ND |
2019-04-15 | AK15170 | ND |