trans-1,2-Dichloroethylene
Rio Rancho Water and Waterworks Services
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 | 12 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 9 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-26 | 2014006958 | ND |
2014-02-26 | 2014006954 | ND |
2014-02-26 | 2014006952 | ND |
2014-02-26 | 2014006946 | ND |
2014-02-26 | 2014006949 | ND |
2014-02-26 | 2014006950 | ND |
2014-02-26 | 2014006951 | ND |
2014-02-26 | 2014006953 | ND |
2014-02-26 | 2014006948 | ND |
2014-03-20 | 2014009391 | ND |
2014-09-11 | 2014029131 | ND |
2014-09-11 | 2014029132 | ND |
2017-02-08 | 2017003717 | ND |
2017-02-08 | 2017003723 | ND |
2017-02-08 | 2017003719 | ND |
2017-02-08 | 2017003722 | ND |
2017-02-08 | 2017003718 | ND |
2017-02-08 | 2017003720 | ND |
2017-02-08 | 2017003721 | ND |
2017-10-27 | 2017030984 | ND |
2017-10-27 | 2017030983 | ND |
2018-08-16 | 2018022994 | ND |