trans-1,2-Dichloroethylene
Elkhart Public Works and Utilities
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 3 | 0 | ND |
2019 | ND | 8 | 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 |
---|---|---|
2015-12-11 | 3372926RV-1504 | ND |
2015-12-11 | 3372927RV-1504 | ND |
2015-12-11 | 3372928RV-1504 | ND |
2018-11-16 | 18112225NWWF | ND |
2018-11-16 | 18112225RV-1804 | ND |
2018-11-16 | 18112225SWF | ND |
2019-03-26 | 4241458 | ND |
2019-03-26 | 4241459 | ND |
2019-03-26 | 4241460 | ND |
2019-07-26 | 460074 | ND |
2019-08-23 | 463036 | ND |
2019-09-27 | 467152 | ND |
2019-10-25 | 469503 | ND |
2019-11-22 | 472060 | ND |