trans-1,2-Dichloroethylene
Frankfort Water Works
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 8 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-02-10 | 2014020385RV-140 | ND |
| 2014-02-10 | 2014020383RV-140 | ND |
| 2014-05-12 | 2014050720RV-140 | ND |
| 2014-05-12 | 2014050722RV-140 | ND |
| 2014-08-11 | 2014081116RV-140 | ND |
| 2014-08-11 | 2014081117RV-140 | ND |
| 2014-11-12 | 2014110778RV-140 | ND |
| 2014-11-12 | 2014110779RV-140 | ND |
| 2015-03-03 | 2015030248RV-150 | ND |
| 2015-03-03 | 2015030249RV-150 | ND |
| 2015-04-27 | 2015041488RV-150 | ND |
| 2015-04-27 | 2015041490RV-150 | ND |
| 2015-09-15 | 2015091469RV-150 | ND |
| 2015-09-15 | 2015091481RV-150 | ND |
| 2015-10-20 | 2015101428RV-150 | ND |
| 2015-10-20 | 2015101427RV-150 | ND |
| 2017-07-17 | 2017072508RV-170 | ND |
| 2017-07-17 | 2017072509RV-170 | ND |