Toxic Substances Hydrology Program
 |
Toxics Home About The Program Research Projects Crosscutting Topics Headlines Publications Meetings Photo Gallery Frequently Asked Questions Links to Other Sources |
|
||
Heterocyclic CompoundsChemical compounds that are composed of one or more aromatic rings that contain nitrogen, sulfur, or oxygen in the ring structure. For example, quinoline (C9H7N), a nitrogen-containing compound, is the largest single component in the water-soluble fraction of creosote. More Information
|
|
|||
|
|
||||
