Any decisions regarding a particular facility will be made based on the applicable statutes and regulations. Therefore, interested parties are free to raise questions and objections about the appropriateness of any recommendations in the guidance with respect to a particular situation, and U.S. EPA will consider whether or not the recommendations in the guidance are appropriate in that situation. U.S. EPA may change the guidance contained in this Toolkit in the future, as appropriate. Important Navigation Hints Blue or red text indicates active links to Toolkit modules and module contents. Links will be established as EPA completes development of those items.
Arrows generally indicate a return to the top of the page or table of contents.
For the Regulatory Contacts module, the additional navigation button, a magnifying glass, indicates a return to the map and search functions. In addition, search hints are also provided on several toolkit module pages. Prior to 1990, the CAA required EPA to set standards for each HAP on an individual basis according to its particular health risk. Accordingly, in the 1990 amendments to the CAA, Congress directed EPA to replace the original approach with one based on what technology could currently achieve. Even though both statutes give us the authority to regulate these emissions, we determined that having emissions standards and permitting requirements in both sets of implementing regulations would be duplicative.