GLOSSARY OF TERMS AND ACRONYMS A B C D E F G H I J K L M N O P Q R S T U V W X Y Z F Frequently Asked Questions (FAQs) Superfund's Frequently Asked Questions (FAQs) provides the public with explanations of some commonly misunderstood concepts and answers to some basic and general questions about the Superfund program. Federal Facilities Restoration and Reuse Office (FFRRO) EPA's Federal Facilities Restoration and Reuse Office (FFRRO) facilitates faster, more effective, and less costly cleanup and reuse of Federal facilities. FFRRO works with the DOD, DOE and other federal entities to help them develop creative, cost-effective solutions to their environmental problems. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) requires EPA registration for all pesticides sold in the U.S. It also regulates the manufacture and use of pesticides and allows EPA to restrict or prohibit use of particularly harmful pesticides.