This document provides a general overview of human toxicity, provides a listing of laboratory animal and wildlife toxicities and a cross reference of the chemical, common and trade names of the substituted benzene PTO Clutches pesticides registered for use in Florida.This document is PI-61, Sheets one of a series of the Pesticide Information Office, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida.Original publication date September 1, 2005.