The pesticide exposure of the agricultural worker has formed part of the research investigation of the Community Pesticide Studies of Dade County. Health effects have been studied in the areas of acute, occupational and incidental exposure. In contrast to other areas of the United States, acute pesticide poisonings in this work group have resulted more from spray procedures and misuse rather than from crop and leaf residue intoxications. Case studies of these intoxications are presented. With regard to occupational exposure, significant cholinesterase inhibition had been noted in a group of 300 agricultural workers; increased organochlorine residues were observed and levels were as high as pesticide formulators. These biological indices of pesticide exposure were related to SMA-12 data and blood pressures. The interpretation of these and other findings are described in this report.