Correspondence between various individuals. Names include Louis F. Saylor, director of California Dept. of Public Health; Brunel C. Christensen, director of California Dept. of Food and Agriculture; Keith T. Maddy of Inspection Services; A. G. Salter, president of Industry Committee on Citrus Additives and Pesticides, Inc.; Matt Mello, chairman of the Agricultural Chemicals Committee; Thomas Corn, Agricultural Commissioner; Office of Pesticide Programs of the EPA; and others.