Hesperian Health Guides: Pesticides are Poison
Chapter 14: Pesticides Are Poison from the Hesperian.org health guide: A Community Guide to Environmental Health.
WPS Medical Evaluation Resources for Clinicians
Includes EPA manual "How to Comply With the 2015 Revised Worker Protection Standard For Agricultural Pesticides - What Owners and Employers Need To Know" and an excerpt specifically for clininicians regarding medical evaluation and respirator fit test. See also the medical evaluation questions in English and Spanish.