Bulletin #2331, Maine Farm Safety Program: Using and Selecting Respirators (PDF) By Dawna L. Cyr, Farm Safety Project Assistant, and Steven B. Johnson, Ph.D., Extension Crops Specialist For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Respirators protect the lungs from many airborne health hazards on