title: THE CLASSIFICATION OF HAZARDOUS OCCUPATIONS.
abstract: In this paper Doctor Hayhurst describes the six classifications for hazardous occupations which were employed in a survey made in Ohio. He also explains, by text and diagram, the process of analyzing, upon a standard formula, the hazard of an individual case.
authors.affiliation: Division of Industrial Hygiene, Ohio State Board of Health, Columbus, Ohio.
authors.forename: E R
authors.initials: ER
authors.lastname: Hayhurst