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It is the purpose of this bulletin to indicate practical objectives for which surveys in the field of industrial hygiene may be utilized. While the analysis presented is limited to a portion of the clay, glass and stone industries of the census classification, nevertheless the methodology is fundamental and may be extended to any group of industries desired. The work has necessarily entailed the review of forms covering plants using widely differing methods of manufacture. Every effort has been made to generalize the industry under discussion and to arrange it in a manner that can be applied to all plants making similar products.
Occupational and Environmental Analysis of the Cement, Clay, and Pottery Industries. JAMA. 1938;110(5):394. doi:10.1001/jama.1938.02790050072036