Text ( visual ) : unmediated Chemical information manual. -- 2nd ed. -- Washington, D.C. : Government Institutes , 1991. -- 1 v. (various pagings) ; 28 cm. -- Includes bibliographical references ; At head of title: U.S. Department of Labor, Occupational Safety and Health Administration ; "OSHA Instruction CPL 2-2.43A, Directorate of Technical Support, Jul. 1 1991"-- I-1. -- ISBN 0865872651 ; (BA21953713) ; https://ci.nii.ac.jp/ncid/BA21953713 Author Heading(s): United States. Occupational Safety and Health Administration. -- Subject Heading(s): LCSH : Chemicals -- Physiological effect -- Handbooks, manuals, etc ; LCSH : Chemical workers -- Handbooks, manuals, etc ; LCSH : Work environment -- Effect of chemicals on -- Handbooks, manuals, etc

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