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Permissible Levels of Toxie Substanees---------Environment
Report of the sixth session of the joint ILO/WHO committee on occupational health, Reports of the joint ILO/WHO working group on the establishment of standard forms for collecting data used in determining permissible limits of toxic substances in the air of working environments, Working papers: ( criteria and procedures for assessing the toxic responses to industrial chemicals, current views on the maximum tolerable concentrations of toxic substances in the atmosphere of workplaces and criteria for their establishment
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