Hygienic criteria for rating the necessity for setting up MACS and TSELS of harmful substances in the occupational air, the ambient air of residential areas and the water of water bodies
Maximum allowable concentrations (MAC) of harmful substances in occupational air. Amendment No. 2 to hygienic normatives "Maximum allowable concentrations (MAC) of harmful substances in occupational air: GN 2.2.5.686-98" dated 04.02.98
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