Maximum allowable concentrations (MAC) of harmful substances in occupational air. Amendment No. 4 to hygienic normatives "Maximum allowable concentrations (MAC) of harmful substances in occupational air: GN 2.2.5.686-98"
Maximum permissible level (MPL) of pollution for process equipment by 2-chlorovinyldichloroarsine (lewisite) at chemical weapon storage and destruction facilities
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