Maximum permissible level (MPL) of process equipment surface pollution by O-isobutyl-beta-n-diethylaminoethylthiol ester of methyl-phosphonic acid (substances type Vx)
Maximum allowable concentrations (MAC) of microorganism-producers, bacterial products and their components in the atmospheric air of inhabited places. Amendment No. 2 to GN 2.1.6.711-98
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