Maximum allowable concentrations (MAC) of microorganism-producers, bacterial products and their components in the atmospheric air of inhabited places. Amendment No. 1 to GN 2.1.6.711-98
Emergency exposure limits (EEL) of O-isobutyl-beta-n-diethylaminoethylthiol ester of methyl-phosphonic acid in the air of working area of facilities for storage and disposal of chemical weapons
Maximum permissible levels (MPL) of O-isobutyl-beta-n-diethylaminoethylthiol ester of methyl-phosphonic acid (substance of type Vx) for skin of the personnel of chemical weapon storage and disposal facilities