Maximum allowable concentration (MAC) of O-isobutyl-beta-n-diethylaminoethylthiol ester of methyl-phosphonic acid (substance of type Vx) in soils of the regions of location of chemical weapon storage and disposal facilities
Reference impact safe levels (RISL) of pollutants in air of working zone. Amendment No. 3 to hygienic normatives "Reference impact safe levels (RISL) of harmful substances in occupational air: GN 2.2.5.687-98"