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
Reference impact safe levels (RISL) of pollutants in air of working zone. Amendment No. 2 to hygienic normatives "Reference impact safe levels (RISL) of harmful substances in occupational air: GN 2.2.5.687-98" dated 04.02.98