[Maximum allowable concentrations of hazardous substances in workplace air approved by the Ministry of Health of the USSR in 1984].
D000395:Air Pollutants, Occupational; D008452:Maximum Allowable Concentration; D014586:USSR
D000395:Air Pollutants, Occupational
Predel'no dopustimye kontsentratsii vrednykh veshchestv v vozdukhe rabocheĭ zony, utverzhdennye Minzdravom SSSR v 1984 g.