Permissible levels of occupational exposure to airborne toxic substances :
Permissible levels of occupational exposure to airborne toxic substances : sixth report of the Joint ILO/WHO Committee on Occupational Health [meeting held in Geneva from 4 to 10 June 1968]
- Geneva : World Health Organization, 1969.
- 16 p.
- World Health Organization technical report series ; no. 415 .
eng fre spa.
924120415X
Air pollution.
Occupational diseases--prevention and control.
Environmental exposure.
Maximum allowable concentration.
WA 450
eng fre spa.
924120415X
Air pollution.
Occupational diseases--prevention and control.
Environmental exposure.
Maximum allowable concentration.
WA 450