ZINC CHLORIDE, ZINC OXIDE, HYDROCHLORIC ACID EXPOSURE AND DENTAL EROSION IN A ZINC GALVANIZING PLANT IN THE NETHERLANDS

A study was made of workplace conditions in a hot dip galvanizing plant in the Netherlands. An extended monitoring programme was carried out for hydrochloric acid and zinc fumes. For hydrochloric acid a new sampling method was developed with a sampling time of 5 min. By combining this stationary method with the observed activity pattern of the picklers personal exposures were calculated. The picklers were estimated to work 27% of their time in concentrations above the MAC-C value. About 70% of the zinc fumes was present in the form of zinc chloride; most earlier investigators ascribed the fume... Mehr ...