In Shandong Zibo Storage Battery Factory ,ventilation equipments were installed to lower the concentration of lead fume/dust.Yet the concentration of lead fume/dust was still higher than the hygienic standard.The correlation between the concentration of lead fume/dust and the attack of lead poisoning was analysed.By the method of Stepwise regression it was shown that there were Significant relation between the concentration of lead fume and the attack of lead poisoning when exposing to lead fume; and signif...