2010—2012年常熟市蓄电池生产企业空气中铅的检测结果

Detection results of lead in the air of storage battery manufacturers of Changshu City from 2010-2012

目的了解常熟市9家蓄电池生产企业专项整治前后工作场所空气中铅浓度变化情况,以评价其整治效果。方法采用单因素ANOVA Dunnett’s统计方法,对2010、2011、2012年的铅烟及铅尘检测结果进行两两比较。结果 2011年(0.047 mg/m3)、2012年(0.031 mg/m3)铅烟检测结果明显优于2010年(0.13 mg/m3),2011年(0.086 mg/m3)铅尘检测结果优于2010年(0.48 mg/m3),2012年(0.035 mg/m3)铅尘检测结果优于2011年(0.086 mg/m3)(P<0.05)。结论目前,该市蓄电池生产企业工作场所空气中铅烟及铅尘浓度得到了有效的控制。

[ Objective ] To understand the changes in air lead concentration of 9 storage battery manufacturers in Changshu City be-fore and after special rectification. [ Methods] Pairwise comparisons of test results of lead fume and dust in year 2010, 2011,2012 were performed by using statistical method of one-way ANOVA Dunnett＇ s. [ Results ] The test results of lead fume in 2011 （ 0.047 mg/m^3） and 2012（0. 031 mg/m^3 ） were significantly better than that in 2010（0.13 mg/m^3 ）. The results of lead dust in 2011 （ 0. 086 mg/m^3 ） was better than that in 2010 （ 0.48 mg/m^3 ）, and 2012 （ 0. 035 mg/m^3 ） better and 2011 （ 0. 086 mg/m^3 ）. [ Conclusion] The air lead concentration in workplace of storage battery manufacturers has been well controlled in Changshu City