2006-2015年营口市儿童房环境空气污染水平调查

目的 了解近年来营口市儿童房环境空气污染状况.方法 于2006-2015年调查营口市124户家庭的儿童房,按照国标方法进行甲醛、氨、苯、甲苯、二甲苯的浓度检测和评价.结果 甲醛、氨、苯、甲苯、二甲苯的平均浓度分别为0.089、0.15、0.008、0.053、0.056 mg/m3,超标率分别为23.4％,24.6％,0.8％,8.1％,8.1％.结论 2006-2015年营口市儿童房环境空气中的主要污染物为甲醛和氨.

Air pollution in children's rooms in Yingkou in 2006-2015

Objective To know the air quality of children's room and the levels of indoor air pollution in Yingkou.Methods The indoor air samples were collected from the children's rooms of 124 families in Yingkou in 2006-2015,and acetylacetone spectrophotometric method,Nessler's reagent colorimetric method and gas chromatography were used to determine formaldehyde,ammonia,benzene,toluene and xylene respectively.Results The average concentration of air pollutants were as follows:formaldehyde 0.089 mg/m3,ammonia 0.15 mg/m3,benzene 0.008 mg/m3,toluene 0.053 mg/m3,xylene 0.056 mg/m3,and the disqualified rates were 23.4％,24.6％,0.8％,8.1％ and 8.1％ respectively.Conclusion Formaldehyde and ammonia are the dominant indoor air pollutants in children's room in Yingkou.