摘要
[背景]电影院装修使用多种新型材料,观影时开启集中空调,密闭门窗,大量观影人群聚集在一起,电影院的室内空气污染可能带来健康风险。[目的]了解江苏省昆山市电影院室内空气及集中空调送风的空气质量。[方法]2019年9—10月间对昆山市26家电影院室内空气[细菌总数、二氧化碳、一氧化碳、可吸入颗粒物(PM10)、甲醛、苯、甲苯、二甲苯、臭氧、总挥发性有机物]、观影眼镜(细菌总数、大肠菌群、金黄色葡萄球菌)、集中空调送风(细菌总数、真菌总数、β-溶血性链球菌、PM10)、风管内表面(细菌总数、真菌总数、积尘量)及空调冷却水(嗜肺军团菌)进行检测。依据GB 37488—2019《公共场所卫生指标及限值要求》进行室内空气和眼镜细菌指标评价,依据WS 394—2012《公共场所集中空调通风系统卫生规范》进行集中空调相关卫生指标评价。[结果]昆山市26家电影院总体合格率为92.3%(24/26)。不合格指标主要有室内空气中苯(93.6%),空调送风系统PM10(97.1%)、细菌总数(84.1%)和风管内表面细菌总数(98.6%),其他室内空气、观影眼镜、集中空调送风、风管表面和空调冷却水指标合格率均为100.0%。室内空气PM10与空调送风系统中PM10存在相关性(R2=0.5373)。[结论]昆山市电影院室内空气及中央空调送风质量总体良好,但苯存在超标现象,集中空调送风PM10、细菌总数以及风管内表面细菌总数有不同程度超标。应加大集中空调运行的技术指导和监督管理,进一步提高电影院卫生相关指标的合格率。
[Background]Movie theater audience are confined to luxury halls where central air conditioning ventilation systems(CACVS)are on and doors and windows are closed.The indoor air pollution in movie theaters may pose potential health risks.[Objective]This study investigates the quality of indoor air and air supply of CACVS in movie theaters in Kunshan City of Jiansu.[Methods]The indoor air[total bacteria,carbon dioxide,carbon oxide,particulate matters with an aerodynamic diameter less than 10μm(PM10),formaldehyde,benzene,toluene,xylene,ozone,and total volatile organic compounds],cinema glasses(total bacteria,Escherichia coli,and Staphylococcus aureus),air supply of CACVS(total bacteria,total fungi,beta hemolytic streptococcus,and PM10),air duct surface(total bacteria,total fungi,and dust accumulation),and air-conditioning cooling water(Legionella pneumophila)were monitored in 26 movie theaters of Kunshan City during September to October in 2019.The indicators of indoor air and cinema glasses were evaluated according to the Hygienic indicators and limits for public places(GB 37488—2019),and the indicators of CACVS were evaluated by the Hygienic specification of central air conditioning ventilation system in public buildings(WS 394—2012),respectively.[Results]In the selected 26 movie theaters,the overall qualification rate was 92.3%(24/26).The unqualified indicators were benzene(93.6%)in indoor air,PM10(97.1%)and total bacteria(84.1%)in air supply of CACVS,and total bacteria in air duct surface(98.6%).The other indicators of indoor air,cinema glasses,air supply of CACVS,air duct surface,and air-conditioning cooling water were all qualified(100.0%).The PM10 in indoor air and air supply of CACVS were correlated(R2=0.5373).[Conclusion]The quality of indoor air and CACVS air supply in movie theaters in Kunshan is generally good,except benzene in indoor air,PM10 and total bacteria in air supply of CACVS,and total bacteria in air duct surface which exceed the national standard limits to different degrees.Therefore,strengthening technical guidance,supervision,and management of CACVS is suggested to further improve the qualification rate of relevant hygienic indicators in movie theaters.
作者
梁晓军
陆鹏
耿政祥
张宏斌
徐建文
沈建国
LIANG Xiao-jun;LU Peng;GENG Zheng-xiang;ZHANG Hong-bin;XU Jian-wen;SHEN Jian-guo(Environmental Hygiene Department,Kunshan Center for Diseases Control and Prevention,Kunshan,Jiangsu 215301,China;Department of Health Supervision and Management,Bailu Community Health Service Center,Kunshan,Jiangsu 215301,China;Public Place Health Supervision Department,Kunshan Center of Health Supervision,Kunshan,Jiangsu 215301,China)
出处
《环境与职业医学》
CAS
CSCD
北大核心
2020年第9期882-885,890,共5页
Journal of Environmental and Occupational Medicine
基金
昆山社会科学项目(KS1765)。
关键词
电影院
室内空气
观影眼镜
集中空调
movie theater
indoor air
cinema glasses
central air conditioning ventilation system
