摘要
目的通过开展4类公共场所空气中苯系物的污染监测工作,了解齐齐哈尔市重点公共场所室内空气卫生基本现状。方法2021—2022年采用随机抽样方法选取齐齐哈尔市116家重点公共场所的246个采样点作为监测对象,采集246份空气样品开展室内空气中苯系物(苯、甲苯和二甲苯)监测调查。采用二次热解析-气相色谱法进行实验室检测,结合问卷调查结果,采用SPSS 22.0软件进行数据分析,率的比较采用χ2检验,以P<0.05为差异有统计学意义。结果2021—2022年齐齐哈尔市对4类公共场所开展的室内空气中苯系物监测总体合格率为98.78%(243/246),有3份样品检出超标(超标率为1.22%)。3种苯系物监测合格率分别为:苯98.78%(243/246)、甲苯100.00%(246/246)和二甲苯100.00%(246/246),合格率的差异有统计学意义(χ~2=6.024,P=0.049)。4类公共场所苯系物的监测合格率分别为:宾馆(酒店)98.48%(65/66)、理发店100.00%(27/27)、健身房100.00%(9/9)、美容店100.00%(14/14),合格率的差异无统计学意义(χ~2=0.764,P=0.858)。3种苯系物的检出率为:苯30.49%、甲苯56.50%和二甲苯85.77%,呈现出二甲苯污染最重、甲苯次之、苯较轻的状况。4类公共场所室内苯系物检出率分别为:宾馆(酒店)98.48%、理发店88.89%、健身房100.00%和美容店78.57%。健身房中苯系物污染最重,其次是宾馆(酒店),再次是理发店、美容店。结论2021—2022年齐齐哈尔市4类公共场所室内苯系物广泛存在,普遍都有检出,存在健康风险,需继续开展此项监测工作。
Objective By conducting pollution monitoring of benzene series in the air of four types of public places,to understand the basic status of indoor air hygiene in key public places in Qiqihar City.Methods From 2021 to 2022,a random sampling method was used to select 246 sampling points from 116 key public places in Qiqihar City as monitoring objects,and 246 air samples were collected to conduct a monitoring survey on benzene series(benzene,toluene,and xylene each) in indoor air.Laboratory testing was conducted by using secondary thermal analysis gas chromatography,combined with questionnaire survey results,and data analysis was conducted by using SPSS 22.0 software and the difference P<0.05 was statistically significant.Results From2021 to 2022,the overall qualified rate of indoor air monitoring of benzene series in four types of public places in Qiqihar City was 98.78%(243/246),and three samples were found to exceed the standard(exceeding the standard rate of 1.22%).The qualification rates of three types of benzene series monitoring were 98.78%(243/246) for benzene,100.00%(246/246) for toluene,and 100.00%(246/246) for xylene.The difference in qualification rates was statistically significant (χ~2=6.024,P=0.049).The qualified rates for monitoring benzene series in four types of public places were:hotels 98.48%(65/66),barbershops 100.00%(27/27),gyms 100.00%(9/9),and beauty shops100.00%(14/14),with no statistically significant difference in qualified rates (χ~2=0.764,P=0.858).The detection rates of three benzene series were 30.49% for benzene,56.50% for toluene,and 85.77% for xylene,indicating that xylene pollution was the heaviest,followed by toluene,and benzene was the lightest.The detection rates of benzene series in four types of public places were:hotels(98.48%),barbershops(88.89%),gyms(100.00%),and beauty shops(78.57%).Benzene series pollution was the most severe in gyms,followed by hotels,then followed by barbershops and beauty shops.Conclusions From 2021 to 2022,benzene series were widely present in the air of four types of public places in Qiqihar City and those were generally detected,health risks exist.Therefore,this monitoring work needs to continue.
作者
朱吉凯
张蕾
叶欣雨
王倩
铁丹丹
ZHU Jikai;ZHANG Lei;YE Xinyu;WANG Qian;TIE Dandan(Physical and Chemical Laboratory,Qiqihar Center for Disease Control and Prevention,Qiqihar 161005,Heilongjiang Province,China;Sichuan Provincial People’s Hospital,University of Electronic Science and Technology of China,Chengdu 610072,Sichuan Province,China)
出处
《预防医学情报杂志》
CAS
2024年第2期204-211,共8页
Journal of Preventive Medicine Information
关键词
苯系物
疾控系统
健康危害因素监测
公共场所
空气
二次热解析
benzene series
disease control system
monitoring of health hazards
public place
air
secondary thermal analysis
