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扬州市新装饰开业公共场所甲醛污染状况 预览 被引量:15

Status of Formaldehyde Pollution in Public Places Newly Decorated and Entering on Business in Yangzhou
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摘要 目的 了解新装饰一以共场所污染状况。方法 用甲醛分析仪对新装饰开业2年内47家公共场所室内空气甲醛浓度进行测定。结果 开业前3个月各场所甲醛浓度全部超标,总超标率为79.6%,开业后第4~12个月总超标率为24.3%,第13~24个叫超标率为13.9%,趋势显著性检验表明:甲醛超标率随着开业时间延长越来越低(P〈0.05)。第1~3个月和第4~12个月比较,甲醛超标率差异显著(P〈0.01),第一 To understand the status of formaldehyde pollution in public places newly decorated and entering on business in Yangzhou The concentrations of formaldehyde in indoor air of 47 public places,newly decorated and entering on business not more than 2 years,was determined by formaldehyde analyzer The total over standard rate was 79 6% during the lst to the 3rd month after entering on business with over standard concentrations of formaldehyde in indoor air in every observed public place,24 3% during the 4th to 12th month and 13% during the 13th to the 24th month respectively The tendency significant test revealed that the over standard rates of formaldehyde in indoor air decreased with the increasing durations of entering on business ( P <0 05).The over standard rate of formaldehyde during the 4th to the 12th month after entering on business showed significant diffevences compared with that during the 1st to 3rd month ( P< 0 01),but no significant differences compared with that during the 13th to the 24th month( P <0 05) The over standard rates of formaldehyde also presented significant differences between the hotels with centralized air conditioning system and non centalized air conditioning system ( P >0 05) [Conclusion]The public places newly decorated and entering on business presented high formaldehyde pollution in indoor air The higher concentration of formaldehyde began to decrease from the 3th month after the finish of new decoration and entering on business The hotels applyng centralized air conditioning system presented higher concentrations of formaldehyde compared with those applying non centralized air conditioning system
作者 夏正英 余德宏 XIA Zheng ying,SHE De hong,ZHAO Xia Yangzhou Sanitation and Anti-epidemic Station,225000
出处 《环境与健康杂志》 CAS CSCD 北大核心 2000年第5期 287-289,共3页 Journal of Environment and Health
关键词 公共场所 甲醛 室内空气 污染状况 空气监测 Public places Formaldehyde Indoor air
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