四川省南充市顺庆区公共场所甲醛污染状况分析

Analysis on the Status of Formaldehyde Pollution in Public Places in Shunqing District,Nanchong,Sichuan Province

目的了解四川省南充市顺庆区公共场所室内甲醛污染状况。方法 2013年对顺庆区320家公共场所室内空气甲醛浓度采用酚试剂分光光度法进行测定。结果合计检测1 628个点,合格1 354个,合格率为83.17%。旅店、文化娱乐场所、洗浴、美容美发和商场的合格率分别为91.80%、74.52%、87.65%、77.55%和96.33%。装修后半年、半年到1年和1年以上的公共场所合格率分别为74.19%、83.58%和94.24%。结论南充市顺庆区公共场所在装修初期甲醛污染较重,甲醛浓度在装修满半年后明显下降,文化娱乐场所和美容美发的甲醛污染状况较重。

Objective To investigate the indoor formaldehyde pollution in public places of Shunqing district . Methods The indoor air formaldehyde concentrations of 320 public places in shunqingou district were meas- ured with pheno including 1 354 1 reagent spectrophotometric method after 2013. Results A total of 1628 points were detected, qualified points, with 83.17% passing rate. The pass rates of hotels, cultural and recreation- al places, bath, beauty salons and shopping malls were 91.80%, 74.52%, 87.65%, 77.55% and 96. 33% respectively. The pass rates of public places for Six months, six months to 1 years and 1 years after the reno- vation were 74. 19%, 83.58% and 94. 24%. Conclusion In early decoration stage, formaldehyde pollution was heavy in public places of Shunqing District, Nanchong City. After half a year formaldehyde concentration caused by decoration decreased obviously. Formaldehyde pollution situation is more serious in cultural and recreational places and beauty salons.