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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 understand the indoor formaldehyde pollution in public places in Shunqing District of Nanchong City, Sichuan Province. Methods In 2013, formaldehyde concentration in indoor air of 320 public places in Shunqing District was determined by phenol reagent spectrophotometry. Results A total of 1 628 points were detected and 1 354 were qualified with a pass rate of 83.17%. Hotels, cultural entertainment, bathing, beauty salons and shopping malls pass rates were 91.80%, 74.52%, 87.65%, 77.55% and 96.33%. The passing rate of public places in the first six months, half year to one year and one year or more after renovation was 74.19%, 83.58% and 94.24% respectively. Conclusions Formaldehyde pollution in public places in Shunqing District of Nanchong City was heavy at the initial stage of decoration, the formaldehyde concentration dropped obviously after six months of renovation, and the formaldehyde pollution in cultural entertainment places and beauty salons was serious.