青州市2005-2006年纯净水水质监测分析

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目的了解青州市桶装饮用纯净水卫生状况,及时采取有效措施加强安全监管力度,保障供水质量和安全。方法感官指标按GB/T 8538-1995《饮用天然矿泉水检验方法》、理化指标按GB/T 5750-2006《生活饮用水标准检验方法》、微生物指标按GB/T 4789.21-2003《食品微生物检验冷冻饮品饮料检验》进行检测;据GB 17324-2003《(瓶)桶装饮用纯净水卫生标准》进行评价。结果 2005-2006年市桶装饮用水抽检总合格率偏低,仅67.5%。2005年合格率(59.0%)低于2006年(76.0%),微生物指标合格率(83.7%)高于理化指标(72.7%);企业送检合格率>生产企业抽样>桶装水批发配送点抽检;不同季节抽检合格率差异无统计学意义;不合格项目主要为电导率、菌落总数、霉菌及酵母菌、高锰酸钾耗氧量、pH值、亚硝酸盐等。结论应尽快对桶装饮用水生产企业实行卫生监督量化分级管理,减少其危害风险度,保障消费者饮水安全。 Objective To understand the hygienic condition of pure bottled drinking water in Qingzhou City and to take timely and effective measures to strengthen safety supervision and ensure the quality and safety of water supply. Methods Sensory indicators according to GB / T 8538-1995 “drinking natural mineral water test method”, physical and chemical indicators according to GB / T 5750-2006 “drinking water standard test method”, microbial indicators according to GB / T 4789.21-2003 “Food Microbiological Test Frozen drinks and beverages test ”for testing; According to GB 17324-2003“ (Bottled) bottled drinking water hygiene standards ”for evaluation. Results 2005-2006 municipal barreled drinking water sampling pass rate is low, only 67.5%. The passing rate in 2005 was lower than that in 2006 (76.0%), the passing rate of microbial indicators was 83.7% higher than that of physical and chemical indicators (72.7%); the passing rate of enterprises was> the sampling of manufacturing enterprises> Sampling; sampling pass in different seasons the difference was not statistically significant; unqualified items mainly for the conductivity, the total number of colonies, mold and yeast, potassium permanganate oxygen consumption, pH, nitrite and so on. Conclusion As soon as possible, the bottled drinking water production enterprises shall implement the quantitative management of health supervision so as to reduce their risk of harm and ensure the safety of consumers’ drinking water.
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