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为了解龙岩市公共场所集中空调通风系统卫生状况,按照分层随机抽样方法于2009—2011年连续3年分别对12、5、14套集中空调通风系统进行现场调查和卫生检测。31套集中空调通风系统中,合格4套,合格率为12.90%;风管内表面积尘量合格率为52.26%,细菌总数合格率为76.77%,真菌总数合格率为48.39%;通风口送风中β-溶血性链球菌和冷却塔水军团菌合格率均为100%。提示本次调查的龙岩市公共场所集中空调通风系统卫生学指标存在超标现象,应加大卫生监督和管理力度。
In order to understand the hygienic conditions of central air-conditioning and ventilation systems in public places in Longyan, 12,5,14 sets of central air-conditioning and ventilation systems were investigated on site and hygienically tested respectively for three consecutive years from 2009 to 2011 according to the stratified random sampling method. 31 sets of central air-conditioning and ventilation systems, qualified 4 sets, with a pass rate of 12.90%; duct dust on the inner surface of the pass rate of 52.26%, the total bacterial pass rate of 76.77%, the total number of fungi pass rate of 48.39% β-hemolytic streptococcus and Legionella cooling water tower were 100% pass rate. It is suggested that the hygienic index of central air-conditioning and ventilation system in public places in Longyan City in this survey is over-standard, and health supervision and management should be strengthened.