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目的了解2014年天津市红桥区冬季大中型中餐厅、西餐快餐店午餐用餐时段室内空气质量的卫生现状,为卫生监督管理提供科学依据。方法根据《公共场所卫生监测技术规范》(GB/T17220-1998)和相关仪器进行检测,监测指标包括:温度、湿度、风速、二氧化碳、一氧化碳、甲醛、可吸入颗粒、空气细菌数、照度。结果监测指标项目数372项,合格368项,合格率98.92%,所检9项指标二氧化碳是99.46%、一氧化碳是99.73%、可吸入颗粒是98.92%外,其余均为100.00%合格。结论天津市红桥区空调餐馆午餐用餐时段室内空气存在卫生安全隐患,污染主要为二氧化碳一氧化碳可吸入颗粒污染,应加强卫生监管。室内空气质量总体质量达标,室内空气质量相对安全。
Objective To understand the hygienic status of indoor air quality during lunchtime in large and medium sized Chinese restaurants and western fast food restaurants in Hongqiao District of Tianjin in 2014 and to provide a scientific basis for health supervision and management. Methods According to GB / T17220-1998 and related instruments, the monitoring indicators include temperature, humidity, wind speed, carbon dioxide, carbon monoxide, formaldehyde, respirable particles, airborne bacteria and illumination. Results The number of monitoring indicators of the project number 372, qualified 368, the pass rate of 98.92%, the seized 9 indicators of carbon dioxide is 99.46%, 99.73% of carbon monoxide, inhalable particles is 98.92%, the remaining 100.00% pass. Conclusion Air conditioning restaurant in Hongqiao District, Tianjin lunchtime dining room there is a health and safety hazards, pollution is mainly carbon dioxide and carbon monoxide inhalable particles pollution should be strengthened health supervision. The overall indoor air quality standards, indoor air quality is relatively safe.