SickBuildingSyndrome(病态建筑综合症).ppt

1、Sick Building Syndrome,Outline,Definition of SBS Symptoms Causes Prevention and Methods References,Definition of SBS,Now, there are two widespread and widely-accepted ways to define SBS. One definition made by WHO (World Health Organization) is that at least 20% of staff inside will show some sympto

2、ms and their complaints will last for more than two weeks. Moreover, their symptoms will be alleviated or disappear when they leave this building. Another one made by ASHRAE 621989 is that acceptance of air inside will be judged by the unacceptable rates of the visitors(20). 目前，有两种流传较广、较为人们所接受的SBS定义

3、。一种是世界卫生组织做出的定义，即至少有20以上的室内人员表现出一定的症状，他们的投诉必须持续2周以上，并且当人员离开这幢大楼后症状会有所减轻或消失。另一种是美国供暖制冷空调工程师学会标准ASHRAE621989做出的定义，它是以来访者对室内空气的不接受率(20)来判断室内空气是否可接受,SBS is the syndrome caused by long-term contact with dust，vapor，gas fungi，bacteria and other air contaminant accumulated in some structure inside the build

4、ing. Besides, other causes of SBS are inappropriate lighting, uncomfortably hot environment and excessive noises. Generally speaking, their syndromes will disappear when sufferers leave these buildings. 病态建筑综合症(SBS)是指建筑物内人群由于长期接触灰尘、蒸汽、气体真菌、细菌和其他室内空气污染物(积攒于某一结构内)而产生反应的综合症状。除此之外，还有不适宜的照明，不舒适的热环境或过分噪声。

5、一般来说，当受害人群离开这些建筑物时，症状也就消失了,Symptoms,Common symptoms in SBS Mucous-membrane irritation Eye irritation, throat irritation, cough Neurotoxic effects Headaches, fatigue, lack of concentration,Respiratory symptoms Shortness of breath, cough, wheeze Skin symptoms Rash, pruritus, dryness Chemosensory chang

6、es Enhanced or abnormal odour perception Visual disturbances,Sick Building syndrome makes energy-efficient buildings not efficient,Accordingtoforeignofficialassessmentin1989,SBScaused1billionmedicalconsumptionand10billionlaborlosseveryyear although there was no exact data of economic loss duetoworki

7、nefficiency. Itwasassessed byEPAthattheloss, causedbySBS, ofabsenteeismand productionwas60 billion every year,Causes,Main Causes: 1. Insufficient Ventilation 2. Poor Filtering Efficiency 3. Ventilation System Contamination 4. Wide Variety of Pollutant Sources,human activities,Fuel combustion and hea

8、ting,Outdoor sources,domestic appliance,Building and decoration materials,病态建筑室内空气污染的来源,人类活动和家具 涂料，吸烟和地毯散发 VOCs 衣服/装饰品 室外受污染的空气及不完备的通风系统 室内空气污染情况加剧 害虫驱除剂 杀虫剂含有致癌物质 新鲜空气何在？ 卸货通道挡住了通风口,密封窗户 与室外空气隔绝 含有致癌物质的产品 市场上有70,000种化学清洁产品 复印机和打印机 放射臭氧 办公区域盥洗室 发霉的机器 大楼装修 油漆味，灰尘和气味,当今办公室里可能包含多达350种挥发性有机化合物(VOC) 一些 VOC 被认为是致癌物质和哮喘触发因子,Prevention and Methods,Focus On the Main Causes 1. Optimize Ventilation System 2. Increase Filtering Efficiency of Air Cleaner 3. Pollutant Sources Control 4. UV Light, Ozone, ect,References,http: