噪音是指凡是妨碍人们正常休息、学习、工作的声音,以及对人们要听的声音产生干扰的声音,且能引起人们生理和心理上的不适。国际噪音协会规定日间噪音应低于45分贝,夜间噪音应低于20分贝。消毒供应中心的噪音污染来源主要有:(1)机械设备发出的噪音:一种是压力蒸汽灭菌器抽真空时的高频噪音,另一种是机械设备工作时产生的低频噪音。(2)工作人员在工作时产生的噪音:车辆之间、器械之间相互撞击的噪音;工作人员必须提高音量才能沟通时产生的噪 Noise refers to any voice that interferes with normal people’s rest, study, work, and sounds that interfere with people’s listening voices and can cause physical and psychological discomfort to people. The International Association of Noise states that daytime noise should be less than 45 dB and nighttime noise should be less than 20 dB. The main sources of noise pollution in the disinfection supply center are: (1) noise emitted by machinery and equipment: one is high-frequency noise when a pressure steam sterilizer is evacuated and the other is low-frequency noise generated when mechanical equipment is in operation. (2) Noise generated by the staff at work: the noise that collides with each other among vehicles and equipment; and the noise that the staff must raise when the volume is communicated