噪音危害在美国,每年大约有3000万人由于职业原因接触有害噪音。25年来噪声引起的听力损失在美国一直被列为最普遍的职业健康问题之一。每年有成千上万的工人由于工作场所的高噪音强度遭受不必要的听力损失。自2004年以来,美国劳工统计局报道,近125000名工人遭受了严重的永久性听力丧失。仅在2009年,劳工统计局就报告了超过21000个听力损失的案例。暴露在高噪音环境会导致永久性听力损失。无论是 Noise Hazards In the United States, about 30 million people are exposed to harmful noises for occupational reasons each year. Noise-induced hearing loss has been listed as one of the most common occupational health problems in the United States for 25 years. Every year tens of thousands of workers suffer from unnecessary hearing loss due to the high noise intensity in the workplace. Since 2004, the U.S. Bureau of Labor Statistics has reported that nearly 125,000 workers have suffered severe and permanent hearing loss. In 2009 alone, the Bureau of Labor Statistics reported more than 21,000 hearing loss cases. Exposure to high-noise environments can result in permanent hearing loss. Whether it is