What are the benefits of investing in quieter technologies and processes, even if current noise levels are just at or below 85 decibels?

Learn about A-weighted decibels, an expression of the relative loudness of sounds as perceived by the human ear. Explore how dBA works, is measured and is ... This criterion level is 85 dBA in most jurisdictions, but it is 87 dBA for organizations that follow the Canadian federal noise regulations. What is the ... It is a moderate noise level, under the level of 85 dB that is considered damaging to human hearing. However, 70 decibels also represents the upper limit of the ... Idling diesel trucks emit noise at 85 dBA (decibels) measured at a distance of 50 feet. In general, noise decreases 6 decibels for every doubling of distance ... ... 85 decibels to minimize the damage your ears are exposed to. If you are listening to music at around 100 decibels, restrict your usage to within 15 mins. Jun 1, 2009 ... All Employees whose noise exposures exceed a time-weighted average of 85 dBA or greater are responsible to wear appropriate hearing protection, ... Continued exposure to noise above 70 dBA (adjusted decibels) over time will cause hearing loss. ... 85 Heavy Traffic, Noisy Restaurant; 90 Truck, Shouted ... unreasonable if the decibel level exceeds 85. ... Noise is considered unreasonable—and in violation of the statute—if it is 85 decibels at the point where it is ... No person shall operate any motor vehicle with a gross weight of 6,500 pounds or less with an exhaust system that emits noise in excess of 85 decibels. Such ... Most otologists agree that continual exposure to a noise that is 85 decibels or louder in intensity is dangerous.