How does noise affect the behavior of birds?

Natural Ocean sounds. Wind and waves, ~85 dB. Earthquake, 95-135 dB. Harp seal call, 130-140 dB. 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 ... Some people with very good hearing can hear sounds down to -15 dB. If a sound reaches 85 dB or stronger, it can cause permanent damage to your hearing. Nov 9, 2017 ... 85 dB average, 105 dB peak, which, depending on the speakers' sensitivity, may require quite a lot of power. Food blender (88 dB); milling machine (85 dB); garbage disposal (80 dB). 80, 2 times as loud as 70 dB. Possible damage in 8 h exposure. Passenger car at 65 mph ... Dec 30, 2016 ... I looked up what a good sound level would be, and found the 85 db figure which is safe for up to 8 hours. Now, how loud exactly is this, and how would I test ... Oct 22, 2018 ... You're safe if the sound in question stays below 85 decibels (dB); above that, you're in the action zone — protect your ears or risk hearing ... Noise can also cause hearing loss, which is permanent. Noise is measured in decibels. OSHA and PESH regulate noise above an 85 decibel level dbA (based on an 8- ... Areas where noise levels have dropped below 85 dBA shall be eliminated from the monitoring program. Employees whose noise exposure levels no longer exceed an 85 ... 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, ...