What are the noise levels in different transportation systems (e.g., airplanes, trains, buses)?

About 78-80 avg decibels when vacuuming carpet w/ the main beater brush, and about 88-90 avg decibels when using the rotating pet brush hand-tool. 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. Patrons may expose themselves to the same level of loudness in 15 minutes of music at 100 dB that an industrial worker gets in an 8-hour day at 85. dB. Noise ... Natural Ocean sounds. Wind and waves, ~85 dB. Earthquake, 95-135 dB. Harp seal call, 130-140 dB. Decibels are a logarithmic unit, which means that a noise measuring 30 decibels is actually two times louder than a noise registering at 20 decibels. ... 70 – 85 ... Scout Bike Alarm & Finder. 85 Decibels. Decibels (dB) are used for measuring the relative loudness of sounds. Our bells and alarms are 80 & 85 dB respectively ... (2) a noise is presumed to be unreasonable if the noise exceeds a decibel level of 85 ... Acts 2017, 85th Leg., R.S., Ch. 522 (S.B. 179), Sec. 13, eff ... sound level (excluding impulse noise and alarm signals) shall be less than 85. dBA, regardless of time duration. [V2 6080] Intermittent Noise. Limits: for ... is exposed to noise 85 decibels or greater. 5.1.4. All locations and equipment that exceed the 85-decibel limit shall be marked to notify employees of the ... Aug 12, 2024 ... Protecting your hearing from noise damage is all about the decibels. You're safe if the sound in question stays below 85 dB. Above that, you're ...