db 88

Car wash at 20 ft (89 dB); propeller plane flyover at 1000 ft (88 dB); diesel truck 40 mph at 50 ft (84 dB); diesel train at 45 mph at 100 ft (83 dB). rtp sonic 88 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 at 25 ft (77 dB); freeway at 50 ft