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THE NATURE OF SOUND Richard B Minnix
Ultrasound and Infrasound
23 other sections not shown
A-weighted A-weighted sound absorption acoustic activities administrator agency aircraft noise airplanes airport annoyance application areas assessment attenuation audiometer barrier calibration community noise compressor construction criteria decibel determine developed effects energy enforcement engine environment environmental noise EPNL equipment evaluation example exhaust factors federal Federal Aviation Regulations frequency health and welfare hearing highway loudness machine maximum measurement ment microphone motor vehicle motorcycle mufflers NEPA noise abatement Noise Control Act noise control ordinance noise emission noise exposure noise levels Noise Measurement noise ordinance noise problem noise reduction noise regulations noise sources noise-sensitive zone noisy octave-band operation percent planning procedure proposed action provision recreational reduce regulations residential response result Section snowmobile sound level meter sound power level sound pressure level specific speed standards tion traffic truck Turbojet U.S. Environmental Protection urban vibration wall