An amusement park desired to add a new roller coaster ride, but is subject to a property-line noise limit of 55 dBA for "regular and sustained operation" of mechanical equipment. Human-produced sounds are excluded from the ordinance. Residential properties are located near park boundaries in ...
NOISE-CON 2011, Portland, Oregon, USA, 25-27 July 2011. https://docs.wind-watch.org/Bray-James-11-07-25-Dynamic-measurement-of-wind-turbine-noise.pdf [59] B. Walker, George, F., Hessler, D.M., Rand, R. and Schomer, P. (2012) A Cooperative Measurement Survey and Analysis of ...