These are the results of nearly six months of continuous sound measurements away from and near industrial wind turbines (IWT’s) at five locations in Grey Highlands, ON, Canada. The measurement protocol was designed to allow for corrections to account for wind induced noise resulting in findings that are directly comparable to the MOE tables. The results indicate that for three IWT sites studied, the recorded sound pressure levels (SPL’s) exceeded MOE’s noise limits a majority of the time for non‐participating receptors outside the minimum distance of 550 m and outside the 40 dBA SPL contours calculated by consultants engaged by the wind developers. The other two sites were used to measure background noise levels.
Download original document: “Grey Highlands 2012 Wind Turbine Noise Survey”
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