May 25, 2017 by Alexandra Heck Grimsby Lincoln News
WEST LINCOLN — He wasn’t just a bag of wind.
Andy Metelka, an acoustics and vibrations specialist who has been studying the sound effects of wind turbines, was very careful about the conclusions he made from his studies.
He has just returned from a conference on wind turbine noise in Rotterdam, Netherlands, and shared his insights with a group of residents in Smithville.
Metelka has perfected his own sound measuring technique and a formula to isolate the sound coming from turbines from other background noise.
“There are no guidelines in Canada on infrasound regarding wind turbines,” said Metelka, explaining that further research could lay the groundwork for those regulations.
“I’m not here to discuss medical science, I’m not a medical professional,” he said. “I do not act on behalf of any party as a professional engineer.”
Metelka has been studying the sound and infrasound from turbines in Grey Highlands, a municipality just southeast of Owen Sound. Infrasound is the low-level noise that is not detected by the human ear.
Metelka concluded that both weather and the shape of the ground can affect how the sound travels, and that older farmhouses let more infrasound in than newer homes.
Metelka also concluded that infrasound is indeed present in homes near operating wind turbines, but he could not say what effect, if any, they have on human life.
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