Sentences with phrase «frequency noise exposure»

Whilst it is not yet clear that these parameters would adequately protect the health of vulnerable members of the community from the effects of chronic cumulative exposure, why are these limits for infrasound and low frequency noise exposure universally ignored by those members of the acoustics profession who have written the wind turbine noise pollution regulations for governments?

Not exact matches

One hour after the treated animals got their first dose, the researchers subjected these and other guinea pigs to a 5 - hour - long exposure to a 120 - decibel, broad - frequency noise.
Identifying that some people who have one or more acknowledged risk factors prior to Industrial Wind Turbines beginning to operate provides information about predictable health problems which may ensue with exposure to infrasound and low frequency noise.
The consequences of exposure to impulsive infrasound and low frequency noise generated by wind turbines were also clearly well known to the global wind industry, because of the dramatic change in design which resulted, and because the results were presented at the AWEA sponsored conference.
Even Leventhall, who consults for the global wind industry, seems to agree that the constellation of symptoms I identified as Wind Turbine Syndrome have been known to him to be caused by exposure to sound energy in frequencies below 200 Hz, specifically infrasound (0 — 20 Hz) and low frequency noise (20 — 200 Hz).
Despite the reports of sick residents and concerned medical practitioners since 2003, it is only within the last 6 — 12 months that there has been any independent acoustics information about what the exposures are of these sick residents to both infrasound and low frequency noise emissions from the turbines.
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