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Contaminants and Hazards


Identifying hazards posed by infectious diseases, chemicals, radiation, and noise, in homes and personal service establishments.

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Health Effects of Large LED Screens on Local Residents

In 2011, three high-definition outdoor LED video billboards were erected around a city sports stadium. The residents of the surrounding community are exposed to the lighted images of these screens when they are illuminated. A representative of a community organization advocating to remove the video screens has asked the Chief Medical Health Officer of the local health department whether the...

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