LOS ANGELES - On September 20, Fed-OSHA began four months of hearings on its proposed indoor air quality (IAQ) standard, which includes environmental tobacco smoke (ETS). So far, since the rule was proposed, OSHA has received some 100,000 letters about it.The purpose of the standard is to protect employees who work indoors from exposure to a variety of possibly harmful air contaminants, but it is the ETS restriction that has attracted the most attention. The rule, as proposed, would only allow smoki
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