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One strategy described by the IOM is to reduce toxicant exposure in people who continue to use tobacco through what have been termed potential reduced-exposure products (PREPs) (Institute of Medicine2001)

An inspector can check: Whether insulation or drywall is holding onto smoke If your HVAC system needs more than just a filter change If ventilation problems are making things worse Whether the smoke damage is surface-level or more serious This is especially important if youre buying or selling a home

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It estimates the total volume of air a person inhales over a set period (e.g., 24 hours), multiplies it by the concentration of PM2.5 in the air (reported via the AQI), and calculates the total mass of particles inhaled

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