Researchers characterize aggregate indoor and outdoor PM2.5 exposure
Green Car Congress
JULY 20, 2017
In an initial step toward developing a comprehensive global impact assessment framework for PM 2.5 emissions, an international team of researchers from the US and Europe has characterized the primary PM 2.5 intake fraction—the long-term population intake mass per unit mass emitted into different indoor and outdoor environments. Intake fractions from residential and occupational indoor sources ranged from 470 ppm to 62,000 ppm—mainly as a function of air exchange rate and occupancy.
Let's personalize your content