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This document is an evaluation of the health effects and other relevant data that have become available since publication of the 1977 NIOSH document Criteria for a Recommended Standard: Occupational Exposure to Asphalt Fumes. It includes an assessment of chemistry, health, and exposure data from studies in animals and humans exposed to raw asphalt, paving and roofing asphalt fume condensates, and asphalt-based paints.
