Find below three URLs to OSHA website documents regarding Asphalt production, worker’s safety and employer’s responsibilities. From such studies it was learned that the ones most harmed by asphalt fumes are the ground floor plant workers, the transfer & hauling workers, and the hot asphalt mix application crews.
An extended list of studies of the effects to workers and the preventive measures of responsible employers
A one page description of proper personal protective equipment standards
A one page outline of the responsibilities of the employer.