Asphalt Rubber Technology Information Center
NIOSH Health Hazard Evaluation Report
Hanley, Kevin W., MSPH, CIH and Miller, Aubrey K., MD, MPH
March, 1996
Key Words:
SIC 1611 (Highway and Street Construction), asphalt fume, bitumen, crumb rubber modifier, CRM, recycled tires, paving
interstate highways, polycyclic aromatic compounds, PACs, polynuclear aromatic hydrocarbons, PAH, total particulate,
respirable particulate, benzene soluble particulate, volatile organic compounds, hydrocarbons, elemental carbon, eye
irritation, respiratory irritation
The Hazard Evaluations and Technical Assistance Branch of NIOSH conducts field investigations of possible health
hazards in the workplace.  These investigations are conducted under the authority of Section 20(a)(6) of the Occupational
Safety and Health Act of 1970, 29 U.S.C. 669(a)(6) which authorizes the Secretary of Health and Human Services,
following a written request from any employer or authorized representative of employees, to determine whether any
substance normally found in the place of employment has potentially toxic effects in such concentrations as used or
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