Środowisko i energia · 26.02.2010

Development of a Relative Potency Factor (RPF) Approach for Polycyclic Aromatic Hydrocarbon (PAH) Mixtures

EPA is announcing a 60-day public comment period and a public listening session for the external review draft document titled, "Development of a Relative Potency Factor (RPF) Approach for Polycyclic Aromatic Hydrocarbon (PAH) Mixtures" (EPA/635/R-08/012A). The draft document was prepared by the National Center for Environmental Assessment (NCEA) within the EPA's Office of Research and Development (ORD). The public comment period and the EPA Science Advisory Board (SAB) peer review meeting, which will be scheduled at a later date and announced in the Federal Register, are separate processes that provide opportunities for all interested parties to comment on the document. EPA intends to forward the public comments that are submitted in accordance with this notice to the SAB peer review panel prior to the meeting for their consideration. When finalizing the draft document, EPA intends to consider any public comments that EPA receives in accordance with this notice. EPA is also announcing a listening session to be held on April 7, 2010, during the public comment period for this draft document. This listening session is a step in EPA's revised IRIS process, announced on May 21, 2009, fo