Frequent Questions

What is the status of the Agency's risk assessment guidelines for hazardous waste combustion facilities?

In September 2005, EPA finalized the "Human Health Risk Assessment Protocol (HHRAP) for Hazardous Waste Combustion Facilities."  The document number is EPA530-R-05-006 and is available on EPA's Web site:

In 1999, EPA released a peer review draft of a companion document to HHRAP entitled "Screening Level Ecological Risk Assessment Protocol Hazardous Waste Combustion Facilities (SLERAP).  This document is available on EPA's Web site : As stated on the Web site, SLERAP is undergoing peer review and is being made available for informational purposes only.

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