Frequent Questions

How was this Children's Health analysis conducted in the Hazardous Waste Combustion Emission Standards Rule?

The risk assessment for the Hazardous Waste Combustor final standards evaluated both cancer and non-cancer risks for all exposed sub-populations across four different age groups: 0-5 years, 6-11 years, 12-19 years, and adults over 20 years. Where possible, the MACT risk assessment provided both population and individual risk results for children. The modeling effort is a multi-pathway analysis that estimates both inhalation and ingestion pathways in order to examine potential effects of combined exposures to children. In terms of cancer risks, the assessment considered the combined effects of several carcinogens, corresponding with one of the goals of EPA's "National Agenda to Protect Children's Health from Environmental Threats." Moreover, areas for potential reductions in risk and related health effects identified by the hazardous waste combustor MACT risk assessment are all targeted as priority issues by EPA's children's health protection agenda.

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