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THE USEPA'S METAL FINISHING FACILITY RISK SCREENING TOOL (MFFRST)
Citation:
Barrett**, W M., P F. Harten*, AND M N. Lorber. THE USEPA'S METAL FINISHING FACILITY RISK SCREENING TOOL (MFFRST). Presented at EPA/DOD Theories and Practices in Toxicology and Risk Assessment Conference, Cincinnati Marriott North, Cincinnati, OH, 04/15-19/2002.
Description:
The US Environmetal ProtectionAgenccy's Metal Finishing
Facility Risk Screening Tool (MFFRST)
William M. Barrett Jr, Ph.D. , P.E. ; Paul Harten, Ph.D.1, and Matthew Lorber
The US Environmental Protection Agency completed the development of the first version of the Metal Finishing Facility Risk Screening Tool (MFFRST) and has made this product available to the general public. MFFRST can predict emissions from actual metal finishing process lines and estimate health risks that result from these emissions. Air emissions from individual tanks are calculated based upon the emissions factors published in AP-42, actual facility Toxic Release Inventory (TRI) data, or average TRI data for the type of facility to be modeled. Worker exposures are modeled using a box model, and the EPA's air pollution dispersion model SCREEN3 is used to calculate the exposure concentration the surrounding community. Worker's health risks are determined by comparing the estimated exposure concentration with National Institute of Occupational Safety and Health's (NIOSH) Recommended Exposure Limits (RELs), Occupational Safety and Health Administration (OSHA) Permissible Exposure Limits (PELs), or American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Values (TLVs). Non-cancer health risks to the surrounding population are determined by comparing the estimated exposure concentration to established reference doses; and cancer health risks are established using unit risks and typical exposure scenarios.