An overview of the Multimedia Environmental Pollutant Assessment System
This report describes the Multimedia Environmental Pollutant Assessment System (MEPAS) computer model designed by Pacific Northwest Laboratory for use in evaluating the health risks associated with US Department of Energy (DOE) waste sites. This report has been prepared to provide DOE Oak Ridge Field Office personnel with a simplified explanation of MEPAS and an understanding of how MEPAS is used to quantify potential risks to human health. The scope and limitations of the MEPAS model are presented, and the possible contaminant release media and transport pathways are outlined. The two main types of health indexes generated -- the hazard potential index (HPI) and the maximum individual index are described; and calculations used to obtain these indexes are presented. Guidance on interpretation of the HPI is also included. Finally, the HPI calculations for 3 contaminants in a hypothetical environmental problem are demonstrated.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 7067288
- Report Number(s):
- ES/ER/TM-14; ON: DE92018075
- Country of Publication:
- United States
- Language:
- English
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054000 -- Nuclear Fuels-- Health & Safety
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
54 ENVIRONMENTAL SCIENCES
540230* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- (1990-)
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
CONTAMINATION
DOSES
ENVIRONMENT
ENVIRONMENTAL EXPOSURE
ENVIRONMENTAL IMPACTS
ENVIRONMENTAL TRANSPORT
EVALUATION
FORECASTING
HAZARDOUS MATERIALS
HAZARDS
MANAGEMENT
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
POLLUTION
PUBLIC HEALTH
RADIATION DOSES
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE MANAGEMENT
RADIONUCLIDE MIGRATION
REMEDIAL ACTION
RISK ASSESSMENT
WASTE DISPOSAL
WASTE MANAGEMENT
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
54 ENVIRONMENTAL SCIENCES
540230* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- (1990-)
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
CONTAMINATION
DOSES
ENVIRONMENT
ENVIRONMENTAL EXPOSURE
ENVIRONMENTAL IMPACTS
ENVIRONMENTAL TRANSPORT
EVALUATION
FORECASTING
HAZARDOUS MATERIALS
HAZARDS
MANAGEMENT
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
POLLUTION
PUBLIC HEALTH
RADIATION DOSES
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE MANAGEMENT
RADIONUCLIDE MIGRATION
REMEDIAL ACTION
RISK ASSESSMENT
WASTE DISPOSAL
WASTE MANAGEMENT