Total Risk Integrated Methodology (TRIM) Air Pollutants Exposure Model Documentation (TRIM.Expo / APEX, Version 4.5)
The Air Pollutants Exposure model (APEX) is part of EPA’s overall Total Risk Integrated Methodology (TRIM) model framework. The documents below are for APEX 4.5. The User Guides and Technical Documentation support the TRIM.Expo Inhalation / APEX model.
- Total Risk Integrated Methodology (TRIM) Air Pollutants Exposure Model Documentation (TRIM.Expo / APEX, Version 4.5) Volume I: User's Guide - EPA-452/B-12-001a August 2012 (pdf)
- Total Risk Integrated Methodology (TRIM) Air Pollutants Exposure Model Documentation (TRIM.Expo / APEX, Version 4.5) Volume II: Technical Support Document, EPA-452/B-12-001b, August 2012 (pdf)