Exposure Assessment Models

Key to Land Resource Regions (LRR) and Major Land Resource Areas

Codes to MLRA (Major Land Resource Areas) descriptive titles for use with EPA database of meteorological data files (to use with CEAM & other software models)

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Key to Land Resource Regions (LRR) and Major Land Resource Areas (PDF)(5 pp, 45 K)