This file documents the changes made to Professional CalPuff in each release, starting with version 2.82.2. The releases are listed in reverse chronological order. Version 2.90.1 October 1, 2009 * Support for SMRT1 and SMTR3 terrain data * Support for external source files * Support for LADEQ on-site met data * Includes new defaults from EPA/FLM CALMET clarification memo published in August 2009 Version 2.82.2 August 18, 2009 * Support for the FLAG 2008 options in the latest release of TRC's CalPuff version 6 * Includes the most recent official Class I area receptors * Bug fixes of all known bugs