                                                           File:  RELEASE.TXT


                   PLUMES Model System Release Notes

            Center for Exposure Assessment Modeling (CEAM)
            U.S. Environmental Protection Agency (U.S. EPA)
               Office of Research and Development (ORD)
            Athens Environmental Research Laboratory (AERL)
                       960 College Station Road
                      Athens, Georgia 30605-2700

                             706/546-3549



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Corrections and Changes Between Versions 0.00 and 1.00:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Summary:  First release, May, 1993


Corrections and Changes Between Versions 1.00 and 2.00:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Date: Thursday, 16 June 1994.  Time: 14:08:58.

1)   Updated and modified files RELEASE.TXT, UPDATE.TXT, and READ.ME for
     release of version 2.00.

2)   Upgraded and modified INSTALIT/MediaBuilder code and logic for release
     of version 2.00 to include additional system hardware/software checks
     and installation options.

3)   Included new executable task image file for the PLUMES model
     (PLUMES.EXE).

4)   Added executable task image file for UPLUME program (UPLUME.EXE).

5)   Included new (second edition) PLUMES model system user's manual
     (GUIDE.WP?) files (5) in WordPerfect (format).


Corrections and Changes Between Versions 2.00 and 3.00:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Date: Monday, 5 December 1994.  Time: 14:17:27.

Summary:  

NOTE:  For a complete summary of all changes/enhancements/additions included
and implemented in the third edition of the Dilution Models for Effluent
Discharges, refer to APPENDIX 6:  THIRD EDITION CHANGES within the file
GUIDE.WP4.

1)   Updated, added, and/or modified files RELEASE.TXT, UPDATE.TXT, READ.ME,
     ABSTRACT.TXT, and/or RESPONSE.TXT.

2)   Composed new INSTALIT/MediaBuilder code and logic.  Upgraded INSTALIT/
     MediaBuilder product version description and INF script files from
     version 3.19c to version 5.03d.  Implemented numerous code changes to
     correct minor problems and add features/enhancements.

3)   Included new executable task image files (*.EXE) and all updated run
     time support programs and files.

4)   Included new (third edition) PLUMES model system user's manual
     (GUIDE.WP?) files (5) in WordPerfect (format).

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