The single reel of magnetic tape contains (9) files of data relevant to the UNAMAP air quality models. The first file contains brief descriptions of the models. The second through seventh contains source Fortran codes for the six UNAMAP models, APRAC, HIWAY, CDM, PTMAX, PTDIS, and PTMTP respectively. The eighth file is a test set of emission inventory and meteorological data for CDM; the ninth file contains similar data for APRAC. The remainder of the models are interactive where the data is supplied by the user upon prompting by the master program. Mnauals are being prepared for the models and will have spearate NTIS accession numbers. The Fortran IV source code is self-documenting with frequent comments. The source computer and operating system is an IBM 360-OS. The tape recording mode is 9 track, 800 bits per inch, EBCDIC code, odd parity. Physical records each contain 10 logical records in card image format (i.e. 80 byte logical records; 800 byte block size). The tape can be copied to 7 track form without loss of data. (Author)