INSTRUCTIONS FOR PESTICIDE DATA PROGRAM (PDP) MARKER COMPOUND DATA DOWNLOAD Note: Microsoft Access (2000/2002/XP/2003/2007) software is required to use this PDP Marker Compounds database. ** Approximately 34MB of free disk space is needed to hold the decompressed marker data. Instructions: 1) Click on the "Zip File" link. 2) Save the Markers.zip file to your local or networked hard drive. 3) In Windows or DOS, use a De-compression (unzip) utility on the Markers.zip file to extract the Markers.mdb (Access database) file. 4) When the Markers.mdb file is launched (double-clicked or opened in MS-Access), it automatically opens a user interface form that allows you to browse, filter, and print the marker compound records. 5) Click on the [?] (question) button to view and/or print a single page that provides help for all of the options available on the user interface form.