The MARPLOT 5 series includes significant changes from the previous MARPLOT 4 series. To ensure that your data is successfully transferred from your old MARPLOT, carefully follow the instructions below to upgrade from a MARPLOT 4 series version.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Updating to MARPLOT 5.x from MARPLOT 4.x (PDF)(3 pp, 210 K, 2/4/2015)