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You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

Below you will find information that will help you to complete specific tasks with the CAMEO software and perform basic troubleshooting.

CAMEO Troubleshooter is your online guide to solving problems with CAMEO, ALOHA, MARPLOT, and the Chemical Reactivity Worksheet.

More CAMEO Resources

• Frequent Questions allows users to review the answers to frequent questions about the CAMEO suite.
• MARPLOT Technical Documentation (PDF) (68 pp, 375K) explains some technical details about MARPLOT, such as how to import and export files using MARPLOT.
• CAMEO Help files are available for viewing online. While these files are part of the downloadable CAMEO system, they will provide a comprehensive overview of CAMEO for those who have not downloaded the system.
• CAMEO Toolkit includes helpful resources for CAMEO, ALOHA, and MARPLOT users. 
• ALOHA Technical Description provides technical details about ALOHA and how it makes its calculations.
• ALOHA Decision Keys provide an online, step-by-step key to decide (1) whether you should use ALOHA for a particular accident scenario and (2) if so, which of its several source modules you should choose.
• Ask Dr. ALOHA is a column that appears in each issue of the CAMEO Today newsletter and answers your questions about ALOHA.
• ALOHA Arc Tools can be used to import an ALOHA threat zone into ArcView 3.x or ArcMap 8.x or 9.x.
• Level of Concern Page provides information on how to choose and use a Level of Concern (LOC) in ALOHA.
• Designing a Met Station to Work with ALOHA (PDF) (5 pp, 31K) is an explanation of how to configure a portable meteorological station to work with ALOHA.
• Met Station Vendor List is a list of vendors of portable meteorological stations designed to work with ALOHA. 
• Chemical Backgrounders Chemical information from the National Safety Council.