EPA PMF Problems & Suggestions

Please share EPA PMF problems and suggestions using the following form.

NOTE: EPA is tracking PMF issues and will post suggestions if many users have similar program or dataset issues. EPA does not have the ability to provide user support and many publications provide EPA PMF application examples.

Please describe your data, number of samples and species, method used for calculating PMF input file uncertainties, number of factors, Qrobust and Qtrue values, and PMF error messages. 

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Last updated on October 8, 2024