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PM10-2.5 (Coarse) Chemical Speciation Pilot

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This webpage is intended to provide information regarding the PM10-2.5 (coarse) Chemical Speciation Pilot Project. The PM10-2.5 speciation pilot provides information for future development and implementation of a PM10-2.5 speciation monitoring program. Several issues need further exploration in order to develop a long-term PM10-2.5 speciation monitoring plan.  The EPA is managing a pilot project at a two locations (Phoenix and St. Louis) to aid our understanding of the issues associated with PM10-2.5 speciation monitoring and the most appropriate way to measure PM10-2.5 species in the future. The pilot study began sampling in May 2010 and completed sample collection in May 2011.

The primary objective for PM10-2.5 speciation data in the future is for scientific purposes to support further research in understanding the chemical composition and sources of PM10, PM10-2.5, and PM2.5. 

Documents and reports related to the pilot project are provided below:

 


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