Read Me for a description of the files below and sample calculation methodology. 

The files below are in notepad format. Due to the large number of files included in each group, the main file is zipped.  Additional software is required to open the links below. A WinZip program is available at www.winzip.com.

Reference files include a cross reference of emissions speciation profile codes, split factor files and SCC code descriptions.

County by county speciated inventory for area, point and off-road sources and for on-road sources, including NO, NO2, OLE, PAR, TOL, etc. and further broken down by speciation profile codes of interest in the respective counties.

A summary of criteria pollutants for area, point and off-road sources and for on-road sources,  including VOC, CO, NOx, by Colorado county, broken out by SCC code and further broken out by SIC code.