This webpage serves to collect CRC reports related to the development, improvement, and/or application of PMI (or alternative PM indices e.g. RW-107 project series). In addition, this page includes projects that have developed enhanced DHA methodologies, or performed comparisons of DHA data and resulting PMI calculations (e.g. the AVFL-29 projects series).

DHA and PMI Related Publications:

CRC Project No. RW-107-2
“An Improved Index for Particulate Matter Emissions (PME)”
(includes database and DHA reference)
By Rincon Ranch Consulting, Trinity Consultants, Inc. March 2021.

CRC Project No. E-127-1
“Analysis And Review of DHA Methods Used in CRC Oxygenated Gasoline Emissions Projects E-94-2, E-94-3 and E-129”
(includes database and DHA reference)
By Southwest Statistical Consulting, LLC. March 2021.

CRC Project No. RW-107
“Assessment of the Relative Accuracy of the PM Index and Related Methods”
By Rincon Ranch Consulting, Trinity Consultants, Inc. April 2019.

CRC Project No. AVFL-29
“Enhanced Speciation of Gasoline”
(includes database)
By Separation Systems, Inc.  June 2018.

CRC Project No. E-94-3
“Impacts of Splash-Blending on Particulate Emissions for SIDI Engines”
(includes data summary)
By Southwest Research Institute. June 2018.

CRC Project No. E-94-2
“Evaluation and Investigation of Fuel Effects on Gaseous and Particulate Emissions on SIDI In-Use Vehicles”
(includes data summary)
By Southwest Research Institute. March 2017.

 

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