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. 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.