– Particulate Matter Conformity Determination Clause Samples

– Particulate Matter Conformity Determination. In order for the project to obtain an FHWA conformity determination, a separate conformity determination for fine particulate matter (PM2.5) is needed before the Draft Environmental Document is issued for public review. The conformity process consists of completing a PM2.5 Assessment Form and related deliverables, engaging in interagency consultation with the Bay Area Air Quality Conformity Task Force (chaired by the Metropolitan Transportation Commission [MTC]), and engaging in public participation as part of the Draft Environmental Document public review. Potential PM2.5 effects from transportation projects are strongly correlated with truck volumes and percentages compared to overall traffic volumes on the same roadways. The US ▇▇▇/▇▇▇▇▇▇▇▇ ▇▇▇▇ interchange has high total vehicle volumes but relatively low truck 1 Caltrans District 4 currently advises the use of this model for construction emissions evaluations in the Bay Area.