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Complete Regional Transportation Plan 2012 - Cape Cod ...

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AIR QUALITY CONFORMITY ANALYSISThe emissions from the following MPOs have been combined to show conformitywith the SIP for the Eastern Massachusetts Ozone Nonattainment Area:• <strong>Cape</strong> <strong>Cod</strong> MPO• Central Massachusetts MPO• Merrimack Valley MPO• Boston MPO• Montachusett Region MPO• Northern Middlesex MPO• Old Colony MPO• Southeastern Region MPO• Martha's Vineyard Commission*• Nantucket <strong>Plan</strong>ning and Economic Development Commission** These regions do not contain any official urbanized areas, but are considered to beMPOs for planning purposes.Using the latest planning assumptions, the Massachusetts Department of<strong>Transportation</strong>, Office of <strong>Transportation</strong> <strong>Plan</strong>ning, in coordination with MPO staff,estimated the emissions for VOC and NOx for all MPOs in Eastern Massachusettsthrough a combination of the statewide and Boston Region travel demand models. TheVOC mobile source emission budget for 2009 and beyond for the Eastern MassachusettsNonattainment Area has been set at 63.50 tons per summer day and the 2009 (andbeyond) mobile source budget for NOx is 174.96 tons per summer day. As shown inTables 1 and 2, the results of the air quality analysis demonstrate that the VOC and NOxemissions from all Action scenarios are less than the VOC and NOx emissions budgetsfor the Eastern Massachusetts Nonattainment Area:Appendix: Air Quality Conformity <strong>Cape</strong> <strong>Cod</strong> <strong>Regional</strong> <strong>Transportation</strong> <strong>Plan</strong> | August 2011Page 14

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