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                    Emission Inventory Requirements for the
                    NYC 10-County PM2.5 Nonattainment Area
       PM2.5 Redesignation/Full Maintenance Plan Demonstration Checklist

                                       
                     Emission Inventory Requirements for 
       PM2.5 Redesignation/Full Maintenance Plan Demonstration Checklist


 PM2.5 Attainment Year Inventory Requirements

Select a calendar year which shows violation-free data and develop an emissions inventory based on that year for the PM2.5 nonattainment area.  This is considered as the attainment year inventory.
       
       Yes, see Section 1 of EPA's TSD, New York submitted 2007 inventory which is one of three attainment years.

Emissions are based on annual emissions for annual PM2.5, SO2, NOx, NH3 and VOC
       
       Yes, the SIP includes VOC, NH3, PM10, PM2.5, SO2 and NOx emissions.  

Provide an explanation on how the point, area, nonroad mobile and onroad mobile source inventory are developed.

      Yes, for the 2007 Attainment Year Inventory see Section 1 of EPA's TSD. 

B.	Projection Inventory and PM2.5 Maintenance Plan Demonstration Requirements 

 Emissions should be projected from the attainment year to at least 10 years into the future.  Provide summary of controlled emissions for point, area, nonroad and onroad mobile sources.  This is the endpoint/10-year inventory.
       
       Yes, this information was provided for the end year inventory 2025.  See Section 2 of EPA's TSD.
       
 At a minimum, emissions should be projected to a midpoint year between the attainment year and the endpoint/10-year inventory.  This is the interim inventory. Provide summary of controlled emissions for point, area, nonroad and onroad mobile sources for the PM2.5 nonattainment area for the interim year inventory.
       
       Yes, see Section 2 of EPA's TSD.  The interim inventory year is 2017.

 State must provide a demonstration which shows that the interim and 10-year projected inventory emissions (with future controls) will not exceed the attainment inventory emission levels.  Provide summary of emissions for 10-year projected and interim year point, area, nonroad mobile and onroad mobile sources.
 
       Yes, see Section 2 of EPA's TSD.

 Provide an explanation on how the point, area, nonroad mobile and onroad mobile source projection inventories are developed.
        
 	Yes, see Section 2 of EPA's TSD. 
 
 5.	If the endpoint/10-year projected and interim year inventory emissions are lower than the attainment year inventory, the State must show the total emission credits the control program that will reduce emissions from the attainment year level to a level that is below the attainment inventory level.  
 
 	Yes, see Section 2 of EPA's TSD. 
  
