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Pages 10-13

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From page 10...
... 10 3.1 Overview There are four worksheets denoted with orange-shaded tabs in the EIAT for the input and processing of airport activity data. • Worksheet 3.1 is where the annual airport operations data source option is selected and the corresponding data are entered.
From page 11...
... Airport Activity Data 11 operations should always begin in Row 9 and continue to Row 373 or Row 374 (depending on leap year)
From page 12...
... 12 Best Practices Guidebook for Preparing Lead Emission Inventories from Piston-Powered Aircraft with the Emission Inventory Analysis Tool 3. Because temporal variation is observed to be regional and airport specific, the use of a default national average is less precise.
From page 13...
... Airport Activity Data 13 0% 5% 10% 15% 20% 25% Sunday Monday Tuesday Wednesday Thursday Friday Saturday Pe rc en ta ge o f W ee kl y O pe ra tio n s Operations by Day of Week General Aviation (User-Supplied Facility, CY = 2013) Air Taxi (User-Supplied Facility, CY = 2013)

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