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CALPUFF and Postprocessors

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Table F-3 (Continued)<br />

Control File Inputs - Input Group 3<br />

Species List<br />

Species-groups can be used to allow mass distributions of particles to be source-specific. In the example<br />

provided in Table F-2, we have defined six particle-sizes as individual species:<br />

! CSPEC = SO2 ! !END!<br />

! CSPEC = NOX ! !END!<br />

! CSPEC = PMSIZE1 ! !END!<br />

! CSPEC = PMSIZE2 ! !END!<br />

! CSPEC = PMSIZE3 ! !END!<br />

! CSPEC = PMSIZE4 ! !END!<br />

! CSPEC = PMSIZE5 ! !END!<br />

! CSPEC = PMSIZE6 ! !END!<br />

Dry<br />

OUTPUT GROUP<br />

SPECIES MODELED EMITTED DEPOSITED NUMBER<br />

NAME (0=NO, 1=YES) (0=NO, 1=YES) (0=NO, (0=NONE,<br />

(Limit: 12 1=COMPUTED-GAS 1=1st CGRUP,<br />

Characters 2=COMPUTED-PARTICLE 2=2nd CGRUP,<br />

in length) 3=USER-SPECIFIED) 3= etc.)<br />

! SO2 = 1, 1, 1, 0 !<br />

! NOX = 1, 0, 2, 0 !<br />

! PMSIZE1 = 1, 1, 2, 1 !<br />

! PMSIZE2 = 1, 1, 2, 1 !<br />

! PMSIZE3 = 1, 1, 2, 1 !<br />

! PMSIZE4 = 1, 1, 2, 1 !<br />

! PMSIZE5 = 1, 1, 2, 1 !<br />

! PMSIZE6 = 1, 1, 2, 1 !<br />

!END!<br />

This allows each size to be modeled separately, each with its own mass emission rate <strong>and</strong> deposition<br />

velocity. Several sources in the run could have been given different emission rates for these "species",<br />

thereby producing unique mass distributions for their particulate emissions. Prior to reporting any<br />

concentrations or deposition fluxes for these individual "species", however, they must be summed to<br />

provide the total particulate concentration or deposition flux. This is done through "grouping":<br />

-------------<br />

Subgroup (3b)<br />

-------------<br />

! CGRUP = PM10 ! !END!<br />

MAR 2006 – <strong>CALPUFF</strong><br />

F-50

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