D-1 APPENDIX D – CALPOST SCREENING CONFIGURATION

The tables below identify the recommended CALP OST processor screening configurations for CENRAP BART modeling.

Table D-1. Input Groups in the CALPOST Processor Control File.

Group Description Applicable to CENRAP BART 0 Input and output file names Yes 1 General Run Control Parameters Yes 2 Visibility Parameters Yes 3 Output Options Yes

Table D-2. CALPOST Processor Input Group 1: General Run Control Parameters.

Parameter DEFAULT CENRAP Comments ISYR -- 2001 Starting year ISMO -- 1 Starting month ISDY -- 1 Starting day ISHR -- 0 Starting hour NPER -- 8760 Number of periods to process NREP 1 1 Process every hour of data? Yes = 1 ASPEC -- VISIB Process species for visibility ILAYER 1 1 Layer/deposition code; 1 for CALPUFF concentrations A 0.0 0.0 Scaling factor, slope B 0.0 0.0 Scaling factor, intercept LBACK F F Add hourly background concentrations or fluxes? LG F F Process gridded receptors? LD F T Process discrete receptors? LCT F F Process complex terrain receptors? LDRING F F Report receptor ring results? NDRECP -1 -1 Select all discrete receptors IBGRID -1 -1 

### X index of LL corner of receptor grid JBGRID -1 -1 

### Y index of LL corner of receptor grid IEGRID -1 -1 

### X index of UR corner of receptor gridD-2 JEGRID -1 -1 

### X index of UR corner of receptor grid NGONOFF 0 0 Number of gridded receptor rows NGXRECP 1 0 Exclude specific gridded receptors, Yes = 0

Table D-3. CALPOST Processor Input Gro up 2: Species Processing Information.

Parameter DEFAULT CENRAP Comments RHMAX 98 95 Maximum RH (%) used in particle growth curve LVSO4 T T Compute light extinction for sulfate? LVNO3 T T Compute light extinction for nitrate? LVOC T T Compute light extinction for organic carbon? LVMPC T T Compute light extinction for coarse particles? LVMPF T T Compute light extinction for fine particles? LVEC T T Compute light extinction for elemental carbon? LVBK T T Include background in extinction calculation? SPECPMC PMC PMC Coarse particulate species SPECPMF PMF PM10 Fine particulate species EEPMC 0.6 0.6 Extinction efficiency for coarse particulates EEPMF 1.0 1.0 Extinction efficiency for fine particulates EEPMCBK 0.6 0.6 Extinction efficiency for coarse part. background EESO4 3.0 3.0 Extinction efficiency for ammonium sulfate EENO3 3.0 3.0 Extinction efficiency for ammonium nitrate EEOC 4.0 4.0 Extinction efficiency for organic carbon EESOIL 1.0 1.0 Extinction efficiency for soil EEEC 10.0 10.0 Extinction efficiency for elemental carbon MVISBK 2 6 Method 6 for background light extinction: Compute extinction from speciated PM measurements. FLAG RH adjustment factor applied to observed & modeled sulfate and nitrate BEXTBTBK -- 12 Background extinction for MVISBK=1 (1/Mm) RHFRAC -- 10 Percentage of particles affected by RH RHFAC 12*value Depends on Class I Area Extinction coefficients for modeled and background hygroscopic species computed using EPA (2003) monthly RH adjustment factors BKSO4 0.12 0.12 Background sulfate extinction coeff – west BKNO3 0.10 0.10 Background nitrate extinction coeff – west BKPMC 3.00 3.00 Background coarse part. extinction coeff – west BKSOC 0.47 0.47 Background organic carbon extinct. coeff – westD-3 BKSSOIL 0.50 0.50 Background soil extinction coeff – west BKSEC 0.02 0.02 Background elem. carbon extinct. coeff – east BKSO4 0.23 0.23 Background sulfate extinction coeff – east BKNO3 0.10 0.10 Background nitrate extinction coeff – east BKPMC 3.00 3.00 Background coarse part. extinction coeff – east BKSOC 1.40 1.40 Background organic carbon extinct. coeff – east BKSSOIL 0.50 0.50 Background soil extinction coeff – east BKSEC 0.02 0.02 Background elem. carbon extinct. coeff – east BEXTRAY 10.0 10.0 Extinction due to Rayleigh scattering (1/Mm)

Table D-4. CALPOST Processor Input Group 3: Output Options.

Parameter DEFAULT CENRAP Comments LDOC F F Print documentation image? IPRTU 1 3 Print output units (μg/m 3 ) for concentrations and (μg/m 2 /sec) for deposition L1HR T F Report 1 hr averaging times L3HR T F Report 3 hr averaging times L24HR T T Report 24 hr averaging times LRUNL T F Report run-length (annual) averaging times LT50 T F Top 50 table LTOPN F F Top ‘N’ table NTOP 4 4 Number of ‘Top-N’ values at each receptor ITOP 1,2,3,4 1,2,3,4 Ranks of ‘Top-N ’ values at each receptor LEXCD F F Threshold exceedances counts THRESH1 -1.0 -1.0 Averaging time threshold for 1 hr averages THRESH3 -1.0 -1.0 Averaging time threshold for 3 hr averages THRESH24 -1.0 -1.0 Averaging time threshold for 24 hr averages THRESHN -1.0 -1.0 Averaging time threshold for NAVG-hr averages NDAY 0 0 Accumulation period, days NCOUNT 1 1 Number of exceedances allowed LECHO F F Echo option LTIME F F Time series option LPLT F F Plot file option LGRD F F Use grid format instead of DATA format LDEBUG F F Output information for debugging?