CRC Report No. A-34 - Coordinating Research Council

April 2005
APPENDICES
Appendix A: Supplemental Modeling Results
Appendix B: CMB-Derived Source Contribution Estimates for Round 4
by Receptor Location and Time of Day and Experiment
TABLES
Table 2-1. PAMS species included in the modeling analysis with reaction
rate constants at 298 K and background concentrations...................................... 2-3
Table 2-2. Emission inventories (tons/day) for the CAMx-CB4
modeling of oxidant fields ................................................................................... 2-5
Table 2-3. Source category groups for the CAMx-RTRAC simulation
of detailed VOC composition. ............................................................................. 2-7
Table 2-4. Top 20 speciation profiles by ROG emissions in the
ARB emissions inventory for August 5, 1997..................................................... 2-7
Table 2-5. Estimated North American biogenic emission totals by
species and organized by emissions mechanism (rows)...................................... 2-9
Table 2-6. Major VOC emission sources from the TCEQ point source
database (PSDB) for year 2000............................................................................ 2-9
Table 2-7. Industrial source complexes synthesized for six locations
in the Los Angeles area...................................................................................... 2-10
Table 2-8. Target variability (1 sigma) in weight fraction for random sampling noise...... 2-11
Table 2-9. Source category contribution (Percent of ROG) for each
experiment in Rounds 1 and 2. .......................................................................... 2-16
Table 2-10. Total emissions of TOG, ROG and PAMS species in the
base inventory used to prepare each experiments.............................................. 2-17
Table 2-11. Total emissions by source category for experiment 1 on August 5, 1997......... 2-17
Table 2-12. Alternate speciation profiles used in experiment 3............................................ 2-17
Table 2-13. Replacement of base case speciation profiles by alternate profiles
in experiment 3 and the number of source categories (SCCs) affected............. 2-18
Table 2-14. Species composition data for the virtual tunnel study ....................................... 2-23
Table 2-15. Model year distribution for vehicles in the virtual tunnel study........................ 2-24
Table 2-16. Emission factors (g/mi) by speciation profile developed
for the virtual tunnel study................................................................................. 2-24
Table 2-17. Fuel composition for gasoline, LPG and CNG (weight fraction)
and average air composition at San Nicolas Island (ppbC). .............................. 2-26
Table 2-18. Design of experiments 9-12 for Round 3........................................................... 2-27
Table 2-19. Assignment of DRI source profiles to A-34 source categories for Round 3. .... 2-27
Table 3-1. PAMS target compounds ..................................................................................... 3-8
Table 3-2. Criteria for including compounds as fitting species. ........................................... 3-9
Table 3-3. Source composition profiles used in Round 1 of CRC A-34............................... 3-9
Table 3-4. Normalized source composition profiles used in Round 1 of CRC A-34
(normalized to sum of 55 PAMS species as weight percent) ............................ 3-10
Table 3-5. Sensitivity of CMB performance in Round 4 with
alternative mobile source profiles...................................................................... 3-12
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