CRC Report No. A-34 - Coordinating Research Council

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April 2005 0.25 Profile median PAMS fractions and inter-quartile range for A-34 category 1 (Onroad Mobile Gasoline Catalyst Exhaust - Start) 0.2 PAMS Fraction 0.15 0.1 0.05 0 ETHENE ACETYL ETHANE PROPE N_PROP I_BUTA LBUT1E N_BUTA T2BUTE C2BUTE IPENTA PENTE1 N_PENT I_PREN T2PENE C2PENE BU22DM CPENTA BU23DM PENA2M PENA3M P1E2ME N_HEX MCYPNA PEN24M BENZE CYHEXA HEXA2M PEN23M HEXA3M PA224M N_HEPT MECYHX PA234M TOLUE HEP2ME HEP3ME N_OCT ETBZ MP_XYL STYR O_XYL N_NON IPRBZ N_PRBZ M_ETOL P_ETOL BZ135M O_ETOL BZ124M N_DEC BZ123M DETBZ1 DETBZ2 N_UNDE 0.6 Profile median PAMS fractions and inter-quartile range for A-34 category 16 (Other Surface Coatings and Industrial Solvents) 0.5 0.4 0.3 0.2 0.1 0 ETHENE ACETYL ETHANE PROPE N_PROP I_BUTA PAMS Fraction LBUT1E N_BUTA T2BUTE C2BUTE IPENTA PENTE1 N_PENT I_PREN T2PENE C2PENE BU22DM CPENTA BU23DM PENA2M PENA3M P1E2ME N_HEX MCYPNA PEN24M BENZE CYHEXA HEXA2M PEN23M HEXA3M PA224M N_HEPT MECYHX PA234M TOLUE HEP2ME HEP3ME N_OCT ETBZ MP_XYL STYR O_XYL N_NON IPRBZ N_PRBZ M_ETOL P_ETOL BZ135M O_ETOL BZ124M N_DEC BZ123M DETBZ1 DETBZ2 N_UNDE 0.4 Profile median PAMS fractions and inter-quartile range for A-34 category 21 (Synthetic Industrial) 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 ETHENE ACETYL ETHANE PROPE N_PROP I_BUTA PAMS Fraction LBUT1E N_BUTA T2BUTE C2BUTE IPENTA PENTE1 N_PENT I_PREN T2PENE C2PENE BU22DM CPENTA BU23DM PENA2M PENA3M P1E2ME N_HEX MCYPNA PEN24M BENZE CYHEXA HEXA2M PEN23M HEXA3M PA224M N_HEPT MECYHX PA234M TOLUE HEP2ME HEP3ME N_OCT ETBZ MP_XYL STYR O_XYL N_NON IPRBZ N_PRBZ M_ETOL P_ETOL BZ135M O_ETOL BZ124M N_DEC BZ123M DETBZ1 DETBZ2 N_UNDE Figure 2-4. Spatial/temporal variation in source profiles for three A-34 categories (1, 16 and 21) in experiment 1. The symbols show the median PAMS fraction and the lines the interquartile range (25 th to 75 th percentiles). The mean source profiles for all A-34 categories in experiment 1 are presented in Figure 2-5. This figure is useful in a qualitative sense to see which source profiles were similar and different. The species order from left to right is the same as Table 2-1 and the A-34 source category order H:\crca34-receptor\report\Final\sec2.doc 2-19
April 2005 from front to back is the same as Table 2-3. The same information is given quantitatively in Table A-4 of Appendix A. Table A-5 presents mean source profiles for experiment 3, “alternate source profiles.” The on-road mobile source gasoline exhaust profiles (first four A-34 categories at the front of Figure 2-5) are similar, which they should be since all are based on similar fuel composition. We deliberately selected mobile source profiles that reflected the same type of fuel so that the experiments would be closer to real-world conditions. The source profiles for solvents, coatings and industrial sources toward the back of Figure 2-5 have peaks for many species that are low in the mobile source profiles toward the front of Figure 2-5. There also are species that are high in mobile and non-mobile source profiles such as ethane, the left most species in Figure 2-5. Domainwide Mean Source Profiles for Experiment 1by A-34 Category 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 PAMS Fraction 0.05 A-34 Category 1 2345678910111213141516171819202122 ETHENE ACETYL ETHANE PROPE N_PROP I_BUTA LBUT1E N_BUTA T2BUTE C2BUTE IPENTA PENTE1 N_PENT I_PREN T2PENE C2PENE BU22DM CPENTA BU23DM PENA2M PENA3M P1E2ME N_HEX MCYPNA PEN24M BENZE CYHEXA HEXA2M PEN23M HEXA3M PA224M N_HEPT MECYHX PA234M TOLUE HEP2ME HEP3ME N_OCT ETBZ MP_XYL STYR O_XYL N_NON IPRBZ N_PRBZ M_ETOL P_ETOL BZ135M O_ETOL BZ124M N_DEC BZ123M DETBZ1 DETBZ2 N_UNDE 0 Figure 2-5. Mean source profiles for experiment 1. The profiles are for 55 PAMS species over 22 source categories. These are mean profiles because each A-34 category may combine several SCCs that have different speciation profiles. 2.5 SUPPORTING INFORMATION FOR ROUND 2 In Round 2, DRI analyzed the same experiments as in Round 1 but was provided with additional information that a receptor modeler would typically have available to support a “real-world” receptor model application. DRI requested information on: H:\crca34-receptor\report\Final\sec2.doc 2-20
Page 1 and 2: International Corporation Air Scien
Page 3 and 4: April 2005 TABLE OF CONTENTS Page E
Page 5 and 6: April 2005 Table 4-1. Categories id
Page 7 and 8: April 2005 EXECUTIVE SUMMARY Recept
Page 9 and 10: April 2005 Comparing the performanc
Page 11 and 12: April 2005 90 12 Anaheim 80 10 Cr e
Page 13 and 14: April 2005 This assumption is a mat
Page 15 and 16: April 2005 dissimilar from the loca
Page 17 and 18: April 2005 1.0 INTRODUCTION 1.1 STU
Page 19 and 20: April 2005 1.4 OVERVIEW OF PROJECT
Page 21 and 22: April 2005 Meteorological input dat
Page 23 and 24: April 2005 A-34 Num Short Name Full
Page 25 and 26: April 2005 Sunday 3-Aug-97 Monday 4
Page 27 and 28: April 2005 ARB ROG TOG ARB Profile
Page 29 and 30: April 2005 Industrial facilities fr
Page 31 and 32: April 2005 Figure 2-2. Comparison o
Page 33 and 34: April 2005 2.4 EXPERIMENTS FOR ROUN
Page 35 and 36: April 2005 Table 2-9. Source catego
Page 37: April 2005 Table 2-13. Replacement
Page 41 and 42: April 2005 3. Set the average diese
Page 43 and 44: April 2005 Table 2-15. Model year d
Page 45 and 46: April 2005 Table 2-17. Fuel composi
Page 47 and 48: April 2005 3.0 RECEPTOR MODELING ME
Page 49 and 50: April 2005 Selection of Fitting Spe
Page 51 and 52: April 2005 samples. Spatial variati
Page 53 and 54: April 2005 • Removed ethane from
Page 55 and 56: April 2005 Table 3-2. Criteria for
Page 57 and 58: April 2005 Table 3-4 (continued). N
Page 59 and 60: April 2005 120 100 80 60 40 20 0 no
Page 61 and 62: April 2005 4.0 RESULTS This section
Page 63 and 64: April 2005 (c) Round 4: Experiment
Page 65 and 66: April 2005 emissions contributions,
Page 67 and 68: April 2005 reactivity and found CMB
Page 69 and 70: April 2005 (c) Round 4: Experiments
Page 71 and 72: April 2005 (a) 6:00am to 9:00am 80
Page 73 and 74: April 2005 (a) siteid Anaheim exp 1
Page 75 and 76: April 2005 influence CMB performanc
Page 77 and 78: April 2005 Round 3: Experiments 9-1
Page 79 and 80: April 2005 Comparison of Source Con
Page 81 and 82: April 2005 Table 4-2. Source catego
Page 83 and 84: April 2005 contributions being diff
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Page 87 and 88: April 2005 Experiment 1: Base Case
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April 2005 28. Spatial heterogeneit
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April 2005 composition derived from
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April 2005 species (CNG and LPG for
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April 2005 REFERENCES Allen, P. 200
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April 2005 Guenther, A., B. Baugh,
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APPENDIX A Supplemental Modeling Re
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SCC Description TOG %TOG Cumulative
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SCC Description TOG %TOG Cumulative
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ARB Profile Number TOG %Total % TOG
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A-34 Number SCC Code SCC Descriptio
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A-34 Number SCC Code SCC Descriptio
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Table A-4 (continued). A-34 Source
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Table A-5. Mean source profiles (PA
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Table A-5 (concluded). A-34 Source
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APPENDIX B CMB-Derived Source Contr
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SCE (ppbC) SCE (ppbC) 18 16 14 12 1
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SCE (ppbC) 14 12 10 8 6 4 2 0 6 5 C
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SCE (ppbC) 12 10 8 6 4 2 0 6 5 Cons
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SCE (ppbC) 10 9 8 7 6 5 4 3 2 1 0 6
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SCE (ppbC) 6 5 4 3 2 1 0 Consumer P
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SCE (ppbC) SCE (ppbC) SCE (ppbC) 4
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SCE (ppbC) SCE (ppbC) 12 10 8 6 4 2
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SCE (ppbC) SCE (ppbC) SCE (ppbC) 10
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SCE (ppbC) 9 8 7 6 5 4 3 2 1 0 12 1
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SCE (ppbC) SCE (ppbC) SCE (ppbC) SC
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SCE (ppbC) 6 5 4 3 2 1 0 Consumer P
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SCE (ppbC) 160 140 120 100 80 60 40
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Diamond Bar - Source Category 14 Di
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CRC Report No. A-34 - Coordinating Research Council

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