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Tribal Case Study: Modeling Les Benedict St. Regis Mohawk Tribe
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2 Tribal Case Study: Modeling
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4 Pulp and paper SO2 Mercury Mercaptan
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5 Tribal Case Study: Modeling Aluminum Fluoride POM PCBs
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6 Tribal Case Study: Modeling Automotive Styrene PCBs
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7 Tribal Case Study: Modeling Assess impacts to tribal airshed Research existing information NYS
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8 Tribal Case Study: Modeling Emissions inventory Characterize impacts Quantitative Categorize
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9 Tribal Case Study: Modeling Emission Inventory Use of emission Factors Per-capita calculations Models
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10 Tribal Case Study: Modeling Model: definition Analogy Help visualize Emulate System of data, inference Mathematical description
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11 Tribal Case Study: Modeling Model Estimate source receptor relationships Patterns of concentrations of air pollutants
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12 Tribal Case Study: Modeling Models predict Emission rates Concentrations Fugitive releases Points of impact
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13 Tribal Case Study: Modeling Patterns Regional – Ozone, haze Local – Urban air shed Global – global warming
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14 Tribal Case Study: Modeling Models: characteristics Simple – SCREEN3 Complex – ISC3
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15 Tribal Case Study: Modeling Models Conservative Overestimate impacts Important for “risk” scenarios
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16 Tribal Case Study: Modeling Emissions inventory tools AP42 Volume 1 EPA emission factors for stationary sources AP42 Volume 2 EPA emission factors for mobile sources
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17 Tribal Case Study: Modeling Emissions inventory tools (cont.) Emission Inventory Improvement Program (EIIP) guidance documents Spell out the Process for EIs Factor Information Retrieval (FIRE) Database of factors for HAPs
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18 Tribal Case Study: Modeling Emissions inventory tools (cont.) Locating and Estimating Documents Clearinghouse for Inventory and Emission Factors (CHIEF) MODELS
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19 Tribal Case Study: Modeling SRMT EI TANKS3 Mobile 5a and 5b
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20 Tribal Case Study: Modeling TANKS 3 Petroleum Bulk Storage (PBS) tanks Computer-based DOS system
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21 Tribal Case Study: Modeling TANKS3 Calculates VOC and ozone emissions Stage I filling Operational losses
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22 Tribal Case Study: Modeling TANKS3 DOS system Developed in FOXPRO Easier to use Menu driven
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23 Tribal Case Study: Modeling Mobile 5a & 5b Criteria pollutants from MV VOCs from Stage II Evaporative losses
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24 Tribal Case Study: Modeling Mobile 5a & 5b DOS system FORTRAN No GUI Not as easy to use
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25 Tribal Case Study: Modeling Computer Aided Management of Emergency Operations (CAMEO) Areal Locations of Hazardous Atmospheres (ALOHA) Mapping Applications for Response, Planning, and Local Operational Tasks (MARPLOT)
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26 Tribal Case Study: Modeling CAMEO Chemical search engine Linked to chemical-specific information firefighting techniques, cleanup procedures, and protective clothing Basic information on Tier II facilities that store chemicals Emergency planning resources
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27 Tribal Case Study: Modeling ALOHA atmospheric dispersion model used for evaluating releases of hazardous chemical vapors
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28 Tribal Case Study: Modeling MARPLOT allows users to "see" their data (e.g., roads, facilities, schools, response assets) Display this information on computer maps Overlay areas contaminated by potential or actual chemical release Maps created from the U.S. Bureau of Census TIGER/Line files
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29 Tribal Case Study: Modeling CAUTION Before installing software Check with LAN administrator or your Techie Review operating system requirements
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30 Tribal Case Study: Modeling Before you start README files Manuals Instructions First things first!
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31 Tribal Case Study: Modeling DOS-based systems E.g. FORTRAN Require INPUT files Data entry very specific in format and placement Uses abbreviations Truncation
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32 Tribal Case Study: Modeling Using models Plan for their use Provide adequate time Work plans Budgeting It takes weeks to months to Learn Collect data
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33 Tribal Case Study: Modeling Using models Seek expert help EPA modelers/developers State modelers/developers Other users
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34 Tribal Case Study: Modeling Using models Understand limitations Understand intended uses Screening level Risk exposure
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35 Tribal Case Study: Modeling TANKS
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36 Tribal Case Study: Modeling TANKS Version 3.1 was used Storage Tank Emissions Calculations Earlier versions 1.0, 2.0, 3.1 designed strictly for DOS environment Written with FOXPRO
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37 Tribal Case Study: Modeling TANKS Version 4 is latest version TANKS4 designed for Windows Win 95, 98 or NT Written using Visual Basic Do not install on a LAN
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38 Tribal Case Study: Modeling TANKS Storage tank Estimates Volatile organic compounds (VOCs) HAPS Does not predict values for any receptor point
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39 Tribal Case Study: Modeling TANKS Chemical data Meteorological data Storage Tank Information
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40 Tribal Case Study: Modeling TANKS Vertical or horizontal fixed roof
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41 Tribal Case Study: Modeling TANKS Internal or external floating roof tanks
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42 Tribal Case Study: Modeling TANKS Domed External floating roof tanks
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43 Tribal Case Study: Modeling TANKS Underground tanks
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44 Tribal Case Study: Modeling TANKS Data is entered through a series of menus Storage tank info Stored liquid info
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45 Tribal Case Study: Modeling TANKS Batch mode operation Single file mode Database for over 100 organic liquids Database for over 240 cities More liquids and cities can be added
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46 Tribal Case Study: Modeling TANKS Steps Read documentation Installed program Worked with sample data Become familiar with the program Learned data requirements
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47 Tribal Case Study: Modeling TANKS No “special” features Standard key-board entry Some F1-F12 functions to learn
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49 Tribal Case Study: Modeling TANKS Overview Provides information about the program Describes general features
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50 Tribal Case Study: Modeling TANKS 4 Key Elements needed to generate emissions information Tank information Fitting information Site information Liquid information
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51 Tribal Case Study: Modeling TANKS Tank information Type ID number A description State Company
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52 Tribal Case Study: Modeling TANKS Tank information Dimensions Length, width, diameter, radius, slope, etc. Annual throughputs (gallons/year) Turnovers/year - # times emptied/filled
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53 Tribal Case Study: Modeling TANKS Tank information Paint color Breather vent settings Liquid heights Working volumes Whether tanks is heated or not
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54 Tribal Case Study: Modeling TANKS Tank information Condition of tank shell Roof condition and type Vacuum settings in pounds per square inch gauge (PSIG) Pressure settings (relief valves)
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55 Tribal Case Study: Modeling TANKS Default settings Others you will need to research and obtain There is a lot of work to do before running the program
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56 Tribal Case Study: Modeling TANKS Data must be Accurate Valid Documented
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57 Tribal Case Study: Modeling Bob’s Electric &. Maintenance Gasoline Alley -P.O. Box 196 Hogansburg, New York 13655 Petroleum Marketing Equipment Sales -Installation -Service ST. REGIS MOHAWK TRIBE ENVIRONMENT DIVISION ATTENTION: Les Benedict 8/29/98 OPW MODEL 523-1100 UNIVERSAL MODEL 46--2080 ENTERPRISE BRASS WORKS MODEL 802303 PRESSURE 8 OZ/PSJ PRESSURE 8 OZ/PSJ PRESSURE 8 OZ/PSI VACUUM 1/2 OZ/PSI VACUUM 1/2 OZ/PSI VACUUM 5 OZ/PSI
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59 Tribal Case Study: Modeling TANKS Information is critical Tank supplier Owner operator Installer Inspection
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60 Tribal Case Study: Modeling TANKS Information affects results of the model Tank color Heat adsorption Pressure settings Release of vapors Design Surface area affected by heat
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61 Tribal Case Study: Modeling TANKS Information affects results of model Turnover Throughput Vapor displacement
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62 Tribal Case Study: Modeling TANKS Information affects results of model Fitting information Seal around floating roof tanks Relates to vapor loss along edge
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63 Tribal Case Study: Modeling TANKS Site Information Daily average temperature degrees F Annual maximum temperature degrees F Annual minimum temperature degrees F
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64 Tribal Case Study: Modeling TANKS Site information Average wind speed, mph Annual average solar insolation factor, Btu/ft*ft*day
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66 Tribal Case Study: Modeling TANKS Site information From TANKS database Use nearest city Or, obtain information from National Climatic Data Center (NCDC) EPA Technology Transfer Network website
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69 Tribal Case Study: Modeling TANKS Liquid Information
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73 Tribal Case Study: Modeling TANKS Liquid information From database From other sources NIOSH Guide CAMEO CAS
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74 Tribal Case Study: Modeling TANKS Liquid information The selection is assisted by Chemical Abstract Service (CAS) number Chemical name Look out for synonyms
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75 Tribal Case Study: Modeling TANKS Report Generation Storage Loss Working Loss Withdrawal loss Rim seal loss Fitting loss Deck Seam loss
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76 Tribal Case Study: Modeling TANKS Report Generation Brief Summary Detailed
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77 Tribal Case Study: Modeling TANKS Report Generation Printed Exported Excel Lotus
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78 ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ» º TANKS Program 3.1 11/17/98 º º Emissions Report - Summary Format PAGE 1 º º Tank Identification and Physical Characteristics º ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ Identification Identification No.: 17 City: Hogansburg State: NY Company: Rez Gaz Type of Tank: Horizontal Fixed Roof Description: Borderline Tank 1
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79 Tribal Case Study: Modeling Tank Dimensions Shell Length (ft): 21.3 Diameter (ft): 8.0 Volume(gallons): 8000 Is tank underground? (Y/N): N Turnovers: 24.0 Net Throughput (gal/yr): 192000 Paint Characteristics Shell Color/Shade: White/White Shell Condition: Good
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80 Tribal Case Study: Modeling Breather Vent Settings Vacuum Setting (psig): -0.50 Pressure Setting (psig): 0.50 Meteorological Data Used in Emission Calculations: Burlington, Vermont (Avg Atmospheric Pressure = 14.7 psia)
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81 Tribal Case Study: Modeling ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ » º TANKS Program 3.1 11/17/98 º º Emissions Report - Summary Format PAGE 2 º º Liquid Contents of Storage Tank º ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍ
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82 Tribal Case Study: Modeling Liquid Daily Liquid Surf. Bulk Vapor Liquid Vapor Temperatures (deg F) Temp. Vapor Pressures (psia) Mol. Mass Mass Mol. Basis for Vapor Pressure Mixture/Component Month Avg. Min. Max. (deg F) Avg. Min. Max. Weight Fract. Fract. Weight Calculations -------------------------------------------------------------- ---------------------------------------------------------- ---------------------------------------------- Gasoline (RVP 10) All 45.48 40.85 50.11 44.12 3.8815 3.5266 4.2648 66.000 92.00 Option 4: RVP=10.00, ASTM Slope=3.0 ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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83 Tribal Case Study: Modeling ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ» º TANKS Program 3.1 11/17/98 º º Emissions Report - Summary Format PAGE 3 º º Individual Tank Emission Totals º ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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84 Tribal Case Study: Modeling Annual Emissions Report Losses (lbs.): Liquid Contents Standing Working Total ------------------------------------------------- ------------------------- Gasoline (RVP 10) 80.49 1171.11 1251.60 Total: 80.49 1171.11 1251.60
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85 Tribal Case Study: Modeling TANKS Information compiled into EI More readable format
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86 Tribal Case Study: Modeling Gasoline Marketing: VOC and Ozone Emissions, Baseline Year 1995 ActivityVOC Emissions Tons/Year Typical Ozone Season Daily Emissions Stage I0.0500.001757 Tons Stage II355.390.976 Tons Trucks In Transit0.0526 0.0014 Tons Working Losses23.761.319 Tons/day
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87 Tribal Case Study: Modeling TANKS Overall Model becomes easy to use Understand inputs Research, document, validate data GIGO
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88 Tribal Case Study: Modeling MOBILE 5
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89 Tribal Case Study: Modeling MOBILE 5 Emission factor model Motor vehicles on highway Calculates Stage II refueling emissions
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90 Tribal Case Study: Modeling MOBILE 5 Typical Engine Combustion FUEL + AIR ==>> UNBURNED HYDROCARBONS + NITROGEN OXIDES + CARBON MONOXIDE + CARBON DIOXIDE + water
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91 Tribal Case Study: Modeling MOBILE 5 Computer based FORTRAN code Input files Output files DOS system
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92 Tribal Case Study: Modeling MOBILE 5 Calculates HC CO NOx Gasoline Diesel
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93 Tribal Case Study: Modeling MOBILE 5 Light duty vehicles Light duty trucks Heavy duty vehicles Motorcycles Diesel light duty vehicles Heavy duty vehicles
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94 Tribal Case Study: Modeling MOBILE 5 Input file features Control Section One-time data section Scenario Section
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95 Tribal Case Study: Modeling MOBILE 5 Control Section Specifies values for variables Flags Contain possible settings Numeric Results in specific action
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96 Tribal Case Study: Modeling MOBILE 5 SPDFLG Specifying one speed for all eight vehicle types Or of specifying different speeds for each vehicle type This flag can be set to 1, 2, 3, or 4
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97 Tribal Case Study: Modeling MOBILE 5 SPDFLG Value Action 1User supplies one value of average speed for all vehicle types 2User supplies eight values of average speed, one for each vehicle type
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98 Tribal Case Study: Modeling MOBILE 5 SPDFLG ValueAction 3 User supplies one value of average speed for all vehicle types, and a set of trip length distribution records for use in calculating running loss emission factors for each scenario, in the Scenario data section
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99 Tribal Case Study: Modeling MOBILE 5 SPDFLG ValueAction 4 User supplies one value of average speed for all vehicle types, and a single set of trip length distribution records for use in calculating running loss emission factors for all scenarios, in the One-time Data section
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100 Tribal Case Study: Modeling Example Input File Mobile 5a --------------------------------------------------------------------------------------------- PROMPT St. Regis Mohawk Tribe - EI 95 1 TAMFLG 1 SPDFLG 1 VMFLAG 1 MYMRFG 1 NEWFLG 1 IMFLAG 1 ALHFLG 1 ATPFLG 1 RLFLAG 2 LOCFLG - LAP record will appear once, in one-time data section. 1 TEMFLG 4 OUTFMT - 112-column descriptive format. 1 PRTFLG - Print exhaust HC, CO and NOx results. 1 IDLFLG 3 NMHFLG - Calculate emissions for volatile organic hydrocarbons. 2 HCFLAG - Print sum of all HC component emissions. SRMR Summer 95. A 57. 80. 09.0 09.0 92 1 1 1 Local Area Parameter record 1 95 45.0 70.0 20.6 27.3 20.6 07 Scenario description record 1 95 45.0 70.0 20.6 27.3 20.6 01 Scenario description record 0000000000000000000000000000000000000000000000000000000000000000000000000000000000 ------------------------------------------------------------------------------------------------
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101 Tribal Case Study: Modeling Example Output File Mobile 5a 1 St. Regis Mohawk Tribe - EI 95 MOBILE5a (26-Mar-93) 0SRMR Summer 95. Minimum Temp: 57. (F) Maximum Temp: 80. (F) Period 1 RVP: 9.0 Period 2 RVP: 9.0 Period 2 Yr: 2002 0VOC HC emission factors include evaporative HC emission factors. 0________________________________________________________________________________ 0Emission factors are as of July 1st of the indicated calendar year. 0Cal. Year: 1995 Region: Low Altitude: 500. Ft. I/M Program: No Ambient Temp: 74.3 (F) Anti-tam. Program: No Operating Mode: 20.6 / 27.3 / 20.6 Reformulated Gas: No 0Veh. Type: LDGV LDGT1 LDGT2 LDGT HDGV LDDV LDDT HDDV MC All Veh + ______ ______ ______ ______ ______ ______ ______ ______ ______ ______ Veh. Spd.: 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 VMT Mix: 0.631 0.181 0.084 0.031 0.003 0.002 0.061 0.007 0Composite Emission Factors (Gm/Mile) VOC HC: 1.44 1.87 2.51 2.07 4.52 0.39 0.57 1.29 3.26 1.70 Exhst HC: 0.82 1.12 1.58 1.27 1.51 0.39 0.57 1.29 1.12 0.99 Evap. HC: 0.25 0.33 0.45 0.37 2.19 1.84 0.34 Refuel HC: 0.17 0.22 0.23 0.22 0.37 0.17 Runing HC: 0.14 0.14 0.20 0.16 0.36 0.14 Rsting HC: 0.06 0.06 0.05 0.05 0.09 0.30 0.06
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102 Tribal Case Study: Modeling ________________________________________________________________________________ 0Emission factors are as of Jan. 1st of the indicated calendar year. 0Cal. Year: 1995 Region: Low Altitude: 500. Ft. I/M Program: No Ambient Temp: 74.3 (F) Anti-tam. Program: No Operating Mode: 20.6 / 27.3 / 20.6 Reformulated Gas: No 0Veh. Type: LDGV LDGT1 LDGT2 LDGT HDGV LDDV LDDT HDDV MC All Veh + ______ ______ ______ ______ ______ ______ ______ ______ Veh. Spd.: 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 VMT Mix: 0.633 0.180 0.084 0.031 0.004 0.002 0.061 0.007 0Composite Emission Factors (Gm/Mile) VOC HC: 1.47 1.92 2.58 2.13 4.71 0.39 0.57 1.32 3.27 1.74 Exhst HC: 0.84 1.16 1.62 1.31 1.58 0.39 0.57 1.32 1.14 1.02 Evap. HC: 0.26 0.34 0.48 0.39 2.29 1.84 0.35 Refuel HC: 0.17 0.22 0.23 0.22 0.37 0.18 Runing HC: 0.14 0.14 0.20 0.16 0.37 0.14 Rsting HC: 0.06 0.06 0.05 0.05 0.09 0.30 0.06
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103 Tribal Case Study: Modeling Mobile 5b Input 1 PROMPT St. Regis Mohawk Tribe - EI 95 1 TAMFLG 1 SPDFLG 1 VMFLAG 1 MYMRFG 1 NEWFLG 1 IMFLAG 1 ALHFLG 1 ATPFLG 1 RLFLAG 2 LOCFLG - LAP record will appear once, in one-time data section. 1 TEMFLG 3 OUTFMT - 112-column descriptive format. 1 PRTFLG - Print exhaust HC, CO and NOx results. 1 IDLFLG 1 NMHFLG - Calculate emissions for volatile organic hydrocarbons. 3 HCFLAG - Print sum of all HC component emissions. SRMR Summer 95. A 57. 80. 09.0 09.0 92 1 1 1 Local Area Parameter record 1 95 45.0 70.0 20.6 27.3 20.6 07 Scenario description record 1 95 45.0 70.0 20.6 27.3 20.6 01 Scenario description record 0000000000000000000000000000000000000000000000000000000000000000000000000000000000
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104 Tribal Case Study: Modeling Mobile 5b Output 1 St. Regis Mohawk Tribe - EI 95 MOBILE5b (14-Sep-96) 0 -M170 Warning: + Exhaust emissions for gasoline fueled vehicles beginning in 1995 have been reduced as a result of Gasoline Detergent Additive Regulations (1994). -M154 Warning: + Refueling emissions for LDGV and LDGT after 1998 model year have been reduced as a result of the Onboard Refueling Vapor Recovery Regulations (1994). 0SRMR Summer 95. Minimum Temp: 57. (F) Maximum Temp: 80. (F) Period 1 RVP: 9.0 Period 2 RVP: 9.0 Period 2 Start Yr: 2002 0Total HC emission factors include all evaporative HC emission factors, except for refueling emissions.
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105 Tribal Case Study: Modeling 0Emission factors are as of July 1st of the indicated calendar year. 0Cal. Year: 1995 I/M Program: No Ambient Temp: 74.3 (F) Region: Low Anti-tam. Program: No Operating Mode: 20.6 / 27.3 / 20.6 Altitude: 500. Ft. Reformulated Gas: No 0 Veh. Type: LDGV LDGT1 LDGT2 LDGT HDGV LDDV LDDT HDDV MC All Veh + ______ ______ ______ ______ ______ ______ ______ ______ ______ ______ Veh. Speeds: 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 VMT Mix: 0.631 0.181 0.084 0.031 0.003 0.002 0.061 0.007 0Composite Emission Factors (Gm/Mile) Total HC: 1.33 1.72 2.37 1.92 4.24 0.38 0.55 1.31 3.36 1.587 Exhaust HC: 0.88 1.19 1.66 1.34 1.60 0.38 0.55 1.31 1.22 1.053 Evaporat HC: 0.25 0.33 0.45 0.37 2.19 1.84 0.337 Refuel L HC: 0.17 0.22 0.23 0.22 0.37 0.175 Runing L HC: 0.14 0.14 0.20 0.16 0.36 0.142 Rsting L HC: 0.06 0.06 0.05 0.05 0.09 0.30 0.056
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106 Tribal Case Study: Modeling 0Evaporative Emissions by Component Weathered RVP: 9.0 Hot Soak Temp: 76.4 (F) (Hot Soak: g/trip, Diurnals: g, Crankcase: g/mi, Refuel: g/gal, Resting: g/hr) Running Loss Temp: 77.3 (F) Resting Loss Temp: 69.6 (F) Hot Soak 1.28 1.46 2.08 1.64 7.22 5.98 WtDiurnal 2.70 4.39 8.09 5.50 29.86 10.33 Multiple 6.77 8.63 11.06 9.36 35.35 Crankcase 0.01 0.02 0.02 0.02 0.03 0.00 Refuel 3.68 3.68 3.68 3.68 3.68 Resting 0.07 0.07 0.07 0.07 0.10 0.12 ____________________________________________________________________________________ ____________________________
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107 Tribal Case Study: Modeling - M154 Warning: + Refueling emissions for LDGV and LDGT after 1998 model year have been reduced as a result of the Onboard Refueling Vapor Recovery Regulations (1994). 0Emission factors are as of Jan. 1st of the indicated calendar year. 0Cal. Year: 1995 I/M Program: No Ambient Temp: 74.3 (F) Region: Low Anti-tam. Program: No Operating Mode: 20.6 / 27.3 / 20.6 Altitude: 500. Ft. Reformulated Gas: No 0 Veh. Type: LDGV LDGT1 LDGT2 LDGT HDGV LDDV LDDT HDDV MC All Veh + ______ ______ ______ ______ ______ ______ ______ ______ ______ ______ Veh. Speeds: 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 VMT Mix: 0.633 0.180 0.084 0.031 0.004 0.002 0.061 0.007 0Composite Emission Factors (Gm/Mile) Total HC: 1.36 1.77 2.43 1.98 4.42 0.38 0.55 1.34 3.37 1.626 Exhaust HC: 0.90 1.23 1.70 1.38 1.67 0.38 0.55 1.34 1.24 1.077 Evaporat HC: 0.26 0.34 0.48 0.39 2.29 1.84 0.350 Refuel L HC: 0.17 0.22 0.23 0.22 0.37 0.175 Runing L HC: 0.14 0.14 0.20 0.16 0.37 0.143 Rsting L HC: 0.06 0.06 0.05 0.05 0.09 0.30 0.056
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108 Tribal Case Study: Modeling 0Evaporative Emissions by Component Weathered RVP: 9.0 Hot Soak Temp: 76.4 (F) (Hot Soak: g/trip, Diurnals: g, Crankcase: g/mi, Refuel: g/gal, Resting: g/hr) Running Loss Temp: 77.3 (F) Resting Loss Temp: 69.6 (F) Hot Soak 1.31 1.51 2.17 1.71 7.48 5.99 WtDiurnal 2.82 4.64 8.60 5.83 30.92 10.32 Multiple 7.01 9.21 11.61 9.93 35.94 Crankcase 0.01 0.02 0.02 0.02 0.03 0.00 Refuel 3.68 3.68 3.68 3.68 3.68 Resting 0.07 0.07 0.07 0.07 0.10 0.12 ____________________________________________________________________________________ ____________________________
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109 Tribal Case Study: Modeling MOBILE 5 Mobile Emissions, St. Regis Mohawk Reservation, Baseline Year 1995. Tons/Year. Pollutant Summer Winter Hydrocarbons 0.015 0.0727 CO 0.06980.382 NOx 0.01550.0527 Typical Ozone Daily Emissions 0.0016 TonsNA
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110 Tribal Case Study: Modeling MOBILE 5 MOBIL 4.1 Used in 1992 Coupled with CAL3QHC
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111 Tribal Case Study: Modeling MOBILE 5 Differences in emission rates Accounted for 50,000 mile deterioration
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112 Table 12. Comparison of Model Year Contribution to the Fleet- Average LDGV Emission Rate for Calendar Year 1995 (MOBILE4.1 Versus MOBILE5a) MOBILE4.1 MOBILE5a Pollutant/ I/MScenarioa Pre-1981 1981+ Pre-1981 1981+ HC No I/M 0.297 0.703 0.214 0.786 Basic I/M 0.262 0.738 0.192 0.808 Enhanced I/M 0.224 0.776 CO No I/M 0.285 0.715 0.183 0.817 Basic I/M 0.244 0.756 0.151 0.849 Enhanced I/M 0.176 0.824 NOx No I/M 0.222 0.778 0.135 0.865 Basic I/M 0.226 0.774 0.137 0.863 Enhanced I/M 0.168 0.832
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113 Tribal Case Study: Modeling MOBILE 5 CAL3QHC 1 hr and 8 hr CO concentrations at intersections Dependent upon vehicle, road-way and met conditions Developed in 1978 Still used CAL3QHCR – requires local met data
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114 Tribal Case Study: Modeling Summary Select the model appropriate to needs Understand uses Understand limitations Study Documentation
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115 Tribal Case Study: Modeling Summary (cont.) Learn to operate it Test runs Test files included Consult with others who use it Consult with developers
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116 Tribal Case Study: Modeling Summary (cont.) Adequate time to learn program Understand inputs Do homework for data Document data
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117 Tribal Case Study: Modeling Your Success is Guaranteed! Thank You
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