This page left blank intentionally. This page left blank intentionally. 2008, 2015, AND 2023 EMISSIONS INVENTORIES FOR THE TREASURE VALLEY AIRSHED Final Report Submitted to: Idaho Department of Environmental Quality 1410 North Hilton Boise, ID 83706 Submitted by: Eastern Research Group, Inc. ENVIRON International Corporation 10860 Gold Center Drive, Suite 275 773 San Marin Drive, Suite 2115 Rancho Cordova, CA 95670 Novato, CA 94998 August 31, 2010 2008, 2015, AND 2023 EMISSIONS INVENTORIES FOR THE TREASURE VALLEY AIRSHED Final Report Prepared for: Idaho Department of Environmental Quality 1410 North Hilton Boise, ID 93706 Prepared by: Eastern Research Group, Inc. (ERG) 10860 Gold Center Drive, Suite 275 Rancho Cordova, CA 95670 and ENVIRON International Corporation 773 San Marin Drive, Suite 2115 Novato, CA 94998 August 31, 2010 TABLE OF CONTENTS Section Page 1.0 INTRODUCTION ............................................................................................................... 1-1 1.1 Background.............................................................................................................1-1 1.2 Inventory Scope ......................................................................................................1-3 1.3 Report Contents......................................................................................................1-5 2.0 2008 POINT SOURCE EMISSIONS INVENTORY ......................................................... 2-1 2.1 Point Source Data Collection..................................................................................2-1 2.2 Emission Calculation Methodologies – Annual .....................................................2-5 2.3 Emission Calculation Methodologies – Ozone and PM Season.............................2-8 2.4 Emission Results by Facility...................................................................................2-9 2.5 QA/QC Procedures.................................................................................................2-9 3.0 2008 AREA SOURCE EMISSIONS INVENTORY .......................................................... 3-1 3.1 Emissions Calculation Methodologies – Annual....................................................3-1 3.1.1 Fuel Combustion.........................................................................................3-1 3.1.2 Residential Wood Combustion...................................................................3-6 3.1.3 Paved Road Dust.........................................................................................3-8 3.1.4 Unpaved Road Dust ..................................................................................3-13 3.1.5 Commercial Cooking................................................................................3-16 3.1.6 Construction..............................................................................................3-17 3.1.7 Architectural Surface Coatings.................................................................3-18 3.1.8 Traffic Markings.......................................................................................3-18 3.1.9 Industrial Surface Coating ........................................................................3-18 3.1.10 Degreasing ................................................................................................3-20 3.1.11 Other Per Employee Emission Factor Source Categories.........................3-21 3.1.12 Bakeries and Consumer Solvents..............................................................3-23 3.1.13 Dry Cleaning.............................................................................................3-24 3.1.14 Asphalt Application..................................................................................3-24 3.1.15 Pesticide Application................................................................................3-26 3.1.16 Gasoline Distribution................................................................................3-28 3.1.17 Wastewater Treatment ..............................................................................3-28 3.1.18 Landfills ....................................................................................................3-29 3.1.19 Open Burning (Yard Waste and Household Waste).................................3-31 3.1.20 Agricultural Tilling and Harvesting..........................................................3-33 3.1.21 Agricultural Burning – Fields ...................................................................3-33 3.1.22 Agricultural Burning – Irrigation Ditches.................................................3-34 3.1.23 Beef Cattle Feedlots..................................................................................3-35 3.1.24 Other Fires................................................................................................3-36 3.1.25 Windblown Dust.......................................................................................3-37 3.1.26 Ammonia Emissions .................................................................................3-52 3.2 Emissions Calculation Methodologies – Ozone and PM Season .........................3-70 3.2.1 Fuel Combustion.......................................................................................3-70 3.2.2 Residential Wood Combustion.................................................................3-72 3.2.3 Paved Road Dust.......................................................................................3-72 2008, 2015, 2023 Treasure Valley Emissions Inventories i Final, August 31, 2010 3.2.4 Unpaved Road Dust ..................................................................................3-72 3.2.5 Commercial Cooking................................................................................3-74 3.2.6 Construction..............................................................................................3-74 3.2.7 Architectural Surface Coatings.................................................................3-74 3.2.8 Traffic Markings.......................................................................................3-74 3.2.9 Industrial Surface Coating ........................................................................3-75 3.2.10 Degreasing ................................................................................................3-75 3.2.11 Other Per Employee Emission Factor Source Categories.........................3-76 3.2.12 Bakeries and Consumer Solvents..............................................................3-76 3.2.13 Dry Cleaning.............................................................................................3-76 3.2.14 Asphalt Application ..................................................................................3-77 3.2.15 Pesticide Application ................................................................................3-77 3.2.16 Gasoline Distribution................................................................................3-77 3.2.17 Wastewater Treatment ..............................................................................3-77 3.2.18 Landfills ....................................................................................................3-77 3.2.19 Open Burning (Yard Waste and Household Waste).................................3-78 3.2.20 Agricultural Tilling and Harvesting..........................................................3-78 3.2.21 Agricultural Burning – Fields ...................................................................3-78 3.2.22 Agricultural Burning – Irrigation Ditches.................................................3-78 3.2.23 Beef Cattle Feedlots..................................................................................3-79 3.2.24 Other Fires ................................................................................................3-79 3.2.25 Windblown Dust .......................................................................................3-79 3.2.26 Ammonia Emissions .................................................................................3-79 3.3 Emission Results...................................................................................................3-79 3.4 QA/QC Procedures...............................................................................................3-83 4.0 2008 ON-ROAD MOTOR VEHICLE SOURCE EMISSIONS INVENTORIES.............. 4-1 4.1 Emission Calculation Methodologies – Annual ...................................................4-21 4.2 Emission Calculation Methodologies – Ozone and PM Season...........................4-22 4.3 Emission Results by Source Category ..................................................................4-23 4.4 QA/QC Procedures...............................................................................................4-28 5.0 2008 NONROAD MOBILE SOURCE EMISSIONS INVENTORY................................. 5-1 5.1 Emission Calculation Methodologies – Annual .....................................................5-1 5.1.1 Nonroad Equipment....................................................................................5-1 5.1.2 Aircraft........................................................................................................5-8 5.1.3 Locomotives..............................................................................................5-10 5.2 Emission Calculation Methodologies – Ozone and PM Season...........................5-21 5.2.1 Nonroad Equipment..................................................................................5-21