SOURCE CATEGORY PM2.5 ROG NOx SO2 NH3*

INDUSTRIAL/COMMERCIAL PROCESSES

PETROLEUM REFINING FACILITIES

Basic Refining Processes 0.1 0.2 -- 0.2 0.1

Wastewater (Oil-Water) Separators -- 1.2 -- -- --

Wastewater Treatment Facilities -- 0.5 -- -- --

Cooling Towers -- 0.9 -- -- --

Flares & Blowdown Systems -- 0.8 1.2 0.6 --

Other Refining Processes -- 0.3 -- -- --

Fugitives -- 0.5 -- -- --

Subtotal 0.2 4.3 1.2 0.9 0.1

CHEMICAL MANUFACTURING FACILITIES

Coating, Inks, Resins & Other Facilities -- 0.1 0.1 2.7 0.2

Pharmaceuticals & Cosmetics 0.4 0.8 1.4 3.2 --

Fugitives - Valves & Flanges -- 0.6 -- -- --

Subtotal 0.4 1.5 1.5 5.9 0.2

OTHER INDUSTRIAL/COMMERCIAL PROCESSES

Bakeries -- 0.8 -- -- --

Cooking(Charbroiling) 1.5 0.9 -- -- --

Cooking(Deep Fat Frying) 0.1 0.1 -- -- --

Cooking(Griddles) 0.2 0.1 -- -- --

Wineries & Other Food & Agr. Processes 0.3 1.1 -- -- --

Metallurgical & Minerals Manufacturing 1.8 0.2 0.2 0.2 0.3

Waste Management 0.6 3.1 -- -- 5.5

Semiconductor Manufacturing -- 0.2 -- -- 0.0

Fiberglass Products Manufacturing -- 0.1 -- -- --

Rubber & Plastic Products Manufacturing -- 0.3 -- -- --

Contaminated Soil Aeration -- 0.1 -- -- --

Other Industrial Commercial 0.4 0.9 -- -- 0.0

Subtotal 4.9 7.9 0.3 0.3 5.9

PETROLEUM PRODUCT/SOLVENT EVAPORATION

PETROLEUM REFINERY EVAPORATION

Storage Tanks -- 3.3 -- -- --

Loading Operations 0.1 0.1 -- -- --

Subtotal 0.1 3.4 -- -- --

FUELS DISTRIBUTION

Natural Gas Distribution -- 0.7 -- -- --

Bulk Plants & Terminals -- 0.7 -- -- --

Trucking -- 2.6 -- -- --

Gasoline Filling Stations -- 5.2 -- -- --

Aircraft Fueling -- 1.1 -- -- --

Recreational Boat Fueling -- 0.9 -- -- --

Portable Fuel Container Spillage -- 3.8 -- -- --

Other Fueling -- 0.4 -- -- --

Subtotal -- 15.3 -- -- --

Winter Emissions tons/day

Bay Area Winter Emissions Inventory for Primary PM2.5 & PM Precursors: 

Year 2010

Table 1

Attachment 1

*Ammonia emission estimates were provided by the Air Resources Board. The ARB ammonia emissions data 

is reported in this table using the Air District’s emissions inventory format.
SOURCE CATEGORY PM2.5 ROG NOx SO2 NH3*

Winter Emissions tons/day

Bay Area Winter Emissions Inventory for Primary PM2.5 & PM Precursors: 

Year 2010

Table 1

OTHER ORGANIC COMPOUNDS EVAPORATION

Cold Cleaning -- 2.7 -- -- --

Vapor Degreasing -- -- -- -- --

Handwiping -- 2.3 -- -- --

Dry Cleaners -- 0.6 -- -- --

Printing -- 4.1 -- -- --

Adhesives & Sealants -- 9.7 -- -- --

Structures Coating -- 21.2 -- -- --

Industrial/Commercial Coating -- 8.1 -- -- --

Storage Tanks -- 0.8 -- -- --

Lightering & Ballsting -- -- -- -- --

Other Organics Evaporation -- 1.5 -- -- --

Subtotal -- 51.0 -- -- --

COMBUSTION - STATIONARY SOURCES

FUELS COMBUSTION

Natural Gas(Space/Water Heating/Cooking) 1.7 1.0 18.3 0.1 --

LPG and Liquid Fuel -- -- 0.5 0.3 --

Solid Fuel (Woodstoves) 3.7 2.8 0.5 0.1 0.5

Solid Fuel (Fireplaces) 13.1 5.3 1.1 0.2 1.2

Cogeneration 0.7 1.9 3.9 0.3 0.6

Power Plants 0.3 0.1 1.0 0.1 0.1

Oil Refineries External Combustion 2.4 1.0 10.5 14.0 0.5

Glass Melting Furnaces - Natural Gas -- -- 0.9 -- --

Reciprocating Engines 0.2 0.5 2.9 0.1 --

Turbines 0.1 -- 0.8 -- --

Landfill/Cement Plant Combustion 1.6 1.4 15.4 3.0 --

Subtotal 23.8 14.0 55.6 18.2 2.8

BURNING OF WASTE MATERIAL

Incineration 0.1 0.1 0.2 -- --

Planned Fires 0.4 0.4 0.2 -- --

Subtotal 0.5 0.4 0.4 -- --

Banked Emissions -- -- -- -- --

Alternative Compliance Allowance -- -- -- -- --

Subtotal (All stationary source categories) 29.8 97.9 59.0 25.3 9.0

COMBUSTION - MOBILE SOURCES

ON-ROAD MOTOR VEHICLES

Passenger Cars 2.3 42.1 35.5 0.4 3.7

Light Duty Trucks<6000lbs 1.0 23.4 27.1 0.2 2.3

Medium Duty Trucks 6001-8500 lbs 0.5 10.1 17.9 0.2 1.8

Light Heavy Duty Trucks 8501-14000lbs 0.4 6.2 23.1 0.1 0.6

Medium Heavy Duty Trucks 14001-33000lbs 0.8 2.4 21.6 -- 0.1

Heavy Heavy Duty Trucks>33000 lbs 1.6 2.8 51.7 0.1 0.1

School/Urban Buses 0.6 1.4 16.9 -- 0.0

Motor-Homes -- 1.4 1.4 -- 0.0

Motorcycles -- 17.5 2.3 -- 0.0

Subtotal 7.3 107.4 197.6 0.9 8.7

*Ammonia emission estimates were provided by the Air Resources Board. The ARB ammonia emissions data 

is reported in this table using the Air District’s emissions inventory format.
SOURCE CATEGORY PM2.5 ROG NOx SO2 NH3*

Winter Emissions tons/day

Bay Area Winter Emissions Inventory for Primary PM2.5 & PM Precursors: 

Year 2010

Table 1

OFF-HIGHWAY MOBILE SOURCES

Lawn and Garden Equipment 0.2 13.6 2.1 -- --

Transportation Refrigeration Units 0.6 1.9 7.7 -- --

Agricultural Equipment 0.3 1.0 5.9 -- --

Construction and Mining Equipment 0.6 1.6 11.7 -- 0.0

Industrial Equipment 0.2 1.1 6.5 -- --

Light Duty Commercial Equipment 0.6 4.5 7.4 -- --

Trains 0.2 0.9 10.7 -- --

Off Road Recreational Vehicles -- 1.3 -- -- --

Ships 0.2 0.4 8.3 1.8 --

Commercial Harborcraft 0.6 1.2 16.1 -- --

Recreational Boats 0.5 8.5 2.3 -- --

Subtotal 4.0 35.9 78.7 1.9 0.0

AIRCRAFT

Commercial Aircraft 0.1 2.4 9.1 0.8 --

General Aviation 0.1 0.5 0.1 -- --

Military Aircraft 0.1 0.7 1.7 0.1 --

Airport Ground Support Equipment -- 0.1 0.8 -- --

Subtotal 0.3 3.7 11.7 0.9 0.0

Subtotal (All mobile source categories) 11.6 147.0 288.0 3.7 8.7

MISCELLANEOUS OTHER SOURCES

Construction Operations 1.0 -- -- -- --

Farming Operations 0.2 -- -- -- --

Entrained Road Dust-Paved Roads 3.5 -- -- -- --

Entrained Road Dust-Unpaved Roads 0.4 -- -- -- --

Wind Blown Dust 0.7 -- -- -- --

Animal Waste 0.9 3.9 -- -- 10.9

Agricultural Pesticides -- 0.6 -- -- 1.1

Non-Agricultural Pesticides -- 0.3 -- -- --

Consumer Products(Excluding Pesticides) -- 44.1 -- -- 0.5

Accidental Fires and Cigarette Smoking 1.2 0.4 0.2 -- --

Human Perspiration/Waste 0.0 0.0 0.0 0.0 7.2

Subtotal 7.9 49.2 0.2 -- 19.6

Subtotal: All Stationary Source Categories 29.8 97.9 59.0 25.3 9.0

Subtotal: All Mobile Source Categories 11.6 147.0 288.0 3.7 8.7

Subtotal: All Miscellaneous Other Sources 7.9 49.2 0.2 19.6

GRAND TOTAL EMISSIONS 49 294 347 29 37

*Ammonia emission estimates were provided by the Air Resources Board. The ARB ammonia emissions data 

is reported in this table using the Air District’s emissions inventory format.