Reactivity-Weighted Emissions of Volatile Organic Compounds 

South Coast Air Quality District 

2000 

Major Category of

VOC Emissions

Total 

Emissions

(tpd)

% of Total

Inventory

O3 

Formation 

Potential

(tpd)

% of Total 

O3

Formation 

Potential

ADHESIVES AND 

SEALANTS

13.67 0.86% 22.83 0.65%

AIRCRAFT 8.59 0.54% 58.08 1.65%

ARCHITECTURAL 

COATINGS

51.03 3.23% 95.60 2.72%

ASPHALT PAVING / 

ROOFING

0.85 0.05% 2.06 0.06%

CHEMICAL 

PROCESSES

21.31 1.35% 42.95 1.22%

COATINGS AND 

RELATED PROCESS 

SOLVENTS

43.55 2.75% 119.60 3.40%

COGENERATION 

(FUEL COMBUSTION)

6.62 0.42% 3.47 0.10%

CONSUMER 

PRODUCTS 

137.56 8.70% 203.55 5.78%

COOKING 1.48 0.09% 2.21 0.06%

DEGREASING 71.06 4.49% 29.30 0.83%

ELECTRIC UTILITIES 6.84 0.43% 4.90 0.14%

FARM EQUIPMENT 1.48 0.09% 8.01 0.23%

FARMING 

OPERATIONS 

128.58 8.13% 37.75 1.07%

FIRES 0.33 0.02% 0.49 0.01%

FOOD AND 

AGRICULTURAL

PROCESSING (FUEL 

COMBUSTION)

0.41 0.03% 0.98 0.03%

FOOD AND 

AGRICULTURE 

(INDUSTRIAL 

PROCESSES)

6.05 0.38% 9.78 0.28%

FUEL STORAGE AND 

HANDLING

37.34 2.36% 77.19 2.19%

Attachment A - CSPA Comments on ARB Agenda Item # 13-2-2
GLASS AND RELATED 

PRODUCTS

0.08 0.01% 0.13 0.00%

HEAVY DUTY DIESEL 

URBAN BUSES

0.64 0.04% 3.54 0.10%

HEAVY DUTY GAS 

URBAN BUSES

1.09 0.07% 4.07 0.12%

HEAVY HEAVY DUTY 

DIESEL TRUCKS

8.16 0.52% 45.10 1.28%

HEAVY HEAVY DUTY 

GAS TRUCKS

4.35 0.27% 17.24 0.49%

INCINERATORS 0.88 0.06% 0.82 0.02%

LANDFILLS 149.18 9.43% 5.74 0.16%

LAUNDERING 9.05 0.57% 0.57 0.02%

LIGHT DUTY PASSENGER 

VEHICLES

294.79 18.64% 1104.50 31.37%

LIGHT DUTY TRUCKS 106.78 6.75% 400.54 11.38%

LIGHT HEAVY DUTY 

DIESEL TRUCKS

0.5 0.03% 2.76 0.08%

LIGHT HEAVY DUTY 

GAS TRUCKS

29.02 1.83% 110.40 3.14%

MANUFACTURING AND 

INDUSTRIAL (FUEL 

COMBUSTION)

34.08 2.15% 23.42 0.67%

MEDIUM DUTY TRUCKS 41.95 2.65% 164.71 4.68%

MEDIUM HEAVY DUTY 

DIESEL TRUCKS

1.51 0.10% 8.35 0.24%

MEDIUM HEAVY DUTY 

GAS TRUCKS

13.53 0.86% 53.00 1.51%

METAL PROCESSES 1.4 0.09% 2.48 0.07%

MINERAL PROCESSES 3.02 0.19% 6.77 0.19%

MOTOR HOMES 0.6 0.04% 2.39 0.07%

MOTORCYCLES 6.27 0.40% 24.56 0.70%

OFF-ROAD EQUIPMENT 60.64 3.83% 280.90 7.98%

OFF-ROAD 

RECREATIONAL

VEHICLES

7.87 0.50% 34.90 0.99%

OIL AND GAS 

PRODUCTION 

(COMBUSTION)

18.47 1.17% 12.66 0.36%

OTHER (CLEANING AND 

SURFACE COATINGS)

3.93 0.25% 7.32 0.21%

OTHER (FUEL 

COMBUSTION)

16.35 1.03% 9.08 0.26%

Attachment A - CSPA Comments on ARB Agenda Item # 13-2-2
OTHER (INDUSTRIAL 

PRCESSES)

1.67 0.11% 3.30 0.09%

OTHER (PETROLEUM 

PRODUCTION AND 

MARKETING)

0.2 0.01% 0.27 0.01%

OTHER (WASTE 

DISPOSAL)

26.66 1.69% 25.15 0.71%

PESTICIDES/

FERTILIZERS

3.37 0.21% 5.22 0.15%

PETROLEUM 

MARKETING 

82.23 5.20% 75.79 2.15%

PETROLEUM REFINING 15.18 0.96% 18.81 0.53%

PETROLEUM REFINING 

(FUEL COMBUSTION)

2.18 0.14% 4.76 0.14%

PRINTING 7.28 0.46% 10.21 0.29%

RECREATIONAL BOATS 41.27 2.61% 190.28 5.40%

RESIDENTIAL FUEL 

COMBUSTION

29.15 1.84% 54.67 1.55%

SCHOOL BUSES 0.26 0.02% 1.14 0.03%

SERVICE AND 

COMMERCIAL (FUEL 

COMBUSTION)

4.73 0.30% 4.86 0.14%

SEWAGE TREATMENT 0.18 0.01% 0.41 0.01%

SHIPS AND 

COMMERCIAL BOATS

3.84 0.24% 20.30 0.58%

TRAINS 1.53 0.10% 8.46 0.24%

WASTE BURNING AND 

DISPOSAL

11.2 0.71% 52.80 1.50%

WOOD AND PAPER 0.01 0.00% 0.04 0.00%

Grand Total 1581.83 100.00% 3521.16 100.00%

Attachment A - CSPA Comments on ARB Agenda Item # 13-2-2
Attachment 2 

CSPA Comments to South Coast Air Quality Management District 

March 2003 

AEROSOL RPODUCT PROPELLANTS 

Reactivity-Weighted Emissions of Volatile Organic Compounds 

South Coast Air Quality District 

2000

AEROSOL 

PROPELLANT 

CHEMICAL NAME 

Total Emissions (tpd) Total Ozone Potential 

(tpd)

DIMETHYL ETHER 0.990 0.919

HFC-152A 0.702 0.071

HYDROCARBON 

PROPELLANT {LPG, 

SWEETENED} 

1.391 1.043

ISOBUTANE 4.772 6.423

N-BUTANE 2.303 3.061

PROPANE 4.759 2.664

Grand Total 14.916 14.181

Percent of South Coast 

2000 Emissions Inventory 

0.90% 0.40%

Attachment A - CSPA Comments on ARB Agenda Item # 13-2-2