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2. Bituminous Coal (plus type and size of unit)-tons/year or metric tons/year.

3. Distillate ou (plus type and size of unit)-10.gal./year or 10 • liters/year.

4. Residual oil (plus type size of unit) 10.gal./year or 10. Uters/year.

5. Natural Gas (plus type and size of unit)-10R cu.-ft./year or 10° cu.-meters/ Fear. 6. Wood-tons/years or metric tons/year. 7. Other-please specify. B. Commercial and Institutional Fuel:

1. Anthracite Coal (plus type and size of unit)-tons/year or metric tons/year.

2. Bituminous Coal (plus type and size of unit)-tons/year or metric tons/year.

3. Distillate on (plus type and size of unit) 105 gal./year or 104 liters/year.

4. Residual ou (plus type and size of unit)—103 gal./year or 10% liters/year.

5. Natural Gas (plus type and size of unit)—10cu. ft./year or 108 cu.-meters/year.

6. Wood-tons/year or metric tons/year. 7. Other-please specify. C. Industrial Fuel:

1. Anthracite Coal (plus type and size of unit)-tons/year or metric tons/year.

2. Bituminous coal (plus type and size of unit)-tons/year or metric tons/year.

3. Coke (plus type and size of unit) tons/year or metric tons/year.

4. Distillate Oil (plus type and size of unit)–105 gal./year or 103 liters/year.

5. Residual ou (plus type and size of unit)—103 gal./year or 103 liters/year.

6. Natural Gas (plus type and size of unit)—108 cu.-It./year or 109 cu.-meters/year.

7. Wood-tons/year or metric tons/year. 8. Other-please specify. 11. PROCESS LOSSES (HYDROCARBONS ONLY) A. Surface coating operations, dry clean ing, degreasing operations, etc., unless con.

sidered as point sources appropriate basis for emission estimate.

III. SOLID WASTE DISPOSAL A. On-site incineration (plus type of unit)--tons/year or metric tons/year.

B. Open burning-tons/year or metric tons/year. C. Other-please specify.

IV. TRANSPORTATION A. Gasoline-powered motor vehicles-appropriate basis for emission estimate, includ. ing hydrocarbon evaporative losses.

B. Diesel-powered motor vehicles-appropriate basis for emission estimate.

c. Off-highway fuel usage-10% gal./year or 10+ liters/year.

D. Aircraft-number of flights per year per type of aircraft.

E. Railroads—103 gal. diesel oil/year or 108 liters/year.

F. Vessels—10gal. or 103 liters of oll/year, tons or metric tons of coal/year, or tons or metric tons of wood/year.

G. Gasoline handling evaporative losses appropriate basis for hydrocarbon emission estimate from filling tank trucks, service station tanks, and automobile tanks. H. Other-please specify

V. MISCELLANEOUS A. Forest fires—appropriate basis for emisslon estimate.

B. Structural fires-appropriate basis for emission estimate.

C. Coal refuse burning-appropriate basis for emission estimate.

D. Agricultural burning-appropriate basis for emission estimate.

E. Other-please specity.

APPENDIX G-(POLIUTANT) EMISSIONS INVENTORY SUMMARY. TONS/YR. (OR MATRIC TONS/TB.)

(REGIONS WHERE EMISSION LIMITATIONS ARE NOT DEVELOPED)

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1 Included only if interstate region.
11 Existing Emissions.
All If not available, does not need to be submitted for Priority III regions.

Iv For hydrocarbons only, would include emissions for surface coating operations, dry cleaning, degreasing operations, etc., unless considered point sources.

For hydrocarbons would include vehicle evaporative losses and losses from filling trucks, service station tanks, and automobile tanks.

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REDUCTION IN HYDROCARBON EMISSIONS REQUIRED TO ACHIEVE NATIONAL STANDARD

FOR PHOTOCHEMICAL OXIDANT, percent

NOTE: NO HYDROCARBON OR PHOTOCHEMICAL

OXIDANT BACKGROUND ASSUMED

150

-IIIIIII
200 250 300 350 400 450 500 550 600

MAXIMUM MEASURED 1 - hour PHOTOCHEMICAL OXIDANT CONCENTRATION, Mg/m3 ;
Figure 1. Required hydrocarbon emission control as a function of photochemical
oxidant concentration. (Reference: Air Quality Criteria for Nitrogen Oxides, AP-84,
Environmental Protection Agency, Washington, D.C., January 1971.)
APPENDIX K-CONTROL AQINCY FUNCTIONS
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APPENDIX EXAMPLE REGULATIONS FOR PRE

VENTION OF AIR POLLUTION EMERGENCY
EPISODES

The example regulations presented herein reflect generally recognized ways of preventing air pollution from reaching levels that would cause imminent and substantial endangerment to the health of persons. States are required to have emergency episode plans for Priority I regions, but they are not required to adopt the regulations presented herein,

1.0 Air pollution emergency. This regulation is designed to prevent the excessive buildup of air pollutants during air pollution episodes, thereby preventing the occurrence of an emergency due to the effects of these pollutants on the health of persons.

1.1 Episode criteria. Conditions Justifying the proclamation of an air pollution alert, air pollution warning, or alr pollution emergency shall be deemed to exist whenever the Director determines that the accumulation of air pollutants in any place is attaining or has attained levels which could, if such levels are sustained or exceeded, lead to a substantial threat to the health of persons. In making this determination, the Director will be guided by the following criteria:

(a) "Air Pollution Forecast": An internal watch by the Department of Air Pollution Control shall be actuated by a National Weather Service advisory that Atmospheric Stagnation Advisory 18 in effect or the equivalent local forecast of stagnant atmospheric condition,

(b) "Alert”: The Alert level is that concentration of pollutants at which first stage control actions is to begin. An Alert will be declared when any one of the following levels is reached at any monitoring site: 80,-800 ug./m3 (0.3 p.p.m.), 24-hour

average. Particulate 3.0 COHs or 375 mg./ms, 24

hour average. so, and particulate combined-product

af so, p.p.m., 24-hour average, and COHs equal to 0.2 or product of 50,us/ms, 24-hour average, and particulate

ng./ms, 24-hour average equal to 65 X 10%. CO17 mg./m (15 p.p.m.), 8-hour average. Ozidant (O3)-200 mg./m3 (0.1 p.p.m.)

1-hour average. NO,—1130 ug/m3 (0.6 p.p.m.), 1-hour

average, 282 mg./m (0.15 p.p.m.), 24hour average and meteorological conditions are such that pollutant concentrations can be expected to remain at the above levels tor twelve (12) or more hours or increase, or in the case of oxidants, the situation is likely to reoccur within the next 24 hours unless control actions are taken. (c) “Warning": The warning level indie cates that air quality is continuing to de

grade and that additional control actions are necessary. A warning will be declared when any one of the following levels is reached at any monitoring site: 50,-1,600 Mg./m.(0.6 p.p.m.), 24-hour

average. Particulate 5.0 COH's or 625 mg./m.", 24

hour average. SO2 and particulate combined-product of

SO, p.p.m., 24-hour average and COH'S equal to 0.8 or product of SO2 mg./m.*, 24-hour average and particulate yg./m. ,

24-hour average equal to 261 X 103. CO–34 mg./m.3 (30 p.p.m.), 8-hour average. Oxidant (Os)-800 mg./m.8 (0.4 p.p.m.), 1

hour average. NO,2,260 ug./m.3 (1.2 p.p.m.)-1-hour av

erage; 565 mg./m. (0.3 p.p.m.), 24-hour average and meteorological conditions are such that pollutant concentrations can be expected to remain at the above levels for twelve (12) or more hours or increase, or in the case of oxidants, the situation is likely to rooccur within the next 24 hours unless control actions are taken.

(d) “Emergency": The emergency level indicates that air quality is continuing to degrade toward a level of significant harm to the health of persons and that the most stringent control actions are necessary. An emergency will be declared when any one of the following levels is reached at any monitoring site: 50,

12,100 mg./m.: (0.8 p.p.m.), 24-hour average. Particulate—7.0 COH's or 875 Mg./m., 24.

hour average. So, and particulate combined-product of

SO, p.p.m., 24-hour average and COH's equal to 1.2 or product of SO, Mg./m.', 24-hour average and particulate ug./m.s,

24-hour average equal to 393 x 103. CO—46 mg./m.3 (40 p.p.m.), 8-hour average. Oxidant (03)-1,200 mg./m3 (0.6 p.p.m.),

1-hour average. NO=3,000 ug/m3 (1.6 p.p.m.), 1-hour av

erage; 750 ug./m. (0.4 p.p.m.), 24-hour average and meteorological conditions are such that pollutant concentrations can be expected to remain at the above levels for twelve (12) or more hours or increase, or in the case of oxidants, the situation is likely to reoccur within the next 24 hours unless control actions are taken.

(e) "Termination": Once declared, any status reached by application of these criteria will remain in effect until the criteria for that level are no longer met. At such time, the next lower status will be assumed.

1.2 Emission reduction plans. (a) Air Pollution Alert-When the Director declares an Air Pollution Alert, any person responsible for the operation of a source of air pollutants as set forth in Table I shall take all Air Pollution Alert actions as required for such source of air pollutants and shall

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