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TITLE 40 - PROTECTION OF ENVIRONMENT
CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY
PART 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
subpart pppp - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SURFACE COATING OF PLASTIC PARTS AND PRODUCTS
Table 1 to Subpart PPPP of Part 63 - Operating Limits if Using the Emission Rate With Add - On Controls Option
If you are required to comply with operating limits by 63.4491(c), you must comply with the applicable operating limits in the following table: [If you are required to comply with operating limits by 63.4491(c), you must comply with the applicable operating limits in the following table] ------------------------------------------------------------------------ And you must demonstrate For the following device . . You must meet the continuous . following operating limit compliance with . . . the operating limit by . . .
------------------------------------------------------------------------ 1. Thermal oxidizer......... a. The average combustion i. Collecting temperature in any 3- the combustion hour period must not temperature fall below the data according combustion temperature to limit established 63.4568(c); according to ii. Reducing 63.4567(a). the data to 3- hour block averages; and iii.
Maintaining the 3-hour average combustion temperature at or above the temperature limit.
2. Catalytic oxidizer....... a. The average i. Collecting temperature measured the just before the catalyst temperature bed in any 3-hour period data according must not fall below the to limit established 63.4568(c); according to ii. Reducing 63.4567(b); and either the data to 3- hour block averages; and iii.
Maintaining the 3-hour average temperature before the catalyst bed at or above the temperature limit.
b. Ensure that the i. Collecting average temperature the difference across the temperature catalyst bed in any 3- data according hour period does not to fall below the 63.4568(c); temperature difference ii. Reducing limit established the data to 3- according to hour block 63.4567(b)(2); or averages; and iii.
Maintaining the 3-hour average temperature difference at or above the temperature difference limit.
c. Develop and implement i. Maintaining an inspection and an up-to-date maintenance plan inspection and according to maintenance 63.4567(b)(4). plan, records of annual catalyst activity checks, records of monthly inspections of the oxidizer system, and records of the annual internal inspections of the catalyst bed. If a problem is discovered during a monthly or annual inspection required by 63.4567(b)(4), you must take corrective action as soon as practicable consistent with the manufacturer's recommendation s.
3. Regenerative carbon a. The total regeneration i. Measuring adsorber. desorbing gas (e.g., the total steam or nitrogen) mass regeneration flow for each carbon bed desorbing gas regeneration cycle must (e.g., steam not fall below the total or nitrogen) regeneration desorbing mass flow for gas mass flow limit each established according to regeneration 63.4567(c); and cycle according to 63.4568(d); and ii. Maintaining the total regeneration desorbing gas mass flow at or above the mass flow limit.
b. The temperature of the i. Measuring carbon bed, after the completing each temperature of regeneration and any the carbon bed cooling cycle, must not after exceed the carbon bed completing temperature limit each established according to regeneration 63.4567(c). and any cooling cycle according to 63.4568(d); and ii. Operating the carbon beds such that each carbon bed is not returned to service until completing each regeneration and any cooling cycle until the recorded temperature of the carbon bed is at or below the temperature limit.
4. Condenser................ a. The average condenser i. Collecting outlet (product side) the condenser gas temperature in any 3- outlet hour period must not (product side) exceed the temperature gas limit established temperature according to according to 63.4567(d). 63.4568(e); ii. Reducing the data to 3- hour block averages; and iii.
Maintaining the 3-hour average gas temperature at the outlet at or below the temperature limit.
5. Concentrators, including a. The average gas i. Collecting zeolite wheels and rotary temperature of the the carbon adsorbers. desorption concentrate temperature stream in any 3-hour data according period must not fall to below the limit 63.4568(f); established according to ii. Reducing 63.4567(e); and the data to 3- hour block averages; and iii.
Maintaining the 3-hour average temperature at or above the temperature limit.
b. The average pressure i. Collecting drop of the dilute the pressure stream across the drop data concentrator in any 3- according to hour period must not fall below the limit 63.4568(f); established according to ii. Reducing 63.4567(e). the pressure drop data to 3- hour block averages; and iii.
Maintaining the 3-hour average pressure drop at or above the pressure drop limit.
6. Emission capture system a. The direction of the i. Collecting that is a PTE according to air flow at all times the direction 63.4565(a). must be into the of air flow, enclosure; and either and either the facial velocity of air through all natural draft openings according to 63.4568(g)(1) or the pressure drop across the enclosure according to 63.4568(g)(2); and ii. Maintaining the facial velocity of air flow through all natural draft openings or the pressure drop at or above the facial velocity limit or pressure drop limit, and maintaining the direction of air flow into the enclosure at all times.
b. The average facial i. See items velocity of air through 6.a.i and all natural draft 6.a.ii.
openings in the enclosure must be at least 200 feet per minute; or c. The pressure drop i. See items across the enclosure 6.a.i and must be at least 0.007 6.a.ii.
inch H2O, as established in Method 204 of appendix M to 40 CFR part 51.
7. Emission capture system a. The average gas i. Collecting that is not a PTE according volumetric flow rate or the gas to 63.4565(a). duct static pressure in volumetric each duct between a flow rate or capture device and add- duct static on control device inlet pressure for in any 3-hour period each capture must not fall below the device average volumetric flow according to rate or duct static pressure limit 63.4568(g); established for that ii. Reducing capture device according the data to 3- to 63.4567(f). hour block averages; and iii.
Maintaining the 3-hour average gas volumetric flow rate or duct static pressure for each capture device at or above the gas volumetric flow rate or duct static pressure limit.
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