[Code of Federal Regulations]

[Title 40, Volume 26]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR266.110]



[Page 44]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 266_STANDARDS FOR THE MANAGEMENT OF SPECIFIC HAZARDOUS WASTES AND 

SPECIFIC TYPES OF HAZARDOUS WASTE MANAGEMENT FACILITIES--Table of Contents

 

   Subpart H_Hazardous Waste Burned in Boilers and Industrial Furnaces

 

Sec.  266.110  Waiver of DRE trial burn for boilers.



    Boilers that operate under the special requirements of this section, 

and that do not burn hazardous waste containing (or derived from) EPA 

Hazardous Waste Nos. F020, F021, F022, F023, F026, or F027, are 

considered to be in conformance with the DRE standard of Sec.  

266.104(a), and a trial burn to demonstrate DRE is waived. When burning 

hazardous waste:

    (a) A minimum of 50 percent of fuel fired to the device shall be 

fossil fuel, fuels derived from fossil fuel, tall oil, or, if approved 

by the Director on a case-by-case basis, other nonhazardous fuel with 

combustion characteristics comparable to fossil fuel. Such fuels are 

termed ``primary fuel'' for purposes of this section. (Tall oil is a 

fuel derived from vegetable and rosin fatty acids.) The 50 percent 

primary fuel firing rate shall be determined on a total heat or mass 

input basis, whichever results in the greater mass feed rate of primary 

fuel fired;

    (b) Boiler load shall not be less than 40 percent. Boiler load is 

the ratio at any time of the total heat input to the maximum design heat 

input;

    (c) Primary fuels and hazardous waste fuels shall have a minimum as-

fired heating value of 8,000 Btu/lb, and each material fired in a burner 

where hazardous waste is fired must have a heating value of at least 

8,000 Btu/lb, as-fired;

    (d) The device shall operate in conformance with the carbon monoxide 

standard provided by Sec.  266.104(b)(1). Boilers subject to the waiver 

of the DRE trial burn provided by this section are not eligible for the 

alternative carbon monoxide standard provided by Sec.  266.104(c);

    (e) The boiler must be a watertube type boiler that does not feed 

fuel using a stoker or stoker type mechanism; and

    (f) The hazardous waste shall be fired directly into the primary 

fuel flame zone of the combustion chamber with an air or steam 

atomization firing system, mechanical atomization system, or a rotary 

cup atomization system under the following conditions:

    (1) Viscosity. The viscosity of the hazardous waste fuel as-fired 

shall not exceed 300 SSU;

    (2) Particle size. When a high pressure air or steam atomizer, low 

pressure atomizer, or mechanical atomizer is used, 70% of the hazardous 

waste fuel must pass through a 200 mesh (74 micron) screen, and when a 

rotary cup atomizer is used, 70% of the hazardous waste must pass 

through a 100 mesh (150 micron) screen;

    (3) Mechanical atomization systems. Fuel pressure within a 

mechanical atomization system and fuel flow rate shall be maintained 

within the design range taking into account the viscosity and volatility 

of the fuel;

    (4) Rotary cup atomization systems. Fuel flow rate through a rotary 

cup atomization system must be maintained within the design range taking 

into account the viscosity and volatility of the fuel.



[56 FR 7208, Feb. 21, 1991; 56 FR 32690, July 17, 1991, as amended at 56 

FR 42515, Aug. 27, 1991]



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