26.11.09.01 

.01 Definitions. 

A. In this chapter, the following terms have the meanings indicated. 

B. Terms Dermed. 

(I) "Annual combustion analysis" means the measurement ofCO and O2 in the flue gas at the normal 

operating load and calculation ofminimum excess air. 

(1-1) "Capacity factor" means: 

(a) The ratio between the actual heat input to fuel burning equipment from the fuels burned during a 

year and the potential heat input if it had been operating for 8,760 hours during the year at the maximum 

steady state design heat input capacity; or 

(b) The ratio ofthe unit's actual annual electric output, in megawatt hours, to the unit's name plate 

capacity multiplied by 8,760 hours. 

(c) For the purpose ofthis chapter, the selected method ofdetermining the capacity factor ofa unit 

shall apply continuously and is determined on a monthly rolling basis for each consecutive 12-month 

period. 

(d) When either the procedure in §B(I-l)(a) or (b) of this regulation is selected to determine the 

capacity factor of a unit, that same procedure shall apply for that unit. 

(2) "Clean wood" means wood that has no paint, stains, or other types of coatings, and wood that has 

not been treated with any substance, including but not limited to copper chromium arsenate, creosote, or 

pentachlorophenol. 

(3) "Distillate fuel oil" means all American Society for Testing and Materials numbered fuel oils other 

than residual. 

(4) Emergency. 

(a) "Emergency" means a condition where the primary energy or power source is disrupted or 

discontinued due to conditions beyond the control ofthe owner or operator of a facility including: 

(i) A failure ofthe electrical grid; 

(ii) On-site disaster or equipment failure; or 

(iii) Public service emergencies such as flood, fire, natural disaster, or severe weather conditions. 

(b) "Emergency" includes a PlM declared emergency. 

(5) "Emergency generator" means:
 

...
 
(a) An engine used only during an emergency or for testing and engine maintenance purposes; and 

(b) An engine that operates during an emergency according to the procedures in the PJM 

Emergency Operations Manual for a PJM declared emergency. 

(6) "Engine" means a stationary internal combustion engine. 

(7) "Fuel" means: 

(a) Coal or any other fossil fuel and wood or wood products; and 

(b) Waste combustible fluid or used oil that has been approved by the Department to be burned as a 

fuel in accordance with Regulation .10 ofthis chapter. 

(8) "Gas" means any gaseous fuel that can be used to create useful heat or mechanical energy 

including: 

(a) Natural gas or propane; 

(b) Gaseous fuels produced synthetically; 

(c) Gaseous substances derived from the decomposition of organic matter; or 

(d) Gaseous substances derived as a byproduct of a manufacturing process. 

(9) "High heat release unit" means fuel burning equipment that is designed with an area heat release 

rate of 1,400,000 Btu per hour per square foot or greater. 

(10) "Interruptible gas service" means a gas service negotiated between the user and a utility company 

under the jurisdiction ofthe Maryland Public Service Commission in which the utility company reserves 

the right upon determining that gas supplies are inadequate for normal distribution: 

(a) To interrupt the gas supply after notification; or 

(b) To limit the gas supply by automatic interruption. 

(11) "Operating time" means, for the purpose ofdetermining compliance or non-compliance with this 

chapter, the actual time in hours that an affected unit operates, beginning when operation ofthe draft fans is 

established and ending when feed ofthe primary fuel to the combustion chamber is discontinued. 

(12) Load Shaving Unit. 

(a) "Load shaving unit" means an engine that operates for other than an emergency to generate 

electricity for use on-site or for sale. 

(b) "Load shaving unit" does not include an engine: 

(i) Whose primary function is to generate electricity for use by the public; or 

(ii) That serves as the primary source of power for agricultural equipment or industrial equipment 

including the period when equipment or a facility is being maintained and the engine is used in place ofthe 

primary power source. 
(13) "Manufacturer" means a person who imports, manufactures, assembles, or produces a small wood 

boiler. 

(14) "Off-specification used oil" means used oil that exceeds one or more ofthe specifications in
 

Regulation .10B of this chapter.
 

(15) "On-specification used oil" means used oil that meets all of the specifications in Regulation JOB 

of this chapter. 

(16) "PIM declared emergency" means a condition that exists where the PIM Interconnection, LLC
 

notifies electric distributors that an emergency exists or may occur and it is necessary to implement the
 

procedures in the PIM Manual 13 Emergency Operations, as revised.
 

(17) "Residual fuel oil" means that fuel oil that meets the specifications ofthe American Society for
 

Testing and Materials for Numbers 4,5, or 6 (bunker C) oils or crude oils when used as a fuel.
 

(18) "Rotary cup burner" means a fuel oil burner which employs a rotating cup to atomize and mix
 

fuel oil with air for combustion.
 

(19) "Small wood boiler" means a fuel-burning device: 

(a) With a rated thermal output of less than 350,000 Btu per hour; 

(b) Designed to burn clean wood or other approved solid fuels; 

(c) That the manufacturer specifies for outdoor installation or indoor installation; and 

(d) That distributes heated fluid through pipes for the purpose ofsupplying heat and/or hot water to 

. building spaces. 

(20) "Space heater" means fuel-burning equipment that consumes more than 60 percent of its annual 

fuel during the period from October 31 of one year through March 31 of the following year. For the 

purpose of this regulation, annual fuel use is the total fuel consumed during the period October 1 of one 

year to September 30 of the following year, beginning October 1, 1989. 

(21) "System" means all combustion equipment owned or operated by a single business entity. 

(22) "Used oil" means oil that has been refmed from crude oil, or any synthetic oil, that has been used 

and, as result of the use, is contaminated by physical or chemical impurities. 

(23) "Waste combustible fluid (WCF)" means a fluid waste material that: 

(a) Is not used oil or hazardous waste as defmed in COMAR 26.13.02; and 

(b) Has a heat value of 6,000 Btu per pound or more.