### 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 atthe normal operating load and calculation ofminimum excess air. (1-1) "Capacity factor" means: (a) The ratio between the actual heatinputto fuel burning equipmentfrom the fuels burned during a year and the potential heat input ifit hadbeen operating for 8,760 hours during the year atthe maximum steady state design heat inputcapacity; 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 amonthly rolling basis for each consecutive 12-month period. (d) When either the procedure in §B(I-l)(a)or (b) 

### ofthis regulation is selected to determine the capacity factor ofa unit, that same procedure shall apply for that unit. (2) "Clean wood" means wood thathas no paint, stains, or othertypes ofcoatings, 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 orpower source is disrupted or discontinued due to conditions beyondthe control ofthe owner oroperator ofa facility including: (i) A failure ofthe electrical grid; (ii) 

### On-site disaster orequipment 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 orfor 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 otherfossil fuel and wood orwood products; and 

### (b) Waste combustible fluid or used oil that hasbeen approved by the Departmenttobeburned as a fuel in accordance with Regulation .10 ofthis chapter. (8) "Gas" means any gaseous fuel that can be usedto create useful heat ormechanical energy including: (a) Natural gas orpropane; 

### (b) Gaseous fuels produced synthetically; (c) Gaseous substances derived from the decomposition oforganicmatter; or (d) Gaseous substances derived as a byproduct ofa manufacturing process. (9) "High heatrelease unit" means fuel burning equipment that is designed with an area heat release rate of 1,400,000 Btuper hourper square foot or greater. (10) "Interruptible gas service" means a gas service negotiated between the user and a utility company under thejurisdiction ofthe MarylandPublic 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) "Operatingtime" means, for the purpose ofdetermining compliance ornon-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 otherthan an emergency to generate electricity for use on-site orfor sale. 

### (b) "Load shaving unit" does not include an engine: (i) Whose primary function is to generate electricity for use bythe public; or (ii) That serves as the primary source ofpower for agricultural equipment or industrial equipment including the period when equipment or a facility is being maintained andthe engine is used in place ofthe primary power source.(13) "Manufacturer" means a person who imports, manufactures, assembles, orproduces a small wood boiler. (14) "Off-specification used oil" means used oil that exceeds one or more ofthe specifications in Regulation .10B ofthis chapter. (15) "On-specification used oil" means used oil that meets all ofthe specifications in Regulation 

### JOB ofthis 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 implementthe 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, or6 (bunker C) oils orcrude oils when used as a fuel. (18) "Rotary cup burner" means a fuel oil burner which employs a rotating cupto atomize and mix fuel oil with air for combustion. (19) "Small wood boiler" means a fuel-burning device: (a) With a rated thermal output ofless than 350,000 Btuperhour; (b) Designedto burn clean wood or other approved solid fuels; (c) Thatthe 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 equipmentthat consumes more than 60 percent ofits annual fuel during the period from October 31 ofone year through March 31 ofthe following year. Forthe purpose ofthis regulation, annual fuel use is the total fuel consumed during the period October 1ofone year to September 30 ofthe 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, orany synthetic oil, that has been used and, as result ofthe use, is contaminated by physical orchemical impurities. (23) "Waste combustible fluid (WCF)" means a fluid waste material that: (a) Is not used oil orhazardouswaste as defmed in COMAR26.13.02; and (b) Has a heat value of6,000 Btuperpound or more.