Document gOdMnRwrxL0yRyZJrqyKXw3N

which tmnedlately precedes the particular date or such other period which is determined by the Illinois Environmental Protection Agency (Agency,) to be representative of. normal source operation.' Actual emissions shall t>e calculated using the unit's actual operating, .hours, production .rates., and types of materials processed. stored or-combusted during- the selected time period;, however: a) the Agency Shall allow the use of a different, time period upon a demonstration by the applicant to the Agency that the time period Is more representatlve-of. normal, source - operation. Such demonstration may Include, but need not be limited .to. operating records or other documentation of events-or Circumstances Indicating that the preceding two years Is not representative of. normal source operations. b) The Agency .may presume. In- the. absence of reliable data oh actual emissions that-the source-specific.allowable emissions for the 'emissions un'lt are;equivalent to. the actual emissions of the.emissions':unit. - - e) Fir any emissions unit which has not begun normal operations on the particular date, the Agency.shall presume that.the.potential to emit of the emissions unit Is equivalent to the actual emissions oh that date. (Source: Amended at 12 111. Reg. 6118. effective March 22. 1988) Section 203.107 Allowable Emissions. a) "Allowable Emissions" means the emission rate . *of a stationary source calculated.using the -maximum rated capacity of (he source.(unless the source Is subject to enforceable permit conditions or other such enforceable limits which restrict the operating .rate, or hours . of operation, or both) and the most stringent of the fqllowing: 1). Any applicable standards adopted by USEPA pursuant to Sections ill and 112 of the Clean Air Act (42 U.S.C. 7401. et seq.) and made applicable in Illinois,pursuant to Section 9.1 of the Environmental .. Protection Act (Act) .(111.. Rev. Slat. 1985. ch. Ill i/2, pars. 1001 et seq.): 2) The applicable emission standards or limitations contained in this Chapter and . . approved by the United States Environmental Protection Agency (USEPA) pursuant to Section li0(a)(2) or 110 . . (a)(3) of the Clean.-Alr-Act,. including those standards or limitations with a future compliance date and any other emission standard or limitation enforceable under the Environmental Protection Act or by the USEPA under Section' 113 of the Clean Air Act: or 3) The emissions rate specified as-an enforceable permit condition including those emissions rates with a future compliance date. b) The allowable'emtssion.s may be based on an enforceable permit condition limiting material or fuel throughput. c) if a source Is not subject to an emission standard described in subsection (a) and Is not subject to a permit condition'described In subsection (b). the allowable emissions shall be the source's potential to'emit. ' , ; (Source: Amended at 12 111. Reg. 6118. effective March 22. 1988) .Section. 2Ql.lia. Available Growth Kargin,. "Available Growth Margin", means the portion which remains of any emission allowance for new or modified major stationary loufc.es expressly Identified Ih lhe attainment demonstration approved by the if.S. Environmental Protection Agency (USEPA) under Section 172(b)(5) of the Clean Air Act tu: 7S02thlCS.U: for. a particular pollutant and area. (Source: Amended at 12 illT Reg. 6118, effective Harch'22. 1988) Section 203.112 Building, Structure and facility: a) The terms "building", "structure*, and facility" include all of,thc . 7 . potlutaat-emttting. acttvtties- wkttclv.helong to the same Industrial grouping.,''are located on one or more' contiguous of adjacent properties, and arei under the, control of the same person- (or persons-under cocnoon control). Pollutant-emitting .activities shall be considered as part of .the same "Major-Group-" (1 .which..have.,the' same two-digit code) as described In the Standard Industrial Classification Manual.. 1972. as amended by the 1977 Supplement (U.S. * Government Printing Office stock, numbers 4101-0066 and 003-005-00176r0. respectively) Incorporated-by r-eCerence-'-lo-ls: 111. Adnu Code 720.111. b) The terms "building", "structure"; and facility" shall also- include: 1) the transfer of materials., including but not limited to grain, gasoline, petroleum liquids, coal fertilizer, crushed stone and ore. from vessels^-motor, vehlcles.or other conveyances, irrespective of ownership or industrial grouping, to or from a building, structure, or facility as defIned"Iff strtrsect toirfa');- and- 2) activities at or adjacent to'such building, structure or facility which are associatedwitb-such-transter^-includlngbut not limited to idling of propulsion engines, the operation of engines to provide heat, refrigeration or lighting, operating of aux 111 ary "engines for pumps or cranes; antf' transfer'of'materta-is- fromhold to hold or tank to tank during onloading or offloading operations.- - 25 -