Document w0VnmKxL1ZJy9zVg2jvnbyNo

26) Fossil fuel-fired steam electric plants of more than 2S0 million 8tu per hour heat Inputs 2?) in/ other 'tationary source category which was regulated as of August 7. 1980. by UStPA under Section 111 or 112 of the Clean Air Act (42 U.S.C. 7411, 7412). (Source: Amended at 12 111. Peg. 6118. effective March 22. 1988) ' Section 203.207 Major Modification of a Source a) fxcept as provided In Subsection (c). a physical change, or change In the method of operation of a major stationary source that would result In a significant net emissions increase of afiy pollutant for which the area Is designated a nonattainment area, shall constitute a major modification of a source. b) Any net emissions increase that Is . significant for volattle organic compounds shall be considered signif icant for ozone. c) A-physical change or change In the method of - operation shall not'include: 1) Routine maintenance, repair, and replacement which does not constitute reconstruct loti pursuant to Section 203.206(c). 2) Use of ah-alternative fuel or raw material by reason of any order under Sections 2(a) and (b) of the.Energy . Supply and Environmental Coordination Act or 1974 (IS U.S.C. 791).,: the Power Plant and Industrial Fuel UseAct of 1978 (42 . U.S.C. 8301) (or Any superseding legislation) or by reason of a natural gas curtailment plan pursuant to the Federal Power Act (i6 U.S.C. 791. et seq.). 3) Use of an alternative fuel' by reason of An order or rule wider Section 125 of the Clean Air Act (42 U.S.C. 742S). 4) Use of an alternative fuel at a steam generating unit to the extent that the . fuel Is generated from municipal solid waste. 5) Use of an-alternative fuel.of.raw material by a stationary source which: A) Was capable of accomnodat tng such alternative fuel or raw material . before Oecember 21. 1976. and'which has continuously remained capable of 'accomnodating- such fuels or materials . unless such change would be prohibited under any enforceable permit condition established after -' Oecember 21, 1976. pursuant- to 40 CFR 52.21. this Part, or JSlil. Adm. Code 201.142 or 20t/l43, or 8) Is approved for use under any permit Issued pursuant to this Part or 35 111. Adm. Code 201.142 or 201.143. 6) An. increase in the hours of operation or In the production rate/unless such change is.prohibited.under any enforceable permit condition which was established after Oecember 21. 1976 pursuant to 40 CFR S2.2I. this Part, or 3$ HI. Ada. Code 201.142. or 201.143. 7) Any change, in.ownership .at a stationary . ,source. (Source: Amended at 12.111. Reg. 6118. effective March 22. 1988) Section 203.'208 Net~ Emission. Determination-- A net emissions Increase Is the amount by which the sum of any .Increase In actual emissions from aparticular- physical-change orchangetn-method of operation' at a source, and any other Increases and decreases In actual .emissions at . the source, that are contemporaneous with the parttcwlar ctrange and- are othenrtsercredttafrle; exceeds zero. The following steps determine whether the.Increase or decrease In emissions Is -available. a) An Increase or decrease in actual emissions Is contemporaneous, only If it occurs between the date that an Increase rrorn a particular change, occurs and the date five years before attmeTyand complete apprltcation is" - -----submitted for the particular change: It must also occur after either April 24. 1979. or the daft the' area IV-deffghard* %y .the Utsr Environmental Protection Agency (USEPA) as a nonattainment area for the.pollutant. " whichever"is more receiitT'-'- b) An Increase or decrease In actual emissions Is creditable: 1) Only If there Is not In effect for the source at-the time the particular change occurs. a permtC' wtrtctr reMed' Ort the same .increase or decrease In actual emissions; and 2) Oiily to the extent the-new and. old levels differ. ' c) A decrease., in. actual emissions Is.creditable to the extent that: 1.) It Is enforceable at and after the time that actual construction on the particular change, begins;. 2) It has approximately the. same qualitative significance. for public; health, .and. welfare, as that attributed to the Increase from the part icular "change: 3j.' The. old. level, of actual -emissions or the old level of allowable emissions, whichever is lower, exceeds the-new level of actual emissions; and 4>~ lt. is- demonstcatedby- tbe- Agency. naL to ... have been previously relied on in issuing any permit pursuant to this part or 3S III. Adm. Code 201.142 or 201.143 or for . 29 -