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C� <br />ARTICLE 9: EMISSION STANDARDS <br />i <br />SECTION 9.03 EMISSION OF AIR CONTAMINANT: VISUAL <br />STANDARD Aaoptea o3n3i6s �iz� <br />Revised 07/08/70 (126), 04/11/73 (186), 06/09/88 (621) OS/11/89 (643), 09/OS/94 (798), 04/09/98 (865), 03/I 1/99 (881), 03/25/04 (1024) <br />(a) It shall be unlawful for any person to cause or allow the emission of any air <br />contaminant for a period or periods aggregating more than 3 minutes in any 1 <br />hour, which is: <br />(1) Darker in shade than that designated as No. 1(20% density) on the <br />Ringelmann Chart, as published by the United States Bureau of Mines; <br />or <br />(2) Of such opacity as to obscure an observer's view to a degree equal to or <br />greater than does smoke described in Section 9.03 (a)(1). <br />(b) The density or opacity of an air contaminant shall be measured at the point of <br />its emission, except when the point of emission cannot be readily observed, it <br />may be measured at an observable point of the plume nearest the point of <br />emission. <br />(c) This section shall not apply when the presence of uncombined water is the <br />only reason for the failure of the emission to meet the requirements of this <br />section. <br />(d) This section shall not apply to solid fuel burning devices, permitted fire <br />tiraining facilities, permitted obscurant usage during military training <br />operations, outdoor fires, motor vehicles when operated on public roads, <br />aircraft, or equipment subject to Section 9.04 of this regulation. <br />(e) This section shall not apply to equipment with an alternate opacity standard <br />issued under Section 3.03 or Article 6 of this regulation that is based upon a <br />correlation with the particulate concentration and that accurately indicates a <br />violation of the applicable particulate emission standards in Section 9.09 of <br />this regulation. <br />SECTION 9.04 OPACITY STANDARDS FOR EQUIPMENT WITH <br />CONTINUOUS OPACITY MONITORING SYSTEMS aaopted oaio9i9s �s6s> <br />Revised 03/25/04 (1024) <br />(a) Applicability. This section shall apply to all equipment required to be <br />equipped with a continuous emission monitoring system for opacity. <br />(b) It shall be unlawiul for any person to cause or allow the operation of any of <br />the following equipment unless equipped with a continuous emission <br />monitoring system for opacity: <br />(1) Cement kilns; <br />(2) Clinker coolers; <br />OS/04 9-1 Regulation I <br />