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Emissions of air pollutants, from the combined operation of both engines, shall not exceed the following <br />limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation No. 3, Part B, <br />Section II.A.4.) <br />Nitrogen Oxides: 12.36 tons per year. <br />Carbon Monoxide: 15.23 tons per year. <br />This AIRS Pt description includes only one engine (rated at 3,251 bhp). However, to prevent the <br />large engine from stalling, the source operates a smaller generator/engine which powers the large <br />engine's fan during startup. The small secondary engine (rated at only 67 hp) is not used following <br />startup, and when evaluated independently, operates below APEN-reporting thresholds. The <br />smaller engine would have a relatively insignificant contribution to emissions from this point. This <br />condition does not require the facility to track emissions. As total fuel consumption and hours of <br />operation are below the permitted limits listed in Condition 8, and the unit appears to be <br />maintained according to the recommendations of the manufacturer, the source is presumed to be <br />operating in compliance with the emissions limits listed in this condition. <br />Note: The source submitted a cancellation notice on 10/26/2015 to remove the small engine from <br />this permit, as it is no longer required to be reported following the removal of the "NSPS Catchall" <br />requirements from AQCC Regulations in 2014. <br />7. Within one hundred and eighty days (180) after commencement of operation, the applicant shall submit to <br />the Division for approval an operating and maintenance plan for all control equipment and control <br />practices, and a proposed record keeping format that will outline how the applicant will maintain <br />compliance on an ongoing basis with the requirements of condition no 6 listed above. The operating and <br />maintenance plan shall commence at startup. (Reference: Regulation No. 3, Part B, Section III.G.7. <br />The source submitted an operating and maintenance plan for the engine along with all other self <br />certification documents in August of 2010. The O&M Plan was not appropriately routed to the <br />O&M Plan coordinator for approval at that time, but was later reviewed and approved on <br />February 6, 2013. The source follows all inspection and maintenance procedures as required by the <br />manufacturer. Similarly, the source performs a visible emissions observation during monthly <br />readiness testing and has not observed visible emissions during normal operation (i.e. following <br />initial startup). The source is in compliance with this condition. <br />These sources shall be limited to a maximum fuel use rate, and maximum hours of operation, as listed <br />below and all other activities, operational rates and numbers of equipment as stated in the application. <br />Annual records of the actual consumption rate shall be maintained by the applicant and made available to <br />the Division for inspection upon request. (Reference: Regulation No. 3, Part B, Section II.A.4.) <br />Consumption of #2, Low Sulfur Diesel fuel shall not exceed 75,000 gallons/year. <br />Hours of operation shall not exceed 500 hours per year. <br />The unit is rarely used, operated during 1 hour monthly tests and during emergencies only. The <br />source tracks monthly hours of operation (using the onboard hour meter) and combines this <br />information into a rolling 12 -month total. During the entire compliance period, the unit did not <br />have any months with greater than 2 operating hours per month, or greater than 17 operating <br />hours during any rolling 12 -month period. The source tracks diesel deliveries to the tank only, <br />rather than consumption by the unit during any given year. Prior to this inspection, the facility only <br />had 1,600 gallons of diesel fuel delivered to the facility since 2010 (startup of the unit). During this <br />2015 Inspection A�k' <br />0510015-INSP-2015 Page 20 of 37 <br />