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No later than 30 days before the existing APEN expires. <br />The source's original APEN/Permit application was received by the Division on 2/15/2013, and does <br />not expire until 2018. There have been no process modifications or changes in emissions which would <br />require a more recent submission. The source is in compliance with this condition. <br />Note: As the AQCC has removed the NSPS Catchall provisions from Colorado regulations, based on <br />current hours of operation and corresponding emissions, this unit is no longer APEN required. Prior <br />to APEN expiration, the source has cancelled this point (cancellation received 10/26/2015), and no <br />further action is required. <br />GENERAL TERMS AND CONDITIONS: <br />17. This permit and any attachments must be retained and made available for inspection upon request. The <br />permit may be reissued to a new owner by the Division as provided in Regulation No. 3, Part B, Section <br />II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. <br />18. This permit is issued in reliance upon the accuracy and completeness of information supplied by the <br />applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the <br />source, in accordance with this information and with representations made by the applicant or applicant's <br />agents. It is valid only for the equipment and operations or activity specifically identified on the permit. <br />The source is in compliance with the General Terms and Conditions of this permit. <br />Permit Number 14GU0697.XP — AIRS Pt 024. APEN Required/Permit Exemption Letter for Cummins <br />emergency generator engine powering the Deer Creek Escapeway Hoist. The excerpt below is taken from the <br />exemption letter for this point, issued to the source on 12/22/2014. MCC Submitted a cancellation notice for this <br />point on 10/26/2015. The following compliance determination is included because the exemption letter was in <br />effect at the time of the inspection. <br />The Division has performed a preliminary analysis of information provided in your application. Based on our preliminary analysis, the <br />Division has determined that uncontrolled emissions of Carbon Monoxide (CO) from this source do not exceed 10 tons per year. <br />Therefore, the source referenced above is exempt from Permitting requirements per Regulation 3, Part B, Section II.D.2 and II.D.3. <br />However, an Air Pollutant Emission Notice (APEN) is still required because the uncontrolled emissions of CO is over 2 tons per year. <br />This exemption from permit requirements is issued in reliance upon the accuracy and completeness of information supplied by the <br />applicant and is conditioned upon construction, installation and operation in accordance with this information and with representations <br />made by the applicant or applicant's agents. Specifically, this exemption has been granted provided that the following information is <br />accurate and complete: <br />Hours of operation for each engine shall not exceed 500 hrs/yr. <br />2. The emission of Carbon Monoxide does not exceed 10 tons per year. <br />According to the Division's preliminary analysis, based on the hours of operation listed above, the calculated total actual uncontrolled <br />emission rate from this source will result in the emission of the following air pollutants: <br />Nitrogen Oxides: 3.7 tons per year. <br />Please be advised that annual records of operation shall be maintained by the applicant and made available to the Division <br />for inspection upon request. <br />2015 Inspection �k <br />0510015-INSP-2015 Page 33 of 37 <br />