2018-08-03_PERMIT FILE - C1981019A (2)

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Annual Limits: AIRS Tons per Year Emission Point PM PMia PM2.5 NO. SO2 VOC CO Type 032 5,592.4 1,620.0 181.3 725.4 4,585.3 Fugitive 033, 035 4.7 2.0 0.2 -- -- Point See Attachment A for information on emission factors and methods used to calculate limits. Details of operations included under AIRS ID numbers are described in the Attachment A Note: In the absence of credible evidence to the contrary, compliance with the fugitive emission limits is demonstrated by complying with the production limits listed below in Condition Number 11 and by following the attached fugitive dust control plan. Compliance with the annual limits must be determined on a rolling twelve (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder must calculate actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. The total facility activities resulting in emissions of fugitive particulate matter (also referred as process emissions) must be limited by the emission limits specified in Condition 8, and all other activities, operational rates and numbers of equipment as stated in the application. Compliance with the point source emission limits for AIRS point IDs 033 and 035 must be demonstrated by calculating emissions on a daily, monthly, and rolling 12 month basis. Compliance with both the daily and annual point source criteria pollutant emission limits must be based on multiplying the actual production as defined in Condition 11, the emission factors and applying the control efficiency values for each AIRS ID as defined in Attachment A. Annual actual limits must be recorded in a rolling twelve month total format. Throughputs indicated on Attachment A are not limits, but are given to indicate the level of activities at the overall process rate limits specified under Condition Number 11. Records of the actual activities and emissions of criteria pollutants (fugitive particulate matter [PM], particulate matter less than 10 pm [PM,o], particulate matter less than 2.5 Nm [PM2.5], Oxides of Nitrogen [NOx], and Carbon Monoxide [CO]) must be maintained by the applicant and made available to the Division for inspection upon request. Such records must, at the minimum, contain the details given in Attachment A. The particulate emission control measures listed on Attachment B (as proposed in the Air Pollutant Emission Notice(s) / Particulate Emission Control Plan submitted to the Division) must be applied to the particulate emission producing sources as required by Regulation No. 1. All emission calculations must be made using the emission factors and format specified in Notes Attachment A. The owner or operator must submit an Air Pollutant Emission Notice (APEN) and receive a modified permit prior to the use of any other method of calculating emissions. �® COLORADO Air Pollution Control Division Page 4 of 17