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-':M� <br /> OUR,AY 5lLV ER,1'AWS <br /> Response: There is a process water storage tank that is 18,000 gallons. This tank is <br /> sufficient to contain the entire circuit of process water, which is approximately 66%of the <br /> tank volume (i.e., less than 12,000 gallons). The process water storage tank is located in <br /> the mill filter building outside of the reagent room area. The mill process water will be <br /> further discussed in TR-15 Revenue Mill Recertification. <br /> 17. It is assumed that "Pronto' is some form of a computer system designed for the <br /> trackingof materials. Please provide more information regarding this system and <br /> how it works. <br /> Response: Pronto is a database used to track company supplies and inventories—similar <br /> to SAP. It is an application that integrates accounting and operations to optimize <br /> processes. <br /> 18. While the chemicals in storage tanks may be able to be drained, and returned to <br /> their original packaging and returned to the manufacturer,once the chemicals are <br /> mixed into solution they will not be able to be returned to the manufacturer. How <br /> will the disposal of the solution be handled?Please provide a table of the volume <br /> of solution of each of the chemicals that would need to be drained, stored and <br /> disposed of as a hazardous material pursuant to Rule 6.4.21 (6)(b)(i). Include <br /> volumes and draining methods of piping. The reclamation cost estimate is not <br /> being updated at this time, however these details will be necessary to ensure an <br /> accurate estimate can be performed. <br /> Response: Properly planned shutdown of the milling process would require the <br /> reagents to be run through the process coincidental with the depletion of ore <br /> delivery. However, should material remain in storage tanks,pipes, sumps, etc. the <br /> tanks and piping will be drained. The drained liquid will be properly characterized <br /> and will be disposed of in accordance with RCRA and Colorado Hazardous Waste <br /> Regulations. Please see the attached Table 7 that has the volumes of tanks and <br /> piping in the reagent room to be drained. However, it is not likely that there will be <br /> this volume in the reagent room when the mill is shut down. <br /> 19. Similar to Item 15,b of this review, once chemicals and solutions are drained and <br /> removedfrom the site how will the equipment be cleaned? Response to #14 of <br /> adequacy review #1 indicated the equipment will be sold or recycled however it <br /> needs to be detoxified first. <br /> 12 Pa : <br />