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1 <br /> QURAY SILVER MINES <br /> 2.1.2 Hydrocarbon Storage <br /> Various hydrocarbon containing tanks and drums will be stored at the Revenue Mine. All of <br /> these tanks will have secondary containment either through structures directly surrounding the <br /> tanks or a portable spill pallet. <br /> The capacities of the hydrocarbon containers present at the site are listed below. All containers <br /> with a capacity of 55 gallons or more are included. Drum quantities will vary based on <br /> consumption. <br /> Container ID Secondary Containment <br /> C-1-Tank (10,000 gal diesel, 1,000 gal unleaded) double walled tanks <br /> Fuel <br /> Surface—near admin building <br /> C-3- Materials Storage Warehouse (55 gal drums) Spill pallets and welded steel <br /> containment <br /> Various Oils/Lubricants <br /> Surface- near thickener tank <br /> C-4-Waste Storage Pad (55 gal drums) spill pallets <br /> Used Oil <br /> Surface—near underground maintenance shop <br /> C-5- Backup Generator (500 gal) double walled tank <br /> Diesel <br /> Mobile- near mill building <br /> C-6 Loci Barn Underground (55 gal drums) spill pallets <br /> Rock drill oil <br /> Underground -Viginius South near decline <br /> C-7 Underground Shop (55 gal drums) spill pallets <br /> Various oils/Lubricants <br /> Underground - between portal and mill <br /> C-8 Reagent Room (Various size tanks 12,730 gal total) concrete floor with vertical curbs <br /> Designated Chemicals(Mill Chemicals) <br /> Surface-attached to mill building <br /> C-9 Tank(10,000 gal diesel) Double walled tank <br /> Fuel <br /> Surface—near mill building <br /> C-101800 Level (55 gal drums) spill pallets <br /> Rock drill oil <br /> Underground on 1800 level <br /> C-11 Mill (55 gal drums) Graded concrete floor <br /> Gear lubricants <br /> Floatation gallery of mill <br /> Spill Prevention Control and Countermeasure Plan 12 P a g e <br />