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the water treatment equipment. Each of these facilities is protected by bermed structures <br />to prevent the flow of upgradient stormwater into the lined ponds or the water treatment <br />facility. In addition to these ponds and the water treatment building, the system includes <br />three concrete containment areas used for reagent storage (i.e., lime silo, soda ash silo, <br />and muriatic acid storage tank) and a water treatment sludge-drying pad. Precipitation <br />falling within the water treatment plant footprint (ponds and associated structures) is <br />contained and managed with the water treatment facility. <br />Old Heap Leach Pad and Test Heap/Office Site <br />The approved DMG permit included an old heap leach pad and a test heap/office site. <br />The old heap leach pad is located north and east of the mill facility and directly south of <br />the West Pit azea on the south side of the Rito Seco (Figure 1). This heap leach pad was <br />operated by a previous company and was neutralized prior to BMRI operations. The <br />neutralization was approved by the DMG. Following neutralization, BMRI removed the <br />heap-leached material and beneficiated the material at the San Luis milling facilities. In <br />addition to removing the material, BMRI removed the underlying synthetic liner material <br />and contoured, topsoiled, and revegetated the site. <br />' The test heap and office site consists of approximately 10 acres and is located to the west <br />of the mine site. The test heap has been neutralized and removed and the property has <br />' been transferred to an independent third party. Therefore, BMRI does not own or operate <br />this azea and this stormwater management plan does not address these locations. <br />3.0 SITE DESCRIPTION <br />3.1 General <br />The following sections discuss the general site characteristics. Amore detailed <br />discussion can be found in the approved DMG Permit M-88-112 and associated technical <br />revisions. <br />Bat[!e Mountain Resources, /nc. Telesto Solutions, lnc. <br />.Rn mu,~o~~~e. m~~a8~me~~Pm~.ea 10 May 3, 1002 <br />