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The Leadville Mill M 1990-057 <br /> EXHIBIT U—DMO-EPP <br /> Page 14-15 <br /> Solid chemicalswill bed;Aoithi„the m0II bull iRg „d...;II net r „d.,r <br /> eeni:aiRmea} stFuct„r stored in designated containment areas within the mill <br /> building. <br /> Secondary containment BMPs include drum over pack, lined or concrete pads, a4:'A <br /> berms, sealed barriers and as necessary containment booms. <br /> Assuming the worst-case scenario (abrupt halt of operation) the }^}.,I ;„_„r, cess- <br /> matprkil at }ho C;}e . „ld arum,„} }„ approximately ~ 329,000 gallons will be <br /> contained the processing system. This value iRGIudes; 1:35tens-(35 cea;se-GFaplus <br /> - <br /> a ley(see Table <br /> 4-619,590gal is not included an <br /> The capacity of the TSF is estimated to be approximately 36,290yd 425,000 gallons <br /> accounting for 3ft of freeboard (see Section 4,2 4.2.5, Table 4-10). In the worst-case <br /> scenario, the total volume of in-process ° <br /> solid and liquids will be release to the TSF veleree. If the PSF were filled terms net <br /> 0ldddr , <br /> beable}A contain all ;„_„YA.-.,CC w,-,}AMA-.I 64 <br /> able <br /> 14 .8 GROUNDWATER INFORMATION (SEc 6.4.21 (8)) <br /> 14.8. 1 (A) MAP <br /> Domestic well maps within 2 miles of the Mill is presented in Appendix 14-4. (Water <br /> • Figure 4-1 shows historic surface water and groundwater monitoring locations <br /> managed by EPA; <br /> • Figure 14-2 shows all water wells within a 2-mile radius of the Mill; and, <br /> • Figure 14-3 shows wells located approximately 0.5 miles from the Mill <br /> 14.8.2 (B) GEOLOGIC MEDIA BENEATH FACILITIES <br /> Site geology is described in Section 3.2. <br /> 64 AlAR1Q44 <br /> Version 3.0 January 2021 <br />