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Blue Mountain Energy, Inc. - Deserado Mine <br />Quarterly Sediment Pond Inspection Report <br />Fourth Quarter 2016 <br />Opera-tional Status <br />— _— ­­-­.­= - - -- _-- - _- ---- <br />Type of <br /># Ponds <br />Name Description <br />Date <br />1 i, Sed Ponds DP -1 D -Portal <br />12/15 <br />2 <br />RP -1 ! Refuse Area 1 <br />12/15 <br />3 +�� <br />RP -2/3 'Refuse Area 2/3 <br />12/15 <br />25 <br />_ <br />" <br />_ <br />RP -4 �Refuse Area 4 <br />12/15 <br />5+� <br />RP -5 � Refuse Area 5A <br />12/15 <br />' Railroad Fill Slope Pond 1 <br />12/15 <br />7 ? <br />RRS Railroad Loadout Washdown Sump <br />12/15 <br />--- <br />8 r <br />- - - -- -- - <br />SS-1 iSlotStorage Building Access Road Pond <br />- -- <br />12/15 <br />9 " <br />SS -2 ;Slot Storage Biding Emerg. Coal Storage Area Pond <br />12/15 <br />10 <br />HSL -1 Halandras Sanitary Land Fill Pond <br />12/15 <br />11 !i <br />SDH -2U !Down Hole Sump Upper Influent Pond <br />inactive <br />12 `i <br />SDH -2L Down Hole Sump Lower Effluent Pond <br />inactive <br />L-.l. <br />13 ! <br />- ---- --- - - <br />SDH -3L 'Down Hole Sump Discharge 2 - Lower <br />12/15 <br />^' <br />SDH-3M'Down Hole Sump Discharge 2 - Middle <br />12/15 <br />SDH -3U: Down Hole Sump Discharge 2 -Upper <br />12/15 <br />15 <br />" <br />di <br />TS -1 ;Transfer Building 1 <br />12/15 <br />/15- <br />17 +r <br />- - - - <br />s Building <br />�_-- <br />- <br />12/15 <br />- <br />18 :! <br />T --- - - -- - - -er - an <br />TSS -2a ,Temp Coal Storage b Transfer 2 <br />Y _ <br />-- - - <br />1 15 <br />12/15 <br />- <br />19 1 <br />--- - <br />BD -1 113 -Dewatering Pond #1 <br />- <br />12/15 <br />20 <br />BD -2 IB -Dewatering Pond #2 <br />12/15 <br />21 <br />BD -3 113 -Dewatering Pond #3 <br />12/15 <br />" <br />BD -4 ;B -Dewatering Pond #4 <br />12/15 <br />234: " <br />BD -5 B -Dewatering Pond #5 <br />12/15 <br />it <br />24 ;: <br />------ - -.-_._ <br />BD -6 !B -Dewatering Pond #6 <br />-- - <br />12/15 <br />25 f{ <br />BD -7 ;'B -Dewatering Pond #7 <br />12/15 <br />26 <br />BD -LC i6 -Dewatering Last Chance Pond <br />12/14 <br />27 <br />! Proc Pond <br />PP -1 ;Prep Plant Process Pond <br />12/15 <br />26 <br />PP -2 Prep Plant Process Pond <br />12/15 <br />27 <br />-0- <br />RW -1 !Raw Water Lagoon @ White River �`- <br />L 12/15 <br />Inspector: Scott Wanstedt - Environmental Engineer <br />Approx <br />! Sediment 1 -Outflow <br />H2O Level % <br />Level <br />% <br />Yes <br />j No j Yes; <br />No ; Comments <br />y70 <br />a <br />25 <br />.X <br />v <br />X ' <br />f� <br />0 <br />10 <br />X f <br />X <br />5 <br />r <br />10 <br />X <br />X East cell cleaned <br />- <br />- <br />- - <br />r- - - <br />-...-- <br />- - --- -- - <br />f --- k.. - --- -- ------ - -- <br />-2 <br />- - <br />i <br />t <br />F--� <br />- - - <br />1 <br />5 <br />X <br />X <br />2 <br />! <br />15 <br />X <br />X <br />6 <br />i <br />X.�_ <br />X i.. <br />-0- <br />- <br />- <br />-- <br />---- - -------------- --- ----- ----------- <br />1 <br />j <br />5 <br />X I <br />X <br />inactive-j <br />X <br />t------ <br />X 2/96 due to <br />5 <br />I I <br />I <br />;Shut off mine sealing <br />inactive <br />i <br />5 <br />X <br />X 'Shut off 2/96 due to mine sealing <br />2 <br />i <br />10 <br />X I <br />X (Pumping stopped 9/21/2016 <br />i <br />0 <br />j X <br />G X New 10/2015 <br />1 <br />0-X <br />X New 10/2015 <br />I <br />20 <br />X <br />X <br />0. _.... <br />- <br />20 <br />X <br />X I <br />0 <br />� <br />5 <br />X <br />X <br />100 <br />20 <br />X <br />X ;Outflow weekly, sediment removed <br />100 <br />20 <br />I X <br />- <br />i X weekly <br />--- ------ <br />- - - - - <br />100 <br />-- <br />0 <br />j X <br />- <br />- <br />jOutflow <br />----- <br />! X ;Outflow weekly <br />100 <br />I <br />0 <br />X <br />X aOutflow weekly <br />100 <br />0 <br />X <br />X ,Outflowweekly <br />100 <br />0 <br />X <br />X EI Outflow week) Y <br />100 <br />1 <br />+ <br />0 <br />X <br />i <br />X iOutflowweekly <br />100 <br />0 <br />X j <br />X <br />(Started to outflow 4th quarter 2016 <br />25 <br />20 <br />- <br />55-- <br />X <br />-+ <br />-S0 <br />�_ .fix <br />--- ------ - - - - ----- <br />100 <br />I <br />25 <br />X ( <br />X Freshwater storage pumped from river <br />