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PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) NAME: Twentymile Coal LLC ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: MINES 1&2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 OAK CREEK, CO 80467 ATTN: Patrick Sollars, GM NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00027154 006-A PERMIT N R DISCHARGE BER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY 11/01/201C- 1 11 /30/201,ar Form Approved OMB No 2040-0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND E TO FOIDEL CREEK External Outfall No Discharge NAMErrITLE PRINCIPAL EXECUTIVE OFFICER %%t u ^f-�%��['' u t f I j '�-n I—ty-nderpenaltyoflawNotthisdocumenteM."adachmanut— prearadundermydracbonorTELEPHONE supervision n accordance wth a system designed to assure that qualded personnel property gather and of ga person or persons h. manage Me dual. Me mformeli.n submitted flow. on my mqulry ers system, or Mose persons d, -0yresponsible for gathering Me mtormetlon, Me information subrmlled n to Me best of my knoww" and basal, true, ..curate, and complete I am aware Mal Mere are significant wattles far submmkg false Information, mduding Me possibility d fine and impnsonm ml for uore QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE ...... ...... ...... ...... MEASUREMENT 0040010 PERMIT ••"" "•"' """" 6.5 """ 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE •••`•• •••••• "••'• '•••" MEASUREMENT 005301 0 PERMIT "'••" •••'•• " "' '"'"" 35 70 mg/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE '••••• '••»'• """ •••'~ MEASUREMENT 0053000 PERMIT '••••" •••••• '"•"•• ••"" Req. Mon. Req. Mon. mg/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE '•'•'• •••'•• •"••• •"'•• MEASUREMENT 005451 0 PERMIT '"•""" '""••• '•""•' "'•"' Req. Mon. 5 mLJL Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE ••••"• "•••"` "•'•• ••'"•• MEASUREMENT 00545 O 0 PERMIT •••'•• '•"•" •••"' •`•"» Req. Mon. Req. Mon. mUL Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE ...... '••"' MEASUREMENT 0104510 PERMIT '"'"" "'•"' "•"' "'"" 3500 7000 ug/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE "'•" """" """ •'••" MEASUREMENT 104500 PERMIT '•'•" "'•" "'•'• '""" Req. Mon. Req. Mon. ug/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX NAMErrITLE PRINCIPAL EXECUTIVE OFFICER %%t u ^f-�%��['' u t f I j '�-n I—ty-nderpenaltyoflawNotthisdocumenteM."adachmanut— prearadundermydracbonorTELEPHONE supervision n accordance wth a system designed to assure that qualded personnel property gather and of ga person or persons h. manage Me dual. Me mformeli.n submitted flow. on my mqulry ers system, or Mose persons d, -0yresponsible for gathering Me mtormetlon, Me information subrmlled n to Me best of my knoww" and basal, true, ..curate, and complete I am aware Mal Mere are significant wattles far submmkg false Information, mduding Me possibility d fine and impnsonm ml for uore � / i/ r 6% DATE Ov L� -1U �7,J-0 SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT TYPED OR PRINTED AREAcod. I NUMBER MMIDO/YYW COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS (MLOC=O) APPLY IF 10YR/24HR PRECIP EVENT CLAIMED. ALTERNATE LIMITS FOR IRON &SETTLEABLE SOLIDS (MLOC=O) APPLY ONLY IF <=10YR,24HR PRECIP. EVENT CLAIMED. OIL & GREASE - SEE I C.19,PAGE 16. EPA Form 3320-1 (Rev111/06) Previous editions may be used. 08126/2013 Page