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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) C 2.7154 005-A PERMIT BER ISC ARG NU R MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY 04/01/201(: 1 04/30/2014n Form Approved OMB No 2040-0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUER JC) ROUTT MINE 1, POND D TO FOIDEL CREEK External Outfall No Discharge 0 NAMEfTITLE PRINCIPAL EXECUTIVE OFFICER / W I ceflify Wdef penalty of taw that Itds document and an attachments ..arts prW—d candor my dtrecuon or supenm;Ion m accordance wsth a system designed to assure that qua6hed personnel property gather and. vsluate"ml—istion submitted Based on my Inquiry of the person or persons wt a manage the system or (hose persons daocdy responsible for gathering the mformaaon, the mfarmabon submitted �s to thebesta mMes for sdge and ub,ndtm ba� 10 Wo, anion femc g he possrblrt of fi and an are worts puna g pnso.+manl for n..ng pians QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER TYPED OR PRINTED EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE MEASUREMENT ..,,.. ...... ...... (? 3 ...... 004001 0 PERMIT .•'"' "'•••' ... 6.5 """ 9 SU Twice Per GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Month Solids, total suspended SAMPLE MEASUREMENT ...... ...,., ...... ...... (� S' (� Q, 0053010 PERMIT *"••• ""'• "'•'• •""' 35 70 mg/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT '••"•` •'••'• •""' '••••' 'V / /t Nl� /v�— PERMIT ••'•'• ••"" ""'•' """ Req. Mon. Req. Mon. mg/L Weekly GRAB 0053000 See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT "•"' """ ••"" •^••• 005451 0 PERMIT "•••'• `""••• •••••• ••""• Req. Mon. 5 mL/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT '•••'" """ •""' ......�/ P/ � /V+ &/� 4/, /V 6 0054500 PERMIT •••••• •••"' ••"•' •"'•' Req. Mon. Req. Mon. mL/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT ..... '•"•' """ ••'"^ f v 009801 0 PERMIT •`"••• •""•• "•"' "'••• 1000 Req. Mon. ug/L Twice Per GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Month Flow, in conduit or thru treatment pia it SAMPLE MEASUREMENT % C G ( 0 (� ••"" """ """ """' (/7 /"k+-;, 500501 0 Effluent Gross PERMIT REQUIREMENT 4.55 30DA AVG Req. Mon. DAILY MX MGD """ ""•' """ """ Fi66j4BFF NAMEfTITLE PRINCIPAL EXECUTIVE OFFICER / W I ceflify Wdef penalty of taw that Itds document and an attachments ..arts prW—d candor my dtrecuon or supenm;Ion m accordance wsth a system designed to assure that qua6hed personnel property gather and. vsluate"ml—istion submitted Based on my Inquiry of the person or persons wt a manage the system or (hose persons daocdy responsible for gathering the mformaaon, the mfarmabon submitted �s to thebesta mMes for sdge and ub,ndtm ba� 10 Wo, anion femc g he possrblrt of fi and an are worts puna g pnso.+manl for n..ng pians TELEPHONE DATE �y-7 ^� �17G i.' ! �% ` 7� —NUMBER O � `� 4// SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT TYPED OR PRINTED nfaen cad° MMtoonrvr 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 (Rev.01106) Previous editions may be used. 08/26/2013 Page 1