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PERMITTEE NAME /ADDRESS (Include Facility Name/Locahon ff 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 005 -A PERMIT NUMB R DIS CHARGE NUMBER MONITORING PERIOD MM /DD/YYYY Mill /YYYY 07/01/2014 07/31/2014 Form Approved OMB No 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND D TO FOIDEL CREEK External Outfall No Discharge NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE supervision in accordance with a system designed to assure that qualified personnel properly gather and valuate the information submitted Based on my inquiry of the person or persons who manage the ,? L• f �' /` ( system or those persons directly responsible for gathering the information the information submitted is L C to the best of my knowledge and belief, true accurate and complete I am aware that there are L' K 1 r t C' / r significant penalties for submitting false mformahon including the possdrldy of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR G S76 27 �1, novang violations AUTHORIZED AGENT TYPED OR PRINTED nrtFJ+ coda I NUMBER M IDD/YYYY 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.01 /06) Previous editions may be used. 08/26/2013 Page 1 QUANTITY OR LOAD114G QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT = / 004001 0 PERMIT * * " * ** * * * * *' * " * * ** 6.5 " " « «" 9 SU Twice Per GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM I Month Solids, total suspended SAMPLE MEASUREMENT 0053010 PERMIT ** * * ** * * * "* * * * « ** " * * " ** 35 70 mg /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended SAMPLE MEASUREMENT /Y /t/.4 A : 1 A/A 0053000 PERMIT * * * « "" " " « +++ " * "" * « " " *" Req. Mon. Req. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT (} , J �C �! /3 f fe; S 005451 0 PERMIT ' *' ""* * " " " "" " " "*"* " " «'" Req. Mon. .5 mL/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT * * *' »* *' * * "* « + « " "* * * * + ++ �� 't A /" s 1' N •'J 0054500 PERMIT * + * * ** * « * * "+ * * "*"* * * « * "' Req. Mon. Req. Mon. mUL Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT * "' ** « * + * *+ « * « * ** ' "' * "" Lf (✓ 4o /? l ' = 009801 0 Effluent Gross PERMIT REQUIREMENT * " * * ** " * « " "" " * " " «* « « " * "" 1000 30DA AVG Req. Mon. DAILY MX ug /L Twice Per Month GRAB Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT ( . C'O�S C. 0-3 � // t�Z�k( ! rest ,,t\- 500501 0 Effluent Gross PERMIT REQUIREMENT 4.55 30DA AVG Req. Mon. DAILY MX MGD "** * *" * " *' «« "' "' "« ...." RQPRBR NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE supervision in accordance with a system designed to assure that qualified personnel properly gather and valuate the information submitted Based on my inquiry of the person or persons who manage the ,? L• f �' /` ( system or those persons directly responsible for gathering the information the information submitted is L C to the best of my knowledge and belief, true accurate and complete I am aware that there are L' K 1 r t C' / r significant penalties for submitting false mformahon including the possdrldy of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR G S76 27 �1, novang violations AUTHORIZED AGENT TYPED OR PRINTED nrtFJ+ coda I NUMBER M IDD/YYYY 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.01 /06) Previous editions may be used. 08/26/2013 Page 1