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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) 000027154 003 -A PERMIT NUMBER I DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 10/01/2014 10/31/2014 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND B TO FOIDEL CREEK External Outfall No Discharge ED NAMEITTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER 1 EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT p 0 5 1, 0040010 PERMIT * * * * ** * * * * ** * * * * ** 6.5 * * * * ** 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM 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 * * ** ** * * *'•* * * * * ** * * * * ** /ji` tir 1�- G 0053000 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. mg /L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT ,;:fQ 005451 0 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. .5 mL /L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** Aj (i p n Al 1T 0054500 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. mL/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT ( �' ��O C 7 PERMIT * * * * ** * * * * ** * * * * ** * * * * *" 3500 7000 ug /L Weekly GRAB 0104510 Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT %l{ �/� �` �/ A I N4 0104500 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. ug /L Weekly GRAB See Comments REQUIREMENT 30D AVG DAILY MX NAMEITTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and ^� TELEPHONE DATE Based on my inquiry of the person or persons o manage the valu 1 the information submitted wh system. o those persons directly ' responsible for gathering the information, the information submitted is to the bet of my k vAedge and belief, true, accurate and complete. I am aware that there are sig'f at penalties for submitting false information. including the possibility of fine and imprisonment for vowing violations. u �' 1 SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT TYPED OR PRINTED AREA Code I NUMBER MMIDD/YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS & IRON (MLOC =O) APPLY IF 10YR,24HR PRECIP. EVENT CLAIMED. ALTERNATE LIMITS FORSETTLEABLE 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. 08/2612013 Page 1