2015-05-01_HYDROLOGY - C1982056 (11)

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PERMITTEE NAME/ADDRESS (Include Facility NamalLocation 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 005 -Q PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 01/01/2015' 03/31/201_4; Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) Quarterly Monitoring for 005A External Outfall No Discharge 0 NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction w supervison in accordance with a system designed to assure that qualified personnel property gather and aluate the information submitted Based on my inquiry of the person or persons who manage the system. or those persons directly responsible for gathering the information the information submitted is to the best of my knaMedge and belief, true, accurate, and complete I am aware that there are sgrsficant penalties for submitting false information. including the possibility of fine and imprisonment (or owing violations. QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER =bode EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS Conductivity SAMPLE MEASUREMENT * * " * 000941 0 PERMIT " * " " *" * * * " "* " * * * ** * " " " ** Req. Mon. Req. Mon. umho /cm Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Iron, total [as Fe] SAMPLE MEASUREMENT *' * " ** * * * * *' * * * * ** * " " * ** d �'` r (%- 0104510 PERMIT * * * *** *** * ** ' * **"" *' *' "' 3500 7000 mg /L Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Iron, total [as Fe] SAMPLE MEASUREMENT NA iy i `u et / 0104500 PERMIT '*"'* * * *'*" *"*'* *' **** Req. Mon. Req. Mon. ug /L Quarterly GRAB See Comments REQUIREMENT QRTR AVG QRTR MAX Copper, potentially dissolved SAMPLE MEASUREMENT 013061 0 PERMIT * * * * ** *** * ** * * **** *'* * "* Req. Mon. Req. Mon. ug /L Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Oil and grease SAMPLE MEASUREMENT Af A / A/P '.v / -"- Nis 0358210 PERMIT * " * * ** " * * * ** " * * * ** "** * ** * * **** 10 mg /L Contingent GRAB Effluent Gross REQUIREMENT INST MAX Solids, total dissolved SAMPLE MEASUREMENT 3 S? -7 -f"%44 Q (I fa `V fCd 702951 0 PERMIT * * * * "' " " * *'* * * " *** * * " " ** Req. Mon. Req. Mon. mg /L Quarterly CALCTD Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Oil and grease visual SAMPLE MEASUREMENT 840661 0 PERMIT * * " " "* Req. Mon. Y =1;N =0 " " * "* " * ** * * *' "" **""" Quarterly VISUAL Effluent Gross REQUIREMENT INST MAX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction w supervison in accordance with a system designed to assure that qualified personnel property gather and aluate the information submitted Based on my inquiry of the person or persons who manage the system. or those persons directly responsible for gathering the information the information submitted is to the best of my knaMedge and belief, true, accurate, and complete I am aware that there are sgrsficant penalties for submitting false information. including the possibility of fine and imprisonment (or owing violations. /r / TELEPHONE DATE qW F70-2;>—Z, I ,I SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT TYPED OR PRINTED =bode NUMBER MM/DD /YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. 08/26/2013 Page 1