2015-01-30_HYDROLOGY - C1982056 (5)

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PERM ITTEE 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 005 -Q PERMIT NUMBER I DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD /YYYY 10/01 12014 12/31/2014 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) Quarterly Monitoring for 005A External Outfall No Discharge ED NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I certify under per alty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to ssure that qualified personnel properly gather and valuate the information submrted. Based on my inquiry of the person or persons who manage the system. or those persons dir c'ly responsible forgatheringthe information the information submitted is to the best of my knowledge and belief, true. accurate and complete. I am aware that there are signrcantpenattes for submttng false information ncludingthe possibility of fine and imprisonment for mowing violations. QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT 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 * * * * ** * * * * ** * * * * ** * * * * ** f 670 Cj t Q Z l-a6 0104510 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** 3500 7000 mg /L Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Iron, total [as Fe] SAMPLE * * * *y* * * * * ** * * * * ** * * * * ** MEASUREMENT l� tint r � f PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. ug /L Quarterly GRAB 0104500 See Comments REQUIREMENT QRTR AVG QRTR MAX Copper, potentially dissolved SAMPLE MEASUREMENT ( 1 013061 0 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. ug /L Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Oil and grease SAMPLE MEASUREMENT PERMIT * * * * ** * * * * ** * * * * ** * * * * ** * * * * ** 10 mg /L Contingent GRAB 0358210 Effluent Gross REQUIREMENT INST MAX Solids, total dissolved SAMPLE MEASUREMENT �( -1 %S U �� CaC�(%. 702951 0 PERMIT * * * * ** * * * * ** * * * * ** * * * * ** Req. Mon. Req. Mon. mg /L Quarterly CALCTD Effluent Gross REQUIREMENT ORTR AVG ORTR MAX Oil and grease visual SAMPLE MEASUREMENT I7 V(316q PERMIT * * * * ** Req. Mon. Y =1;N =0 * * * * ** * * * * ** * * * * ** * * * * ** Quarterly VISUAL 840661 0 Effluent Gross REQUIREMENT INST MAX NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I certify under per alty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to ssure that qualified personnel properly gather and valuate the information submrted. Based on my inquiry of the person or persons who manage the system. or those persons dir c'ly responsible forgatheringthe information the information submitted is to the best of my knowledge and belief, true. accurate and complete. I am aware that there are signrcantpenattes for submttng false information ncludingthe possibility of fine and imprisonment for mowing violations. �4 1,(�'j ,� 1� 10 TELEPHONE DATE .-� r(�ii4fi c �Yar.N TYPFn nR PRINTFD - %7CS'1Q c'7j�' 1 j zG �� SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code NUMBER MM /DDIYYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 08/26/2013 Page 1