2015-05-01_HYDROLOGY - C1982056 (10)

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PERMITTEE NAME/ADDRESS (Include Facility Namakocation 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 003 -Q PERMIT NUMBER I I DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 01 /01 /201-x° 03/31/201,q- Form 3/31 /201 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) Quarterly Monitoring for 003A External Outfall No Discharge ED NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction or QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER /� � � L/ 1 "_ „ EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS Conductivity SAMPLE MEASUREMENT *'• J TYPED OR PRINTED knowing violations. AUTHORIZED AGENT V NUMBER MMIDD /YYYY 000941 0 PERMIT * * " * "* « " « * "" *` « *'« " * * * ** Req. Mon. Req. Mon. umho /cm Quarterly GRAB Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Oil and grease SAMPLE MEASUREMENT (VA- 035821 0 PERMIT " * « *« * *" ** * * **** "* «* "** 10 mg /L Contingent GRAB Effluent Gross REQUIREMENT INST MAX Solids, total dissolved SAMPLE MEASUREMENT ADO 702951 0 PERMIT * *' * ** *****« * * **** " "** Req. Mon. Req. Mon. mg /L Quarterly CALCTD Effluent Gross REQUIREMENT QRTR AVG QRTR MAX Oil and grease visual SAMPLE MEASUREMENT 8406610 PERMIT ** *` ** Req. Mon. Y =1;N =0 ' * *' "` *`* " ** ' * "`* '** Quarterly VISUAL Effluent Gross REQUIREMENT INST MAX NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I 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/ 1 "_ „ M �2 V a yt(S✓� 'e(lSVel system. or those persons directly responsible for gathering the Information the information submitted is to the best of my knovdadge and belief, true. accurate and complete. I am aware that there are 1 `f� -7 inn 'y Q7c 2-7�J �/ v EXECUTIVE OFFICER OR ) �i sgnificantpenalties for submitting false Information. including the possibility offine and Imprisonment for SIGNATURE OF PRINCIPAL J TYPED OR PRINTED knowing violations. AUTHORIZED AGENT AREA Code NUMBER MMIDD /YYYY 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 i} 0)