2015-05-01_HYDROLOGY - C1982056 (11)

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PERMIT-FEE NAME /ADDRESS (Include Facility Name /LocationifDifferent) 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 MON -7 PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 03101/201_4;- 03/31/20t,!;— Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND F TO FOIDEL CREEK External Outfall No Discharge El PARAMETER I certify under penalty of law that lhn document and all attachments were prepared under my direct" " supervision in accordance with a system designed to assure that qualified personnel properly gather and QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS Arsenic, total [as As] SAMPLE MEASUREMENT penalties forsubm�thngfalseinformation. includingthepossibility ofrmeandimpnsonmentfor SIGNATURE OF PRINCIPAL �NUMBERsignificant (• G �, CI oveng wolauons. v (� (ii 010021 0 Effluent Gross PERMIT REQUIREMENT * *** ** * « ««.« " « « « «« •"« * «* Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Zinc, potentially dissolved SAMPLE MEASUREMENT 131-9 013031 0 Effluent Gross PERMIT REQUIREMENT ****'* *"*** ' " " " ** " * * * "* Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Chromium, trivalent, potentially dissolvd SAMPLE MEASUREMENT 013141 0 Effluent Gross PERMIT REQUIREMENT *""* '"*""* *' "*'" " * * * ** Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Lead, potentially dissolvd MEASUREMENT 0 ,� Q 6 *r 0131810 Effluent Gross PERMIT REQUIREMENT ** * * ** *** " *' "'**" ` " " " *" Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Nickel, potentially dissolvd SAMPLE MEASUREMENT 013221 0 Effluent Gross PERMIT REQUIREMENT * * * * ** * *** * " " * ""* "" * "* Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Selenium, potentially dissolvd SAMPLE MEASUREMENT . �j Ci - V r� j U re 013231 0 Effluent Gross PERMIT REQUIREMENT * * * * *' ' * * * "* " * ** *" * ** Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB NAME /71TLEPRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that lhn document and all attachments were prepared under my direct" " supervision in accordance with a system designed to assure that qualified personnel properly gather and /i ( . �n� TELEPHONE DATE valuate the information submitted. Based on my Inquiry of the person or persons who manage the �/ c system. or those persons directly responsible for gathering the information, the information submitted Is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are `� EXECUTIVE OFFICER OR penalties forsubm�thngfalseinformation. includingthepossibility ofrmeandimpnsonmentfor SIGNATURE OF PRINCIPAL �NUMBERsignificant oveng wolauons. AUTHORIZED AGENT ARFJ1 CodMMIDD/YYYY TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 0 8/2 612 01 3 Page 1