2012-03-01_HYDROLOGY - C1982056 (2)

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PARAMETER I,emiv under penalty of law that tm, doom, em and audtachmentswere prepared under my, d,recaonor supervision in accordance with a system designed to assure that qualified personnel properh gather and ,aluale the Information submitted Based on my quire of the person or persons who manage the a stem, or those persons directly responstble for gathering the Infonnam, e information submitted a e th to the hest of ms knowledge and belief inn accurate and complex. 7 am aware that there are significant pm, the, ror: nmm�hnghlaemfomaeon. newangAcpogsna ,nnlrneandoprr.m,n,enuor oa,ng QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY OF ANALYSIS SAMPLE VALUE VALUE UNITS VALUE VALUE VALUE UNITS LC50 Statre 48Hr Acute D. Magna TAM3C 1 0 Effluent Gross SAMPLE MEASUREMENT ...... TYPED OR PRINTED ...... PERMIT REQUIREMENT 100 MN VALUE * ***a* ,a Quarterly GRAB NAMEITITLEPRINCIPALEXECUTIVEOFFICE I,emiv under penalty of law that tm, doom, em and audtachmentswere prepared under my, d,recaonor supervision in accordance with a system designed to assure that qualified personnel properh gather and ,aluale the Information submitted Based on my quire of the person or persons who manage the a stem, or those persons directly responstble for gathering the Infonnam, e information submitted a e th to the hest of ms knowledge and belief inn accurate and complex. 7 am aware that there are significant pm, the, ror: nmm�hnghlaemfomaeon. newangAcpogsna ,nnlrneandoprr.m,n,enuor oa,ng r ,,_....r....—......— i ,f......-- r 4 -4 / l C TELEPHONE DATE 7 s rf�'� I(7 V v� (5 ,.. r� —7 0 C J � [ —� 7 ^ ` 1 ` / /� Gr _ �� ` t a SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code I NUMBER /( MM /DDIYYYY TYPED OR PRINTED PERMITTEE NAME /ADDRESS (Include Facility Name/Location if Different) NAME: Twentymile Coal Company ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: LOCATION: MINES 1&2 AND ECKMAN PARK MINE 29515 RCR #27 OAK CREEK, CO 80467 ATTN JERRY NETTLETON, ENV SUPERVISR EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) FROM 000027154 PERMIT NUMBER 007 -W DISCHARGE NUMBER MONITORING PERIOD MM /DD /YYYY 10/01/2011 MM /DD/YYYY 12/31/2011 TO DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT ACUTE WET TESTING FOR 007A External Outfall 03/31/2011 Form Approved OMB No 2040 -0004 No Discharge COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) SEE PART I.A.4 FOR DETAILS OF TESTPROCEDURE REPORT LOWEST DILUTION( % EFFLUENT) WHICH IS LETHAL TO 50%0F TEST ORGANISMS (LC50) AND ATTACH ACUTE TOXICITY TEST REPORT FORM TO DMR. Page 1