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PARAMETER <br />I« mh under penalty onmw thatwadoctmnent and all attachments were prepared under mydirectio nor <br />supervision in accordance with a system designed to assure that qualified personnel properh gather and <br />•valu to th • information subnuhed Based on my inquiry of the person or persons who manage the <br />system, or those persons directly rmponsible for gathering the information, the information submitted in <br />to the best of my knowledge and behet, iruc, accurate and complete I am aware that there a g feint <br />penalties for submithmg wise information, including the possibility of tine aril impnsomnenl for knowing <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />EX <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />Oil and grease <br />03582 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />...... <br />04 /9 <br />/V/ <br />A f <br />IJ ;- <br />.....• <br />..•.•. <br />..•... <br />....•. <br />PERMIT <br />REQUIREMENT <br />10 <br />INST MAX <br />mg /L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plant <br />5005010 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />0 • d G L <br />j� <br />0 ' (✓ q <br />• „••• <br />i <br />(NZr:L(C /C/ <br />/0‘ /t <br />.•,••• <br />.•,,,,, <br />• „••• <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />3ODA AVG <br />Req. Mon. <br />DAILY MX <br />Mgal /d <br />•••••• <br />I/Ux (Cous� (N/ <br />a++ <br />i g / i t <br />Oil and grease visual <br />84066 1 0 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />G <br />. ..... <br />..•.•. <br />O <br />7 <br />(l;s�c; I <br />....., <br />.•.... <br />,..,.. <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />INST MAX <br />Y =1:N =0 <br />~•'•• <br />Weekly <br />VISUAL <br />NAME /TITLE PRINCIPAL EXECUTIVE OFFICER <br />I« mh under penalty onmw thatwadoctmnent and all attachments were prepared under mydirectio nor <br />supervision in accordance with a system designed to assure that qualified personnel properh gather and <br />•valu to th • information subnuhed Based on my inquiry of the person or persons who manage the <br />system, or those persons directly rmponsible for gathering the information, the information submitted in <br />to the best of my knowledge and behet, iruc, accurate and complete I am aware that there a g feint <br />penalties for submithmg wise information, including the possibility of tine aril impnsomnenl for knowing <br />/ <br />TELEPHONE <br />DATE <br />��/ ( I/ (/ t * <br />Y ` j n <br />/�/ <br />i `/ - �� � <br />g 7� 7 ( L7 C? <br />n „ <br />/ <br />(� ( f/ 2- 7(/ <br />( <br />SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AUTHORIZED AGENT <br />AREA Code I NUMBER <br />r <br />MM /DD/YYYY <br />TYPED OR PRINTED <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Twentymile Coal Company <br />ADDRESS: 29515 Routt CR 27 <br />Oak Creek, CO 80467 <br />FACILITY: <br />LOCATION: <br />MINES 1&2 AND ECKMAN PARK MINE <br />29515 RCR #27 <br />OAK CREEK, CO 80467 <br />ATTN• JERRY NETTLETON, ENV SUPERVISR <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />FROM <br />000027154 <br />PERMIT NUMBER <br />008 -A <br />DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM /DD/YYYY <br />03/01/201i.. <br />MM /DD/YYYY <br />03/31 /2012— <br />TO <br />DMR Mailing ZIP CODE: 80467 <br />MAJOR <br />(SUBR JC) ROUTT <br />MINE 1, POND G TO FOIDEL CREEK <br />External Outfall <br />Form Approved <br />OMB No 2040 -0004 <br />No Discharge <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />ALTERNATE LIMITS FOR TSS (MLOC =O) APPLY IF 10YR,24HR PRECIP EVENT CLAIMED. ALTERNATE LIMITS FOR IRON &SETTLEABLE SOLIDS (MLOC =O) APPLY ONLY IF <= 10YR,24HR PRECIP. EVENT CLAIMED. OIL & GREASE <br />- SEE I.C.19,PAGE 16. <br />03/31/2011 Page 2 <br />