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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />PERMITTEE NAME/ADDRESS (includes Facility Name/Location If Diff <br />t <br /> eren <br />) DISCHARGE MONITORING RE PORT (DMR) MAJOR <br /> NAME <br />TWENTYMILE COAL COMPANY (SUBR JC) <br /> <br />j <br />ADDRESS MINES 1,2&3 SOUTH <br />& ECKMAN PK F - FINAL <br />ROUTT <br /> , <br />29515 RCR #27 000027154 MINE 1, POND C TO FOIDEL CREEK <br /> <br />FACILITY LOCATION OAK CREEK <br />CO 80467 PERMIT NUMBER 004 A <br />D M Check here if No Discharge <br />, ISCHARGE NUMBER NOTE: Read instructi <br /> ons before completing this form <br />ATTN' <br />Mr. Jerry Nettleton, Environmental Supervisor MONITORING PERIOD <br />- <br /> YEAR MO 7 <br />AY <br /> 08 04 ? <br />?D Y <br />R <br />1 <br />DAY <br /> TO 68 <br />7 04 <br />04 30 <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION <br /> <br />AVERAGE MAXIM <br />CO UM <br />UNITS <br />NDUCTIVITY <br /> <br /> <br />INIMUM <br /> <br /> <br />O. FREQUENCY <br /> <br /> <br />OF SAMPLE <br />* <br />SAMPLE *** <br />** +«++*. <br />+«*«*' <br />AVERAGE <br />MAXIMUM <br /> <br /> <br />NITS EX <br />TYPE <br />MEASUREMENT <br />ANALYSIS <br />00094 1 0 0 <br />PERMIT <br />EFFLUENT <br />GROSS VALUE <br />M <br />*****? "`*' <br />QUIRE <br />ENT <br />pH REPORT <br /> <br />' 'REPORT UMHO/CM <br />SAMPLE ****** +....* 30DA AVG DAILY MX - <br />SUREMENT <br />QUARTERLY GRAS <br />00400 1 0 0 PERMIT' +. +. <br />r <br />,,. <br />EFFLUENT GROSS VALUE *~*y*« 6.5 <br />REQUIREMENT <br />SOLIDS, TOTAL <br />SAMPLE ****^* MINIMUM 9 SU <br />SUSPENDED <br />MEASUREMENT MAXIMUM WEEKLY INFITU <br />00530 0 0 0 PffRM7r NA <br />SEE COMMENTS BELOW REQUIREMENT REPORT <br /> <br />SOLIDS, TOTAL <br />SAMPLE <br />30DA avc MG/L <br />ONCE/ <br /> <br />SUSPENDED MEASUREMENT *** "^* DAILY MAX PER MO GRAB <br />00530 1 0 0 <br />PERMIT *++ ++++++ NA (19) <br />++++.+ <br />EFFLUENT GROSS VALUE REQUIREMENT <br />35 <br /> <br />SOLIDS, SETTLEABLE SAMPLE *^**** +*, <br />30DgYAVG 79 MG/L ONCE <br />«.. <br />MEASUREMENT "*`** <br />** **** DgILYMAX <br />PER MO GRAB <br />00545 0 0 0 PERMIT ., <br />SEE COMMENTS BELOW REQUIREMENT .«*«** "`*`" '* ***^ <br /> <br />SOLIDS, SETTLEABLE SAMPLE *'**'* 0.:5 ML/L ONCE <br />*+«+++ <br /> <br />MEASUREMENT DAILY MAX <br />PER MO GRAB' <br /> <br />00545 1 0 0 PERMIT s + ++ , (25) <br />EFFLUENT GROSS VALUE REQUIREMENT <br /> <br />IRON, TOTAL SAMPLE **^`*^ -REPORT MUL ONCE/ <br />«,. <br />(AS FE) MEASUREMENT *• *««`** DAILY MX 'PER MO GRAB'S <br />0104$ 1 0 0 PERMIT *^**** ,+,,,. <br />NA <br />(t s> <br />SEE COMMENTS BELOW REQUIREMENT «.+.+. REPORT <br /> <br />NAMFJTITLE PRINCIPAL EXECUTIVE OFFICER <br />I Certify under penalty of law that this d <br />30DA AVG REPORT <br /> <br />DAILY MX MG/L <br />ONCE/ <br /> <br />ocument and all attachments were prepared under <br />my direction or supervision in accord <br />i <br />PER MO <br />GRAB <br />ance w <br />th a system designed to assure that qualified <br />Brian A. Watterson, P.G. TELEPHONE DATE <br />personnel properly gather and evaluate the information submitted. Based on my inquiry of <br />Geologist <br />the person or persons who manage the system, or those persons directly responsible for <br /> <br />-gatherin <br />th <br />i <br />f <br />SIGNATURE OF P 970 870 - 2750 Q <br />- tl <br />g <br />e <br />n <br />ormation, the information submitted is, to the best of my knowled <br />d RINCIPAL <br />ge an <br />belief, <br />true, accurate, and complete. I am aware that there are significant penalties for submitting <br />TYPE OR PRINTED <br />OFFICER OR AUTHORIZED AGENT <br />AREA CODE NUMBER <br />YEAR MO <br />false information, including the possibility of fine and imprisonment for knowing violations. <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS <br />R <br />f DAY <br />( <br />e <br />erence all attachments here) <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC'O) APPLY ONLY IF <= 10=YR <br />24-HR PRECIP EVENT C <br />, <br />LAIMED. <br />SEE PART I.A.4., PG. 6 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE I <br />B <br />1 <br />D <br />-PG <br />11 <br />. <br />. <br />. <br />, <br />. <br />. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used <br />"Ut 1 OF 2 <br />00059/0103pn-11 ag