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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,2&3 SOUTH, & ECKMAN PK <br />29515 RCR #27 <br />FACILITY LOCATION OAK CREEK, CO 80467 <br />ATTN: Mr. Jerry Nettleton, Environmental Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br /> F - FINAL ROUTT <br /> MINE 1, POND D TO FOIDEL CREEK <br /> <br />000027154 005 A ? Check here if No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read Instructions before completing form <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />09 04 01 TO 09 06 30 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />IRON SAMPLE ***+++ x++*»* ****** (28) <br />TOTAL (as Fe) MEASUREMENT 322 510 0 14/92 grab <br />01045 1 0 PERMIT *+xxx» ++*.** ****** *»**•* 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY. MX QUARTERLY GRAB <br />IRON SAMPLE »»»»»» »»»»x» »»»»»» (28) <br />TOTAL (as Fe) MEASUREMENT NA NA NA NA NA <br />01045 0 0 PERMIT **+»xx +»»»++ »»»»»» x+xx.x Req. Mon. Req. Mona UG/L <br />SEE COMMENTS REQUIREMENT 30DA AVG DAILY MX QUARTERLY GRAB.;, <br />COPPER, POTENTIALLY SAMPLE ****** *+**+* ***+++ (28) <br />DISSOLVED MEASUREMENT <10 <10 0 1192 grab <br />01306 1 0 PERMIT ++•*** *+.*+* *+»»»» +*++ Req. Mon. Req. Mon: UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX QUARTERLY GRAB <br />OIL AND GREASE SAMPLE ****** ****** »»++++ ** **** (19) <br /> MEASUREMENT NA NA NA NA <br />03582 1 0 PERMIT x»»».» »*»x»» »x»»»» x*»»»» x »*+. 10 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) **+*** ** **** *****+ <br />THRU TREATMENT PLANT MEASUREMENT 0.268 0.444 ++++ 0 1/7 instan <br />50050 1 0 PERMIT 4.55 REPORT MGD *w*+++ ** **** xxxG»x - - ' »»»x <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG INST'MAX WEEKLY NSTAN' <br />SOLIDS, TOTAL SAMPLE *+*+** +****+ ****** <br />(19) <br />DISSOLVED MEASUREMENT 3027 3117 0 8/92 calf <br />70295 1 0 PERMIT »»»*»* »»x*»» »»»..» +x»*». Req. mon. Req. Mon. MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG QRTR' MX QUARTERLY CALC - <br />OIL AND GREASE VISUAL SAMPLE *+**** (9P) ****** ** ++»* ****** <br /> MEASUREMENT 0 **** 0 1/7 Visual <br /> <br />4066 1 0 <br />PERMIT xxr»»* <br />REPORT <br />YES= 1 xxxar.» »».»»*» »»xx*. <br /> <br />**** <br />WEEKLY <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 VISUAL <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under I TELEPHONE DATE <br /> my direction or supervision in accordance with a system designed to assure that qualified n <br />Brian A. Watterson, P.E. personnel properly gather and evaluate the information submitted. Based on my inquiry of `( rr'vvv L,? / 970 870 - 2750 G1 - L <br />Geologist the person or persons who mana <br />e the s <br />stem <br />or those <br />ersons directl <br />res <br />onsible f <br />r SIGNATURE OF PR <br />C C Q <br />? y <br /> g <br />y <br />, <br />p <br />y <br />p <br />o IN <br />IPAL <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR MO DAY <br /> true, accurate, and complete. I am aware that there are significant penalties for submitting <br />TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. <br />GOMMLN I S AND LXHLANA I ION O ANY VIOLA I IONS (Kererence all attaChMehtS here) <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC '0') APPLY ONLY IF - 10=YR,24-HR PRECIP EVENT CLAIMED. <br />SEE PART I.A.4., PG. 8 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE I.B.1.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 2 OF 2 <br />00021/011119-1005