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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,20 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) (SUER JC) <br />F - FINAL ROUTT <br />MINE 1, POND C TO FOIDEL CREEK <br />000027154 004 A QX Check here if No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read Instructions before completing this form <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />10 01 01 TO 10 03 31 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />CONDUCTIVITY SAMPLE ***... *..*** «***** <br /> (11) <br /> MEASUREMENT <br />00094 1 0 PERMIT '***** '***** Req. Mon. Req. Mon. UMHO/CM QRTLY <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG QRTR MX GRAB <br /> <br />pH <br />SAMPLE <br />....+* <br />'+*+" . <br /> MEASUREMENT <br />00400 1 0 PERMIT ` «**«*` ***`*« 6.5 9 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY INSITU <br />SOLIDS, TOTAL SAMPLE ""** ****** *+*+** <br />SUSPENDED MEASUREMENT <br />00530 1 0 PERMIT *'***« **++'* "*`** *"*** 35 70 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE *"*`+ *`*«** ***«+* <br />SUSPENDED MEASUREMENT <br />00530 O 0 PERMIT Req. Mon. Req. Mon. MG/L <br />SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE *****« **«*** ****** <br /> MEASUREMENT <br />00545 1 0 PERMIT ...... .*+... ...... ...+.. <br />Req. Mon. <br />0.5 <br />MUL <br />" <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE '+'**' *'**** *****+ <br /> MEASUREMENT NA <br />00545 O 0 PERMIT '«*«** **"++ +*+"` ****** Q- nM nn <br />Req RAI /I <br />Y v` <br /> <br />SEE COMMENTS BELOW <br />REQUIREMENT <br />30 DA AVG . <br />DAILY MX <br />WEEKLY <br />GRAB <br />IRON SAMPLE *++*++ ...+.+ +*.««* <br />TOTAL (as Fe) MEASUREMENT <br />01045 1 0 PERMIT '**`** " ****** +'+*** 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG , <br />DAILY MX WEEKLY GRAB <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under / TELEPHONE DATE <br /> my direction or supervision in accordance with a system designed to assure that qualified <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted <br />Based on my inquir <br />of F 970 87 <br /> . <br />y 0 - 2750 <br />G <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL <br />Z <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 />IiUIVIMEN I J AND rArLAIVA I IUIV Ut-HIV Y VIOLATIONS (Reference all attachmehtS here) <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC'O') 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 1.B. 1.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used <br />PAGE 1 OF 2 <br />00021/011119-1005