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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, Enviornemntal Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br /> F - FINAL ROUTT <br /> POND "E" DISCHARGE TO FISH CR. <br />000036684 001 A 0 Check here if No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read instructions before completing this form <br />MONITORING PERIOD <br />YEAR MO DAY I YEAR MO DAY <br />10 I 07 I 01 I TO I1 10 09 30 <br /> QUALITY 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 4057 4150 0 9/92 b <br />00094 1 0 0 PERMIT ""«`« "`*«` `•**"* *"'"" REPORT REPORT UMHO/CM gra <br />EFFLUENT GROSS VALUE REQUIREMENT SODA AVG INST MX OTRLY GRAB <br />pH SAMPLE '"*'•' *'*"" +* (12) <br /> MEASUREMENT 7.71 8.3 0 9/92 rab <br />00400 1 0 0 PERMIT 6.5 9.0 SU TWICE/ g <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM <br />MAXIMUM <br />PER MO <br />GRAB <br />SOLIDS, TOTAL SAMPLE „„`* *`•` "**** (19) <br />SUSPENDED MEASUREMENT 7.3 9 0 9/92 rab <br />00530 1 0 0 PERMIT 35 70 MG/L TWICE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY±AVG DAILY MAX PER MO GRAB <br />SOLIDS, SETTLEABLE SAMPLE (25) <br /> MEASUREMENT 5 0.1 < 0.1 0 9/92 grab <br />00545 1 0 0 PERMIT " *"""" "`•" ""' REPORT REPORT ML/L TWICE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MAX PER MO GRAB <br />IRON SAMPLE "•"' *****" +* 1 (19) <br />TOTAL RECOVERABLE MEASUREMENT 257 600 0 9/92 grab <br />00980 1 0 0 PERMIT "«"'• ""•" """ '*"`* 1000.0 REPORT UG/L TWICE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB <br />OIL AND GREASE SAMPLE ""•` ""*' «*«*' "• `««` (25) <br /> MEASUREMENT ! NA NA NA NA <br />003582 1 0 0 PERMIT ,*« "• «•" ",,,, "••,,, ,• •„ 10 - MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX CONTINGENT - GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) ""'* *" ,+«* <br />(19) <br />THRU TREATMENT PLANT MEASUREMENT 0.017 0.018 0 1/7 instan <br />50050 1 0 1 PERMIT 0.15 REPORT MGD """'• " "'• "*` MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY 1NSTAN <br />NAMEfnTLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under J TELEPHONE DATE <br /> my direction or supervision in accordance with a system designed to assure that qualified / All/ / -" <br />( <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of . <br />/. 970 870 - 2750 !? ?•(' <br />Geologist the person or persons who manage the system, or those persons SIGNATURE OF PRINCIPAL [ <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 />r-N 10 ANU CAr-LNIVH I IUN Ur' HIV Y VIOLA I i0NS (Reference all arrachmentS here) <br />TSS LIMIT WILL BE WAIVED FOR 10YR, 24HR PRECIP EVENT - SEE BURDEN OF PROOF REQUIREMENTS UNDER I.A.2, P.4. <br />OIL & GREASE -SEE 1.B.1.B. 30 DAY AVERAGE IS HIGHEST MONTHLY AVG. DURING PERIOD REPORTED -SEE I.C.12. <br />EPA Form 3320-1 (Rev. 3/99) Previous editions may be used PAGE 1 OF 2 <br />00195/010702-1120