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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 />_ <br />000036684 001 A a Check here if No Discharge <br />PERMIT NUMBER <br />77 DISCHARGE NUMBER <br />NOTE: Read Instructions before completing this form <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />11 01 01 TO 11 03 31 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREOUENCY SAMPLE <br />PARAMETER NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />CONDUCTIVITY SAMPLE ....., ...... <br />*«***• <br />(11) <br /> MEASUREMENT 3570 3690 0 5190 Grab <br />00094 1 0 0 PERMIT -'*»», '•»»:- ""*' ••'••• - REPORT REPORT UMHO/CM .. ..., . .'. ,, <br />EFFLUENT GROSS VALUE REQUIREMENT `.30DA AVG INST MX OTRLY GRAB <br />pH SAMPLE ""•' •'•`« » •"• (12) <br /> MEASUREMENT 8.2 8.4 0 1/7 Insitu <br /> .».... ».«. ».... ..... 9.0 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM <br />SOLIDS, TOTAL SAMPLE ""'* ""'• •'***« (19) <br />SUSPENDED MEASUREMENT < 6.7 8 0 5/90 Grab <br />00530 1 0 0 PERMIT ,...» •.••» .»... .»,.. 35 70 MG/L ONCE(° <br />EFFLUENT GROSS VALUE REQUIREMENT. 30 DAY AVG. DA LY MAX - PER MO r GRAB <br />SOLIDS, SETTLEABLE SAMPLE "•"' "•"' "••" <br />(25) <br /> MEASUREMENT < 0.1 < 0.1 0 5/90 Grab <br />00545 1 0 0 PERMIT '•«» ••'••• •'»•' ••»" REPORT ML/L ONCE/ <br />EFFLUENT GROSS VALUE • - REQUIREMENT -- " ` 30 DAY.AVG - - DAILY MAX ..PER MO_ '? GRAB;: ± <br />IRON SAMPLE •"•,' "•`•' '•'•" <br />(19) <br />TOTAL RECOVERABLE MEASUREMENT 0.165 0.2 0 5/90 Grab <br />00980 1 0 0 PERMIT '*"" ••,•» «••» -••»» 1'0 REPORT ! MG/L -,ONCE/-- <br />EFFLUENT GROSS VALUE REQUIREMENT 3aDA AVG DAILY Mx `PER-'%tn G 3AR <br />OIL AND GREASE SAMPLE """ '•"•* »'•" " •"* (25) <br /> MEASUREMENT NA NA NA NA <br />003582 1 0 0 ; Pt-K - »...* ..».. ,.*,._ ...». ,. 10 MG/L <br />EFFLUENT GROSS VALUE REQOHEMErlf_ INSTMIAX - CUNfINGElJT;: ,„GHns> <br />FLOW, IN CONDUIT OR SAMPLE (03) (19) <br />THRU TREATMENT PLANT MEASUREMENT 0.03 0.05 0 117 Instan <br />50050 1 0 1 "PERr.kr: , 0:15 REPORT'°. MGD MG/L - <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY Mx WEEKLY TJSTAN; <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. W atterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 ?/ ' D <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL (( T `?J <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 />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS LIMIT WILL BE WAIVED FOR 10YR, 24HR PRECIP EVENT- SEE BURDEN OF PROOF REQUIREMENTS UNDER I.A.2, PA. <br />OIL & GREASE - SEE I.E.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