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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) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUER JC) <br />PRIOR TO FOIDEL CREEK TRIB ROUTT <br />COG072758 001 A X 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 />09 07 01 TO 09 09 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 />pH SAMPLE ****** ****** ** **** (12) <br /> MEASUREMENT <br />00400 1 0 0 PERMIT ««ww++ www}++ }«+kkk 6.5 9 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY INSITU <br />SOLIDS, TOTAL SAMPLE ****** ****** ****** (19) <br />SUSPENDED MEASUREMENT <br /> <br />00530 0 0 <br />PERMIT ki}++« -++k««t ++«++} +}}««« <br />30 <br />45 <br />MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG MAX 7D AV WEEKLY GRAB <br />OIL AND GREASE SAMPLE ****** ****** ****** ** **** <br /> MEASUREMENT <br />03582 1 0 0 PERMIT +«w}«+ REPORT ++xw++ w}w}}} ++ +?+w 10 .+«« <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX INST MAX CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) ****** ** **** ****** <br />THRU TREATMENT PLANT MEASUREMENT **** <br />50050 1 0 0 PERMIT OPTIONAL REPORT MGD <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE ****** * **** ****** <br />DISSOLVED MEASUREMENT (19) <br />70295 1 0 0 PERMIT OPTIONAL REPORT MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG - DAILY MX WEEKLY GRAB <br />OIL AND GREASE SAMPLE ****** (94) ****** ** **** ****** <br />VISUAL MEASUREMENT <br />84066 1 0 0 PERMIT REPORT YES = 1 <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 WEEKLY VISUAL <br /> <br /> <br />NAMEITITLE 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. Based on my inquiry of 970 870 - 2750 1 to <br />Geologist the person or persons who manage the system, or those persons directly responsible for 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 />L,UIVIIVl C1V 10 MINI.) CAr-LMIVM I IUIV %J MINT V I%JLM 1 IUIVO (rCC1CIC11UV tl11 clllt7U11111C111J 1ICIC) <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC 'O') APPLY ONLY IF - 10=YR,24-HR PRECIP EVENT CLAIMED. <br />SEE PART I.A.A., PG. 8 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE LBA.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2 <br />00273/010320-1132