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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) (SUBR JC) <br />F - FINAL ROUTT <br />MINE 1, POND B TO FOIDEL CREEK <br />000027154 003 A = Check here if No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read Instructions before completing this form <br />MONITORING PERIOD <br />YEAR NO DAY YEAR MO DAY <br />10 07 01 TO 10 09 30 <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 ""** '****" **•**' (11) <br /> MEASUREMENT :3570 3720 0 5/92 Grab <br />00094 1 0 PERMIT *"""** '***" ****`* "`*** Req. Mon. Req. Mon. uMHO/CM QRTLY <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG ., <br />QRTR MX GRAB <br />pH SAMPLE **"""* ""** **** (12) <br /> MEASUREMENT 7.96 8.5 0 1/7 InSltu <br />00400 1 0 PERMIT *..... ...«* ,.*.«. 6.5 9 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY INSITU <br />SOLIDS, TOTAL SAMPLE "*"` ****"* "`*** (19) <br />SUSPENDED MEASUREMENT 28.3 46 1 1/7 Grab <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 *""` '*`*** ***'** (19) <br />SUSPENDED MEASUREMENT NA NA NA NA NA <br />00530 O 0 PERMIT **«**" "`*" *"*"` «**"** j Req. Mon. Req. Mon. MG/L <br />SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE ****** "***" *'**** (25) <br /> MEASUREMENT < 0.1 < 0.1 0 1/7 Grab <br />00545 1 0 PERMIT ****"* ****** '***"' ***"* Req. Mon, 0.5 ML/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY r GRAB <br />SOLIDS, SETTLEABLE SAMPLE ****** ****`* ***`** (25) <br /> MEASUREMENT NA NA NA NA NA <br />00545 O 0 PERMIT *"**** *"*** ***"*` "**'* Req. Mon. Req. Mon. ML/L <br />SEE COMMENTS BELOW REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />IRON SAMPLE *****" **"" *"'*` (28) <br />TOTAL (as Fe) MEASUREMENT 503.3 640 0 1/7 Grab <br />01045 1 0 PERMIT <br />.*«*.. <br />.*«... <br />....«. <br />••"t*t <br />3500 <br />7000 <br />UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 300A AVG DAILY MX WEEKLY GRAB <br />NAMENITLE 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 />/ <br />x( <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 /10 /a <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 />twrvnwCiv 1 J /11vv ?nr ?ru?? i ivw vi n?? v iv?/"? IvIVJ (nclclcllliC all allaullilluluS llele/ <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 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