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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 />000027154 006 A rX 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 10 O1 TO 09 12 31 <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 />CONDUCTIVITY SAMPLE .."`* ***«" «***** (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 />pH SAMPLE ..**.* ....*. .. ... (12) <br /> MEASUREMENT <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 <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 <br />00530 O 0 PERMIT ..*... .*...* ..*... ..*.** Req. Mon. Req. Mon. MG/L <br />SEE COMMENTS BELOW -REQUIREMENT 30DAYAVG: DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE "*"` *****` ****** (25) <br /> MEASUREMENT <br />00545 1 0 PERMIT ..,... **.... **.*,* **.*.. Req. Mon. 0.5 MUL <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE `**"` ****** ****** (25) <br /> MEASUREMENT <br />00545 O 0 PERMIT _ ?.... ...*.. ...*.. * *.«. Req. Mon. Req. Mon. MUL <br />SEE COMMENTS BELOW REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />IRON SAMPLE """ ****** ****`* (28) <br />TOTAL (as Fe) MEASUREMENT <br />01045 1 0 PERMIT ....*. ,**.** ...*.. ...... 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG 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. Based on my inquiry of ?! L 970 870 - 2750 a <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL l <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 />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 I.B.1.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2 <br />00021/011119-1005