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PERMITTEE NAMEIADDRESS (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) (SUER JC) <br /> F - FINAL ROUTT <br /> MINE 1, POND T TO FOIDEL CREEK <br />000027154 002 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 YEAR MO DAY <br />10 05 01 TO 10 05 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 />pH SAMPLE ...... ...... ...«.. _.*_*. <br /> MEASUREMENT 7.24 8.4 0 1/7 Grab <br />00400 1 0 PERMIT 6:5 9 SU <br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE "*«" "'"'* *•"* <br />SUSPENDED MEASUREMENT < 5 < 5 0 117 Grab <br />00530 1 0 PERMIT "«*' **««*« ",?** 35 70 MG/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE <br />SUSPENDED MEASUREMENT NA NA NA NA NA <br />00530 O 0 PERMIT "*"" _`•" ««*««* ""* Req. Mon. Req. Mon MG/L <br />See Comments REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE <br /> MEASUREMENT < 0.1 < 0.1 0 1/7 Grab <br />00545 1 0 PERMIT •••«•• Req.. I ?1on 0:5 ML/L <br />Effluent Gross REQUIREMENT 30'DA AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE ...... ...**' «*«"' <br /> MEASUREMENT NA NA NA NA NA <br />00545 O 0 PERMIT Req. Mon. Req. Mon. MUL <br />See Comments REQUIREMENT 30DAAVG DAILY MX WEEKLY GRAB <br />IRON, TOTAL SAMPLE """" <br />(as FE) MEASUREMENT 1993 2300 0 1/7 Grab <br />01045 1 0 PERMIT 3500 7000 ug/L <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX WEEKLY GRAB <br />IRON, TOTAL SAMPLE <br />(AS FE) MEASUREMENT NA NA NA NA NA <br />01045 0 0 PERMIT Req. Mon. Req. Mon_ ug/L <br />See Comments REQUIREMENT 30DA AVG DAILY MX WEEKLY GRAB <br />NAME/rITLE 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 6 <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 ( <br /> <br />Geologist <br />the person or persons who manage the system, or those persons directly responsible for <br />SIGNATURE OF PRINCIPAL ?( d <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 (LOG '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 />00059/010320-1132