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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) 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 />08 06 01 TO 08 06 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 `..... ...,,* (12) <br /> MEASUREMENT 1107 124 2/91 GRAB <br />00094 1 0 0 PERMIT `**"" "*+•`"' ****** ****** Report Report SU <br />EFFLUENT GROSS VALUE ORTR-AVG --_- QRTR`MAx - pRTRLY GRAB <br />pH SAMPLE •+`*** ***"** `* `*** (12) <br /> MEASUREMENT <br />00400 1 0 0 PERMIT 6.5 9 SU, <br />EFFLUENT GROSS VALUE 'REQUIREMENT MINIMUM 'MAXIMUM WEEKLY INSITU' <br />SOLIDS, TOTAL SAMPLE .`«"' ""** <br />(19) <br />SUSPENDED MEASUREMENT NA NA NA NA NA <br />00530 0 0 0 PERMIT *`**" *"`*` ****** "`«*' :.REPORT:-. MG/L ONCE/ <br />SEE COMMENTS BELOW REQUIREMENT 30UA AVG DAILY MAX PER MO GRAB <br />SOLIDS, TOTAL SAMPLE ****+* `*`*++ ++**** (19) <br />SUSPENDED MEASUREMENT <br />00530 1 0 0 PERMIT ' <br />....*« <br />*.«,., <br />.****. <br />.,, <br />35 <br />70 <br />MG/L <br />ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB <br />SOLIDS, SETTLEABLE SAMPLE <br /> MEASUREMENT NA NA NA NA <br />00545 0 0 0 PERMIT 0.5 MUL ONCE/ <br />SEE COMMENTS BELOW REQUIREMENT DAILY MAX PER MO GRAS <br />SOLIDS, SETTLEABLE SAMPLE ****** **`*`* " *^** <br /> MEASUREMENT <br />00545 1 0 0 PERMIT '**•** "` REPORT MUL ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT DAILY MX PER MO GRAB <br />IRON, TOTAL SAMPLE "+*'++ **""* +"**+ (19) <br />(AS FE) MEASUREMENT NA NA NA NA NA <br />01045 1 0 0 PERMIT <br />,.., <br />***,** <br />REPORT <br />REPORT <br />MG/L <br />ONCE/ <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG DAILY MX <br />PER MO <br />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 property gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 t' <br />Geologist the person or persons who manage the system <br />or those persons directly responsible for SIGNATURE OF PRINCIPAL V <br /> , <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 3199) Previous editions may be used <br />PAGE 1 OF 2 <br />00059/010320-1132