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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) (SUBR JC) <br /> F - FINAL ROUTT <br /> MINE 1, POND F TO FOIDEL CREEK <br />000027154 007 A F-1 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 <br />AVERAGE <br />MAXIMUM <br />UNITS <br />MINIMUM <br />AVERAGE <br />MAXIMUM <br />UNITS NO. <br />EX OF <br />ANALYSIS TYPE <br />pH SAMPLE <br />MEASUREMENT <br />8,2 <br />8.5 <br />0 <br />3/31 <br />Grab <br />00400 1 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT ****' ***' """ 6.5 <br />MINIMUM 9 <br />MAXIMUM SU TWICE/ <br />PER MO <br />GRAB <br />SOLIDS, TOTAL <br />SUSPENDED SAMPLE <br />MEASUREMENT ***'** *****' ****"* <br />< 55.67 <br />7 <br />0 <br />3/31 <br />Grab <br />00530 1 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT 35 <br />30DA AVG 70 <br />DAILY MAX MG/L ONCE/ <br />PER MO <br />GRAB <br />SOLIDS, TOTAL <br />SUSPENDED SAMPLE <br />MEASUREMENT <br />NA <br />NA <br />NA <br />NA <br />NA <br />00530 O 0 <br />SEE COMMENTS BELOW PERMIT <br />REQUIREMENT ****'* """ "*'** Req. Mon. <br />30 DAY AVG Req.'Mon. <br />DAILY MAX MG/L ONCE/ <br />PER MO <br />GRAB <br />IRON <br />TOTAL RECOVERABLE SAMPLE <br />MEASUREMENT <br />110 <br />110 <br />0 <br />1/31 <br />Grab <br />00980 1 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT '**"* 1000 <br />30DA AVG Req. Mon. <br />DAILY MX UG/L ONCE/ <br />PER MO <br />GRAB <br />OIL AND GREASE SAMPLE <br />MEASUREMENT *""*" **"*** ****** ** **** <br />NA <br />NA <br />NA <br />NA <br />03582 1 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT 10 <br />INST MAX MG/L <br />CONTINGENT <br />GRAB <br />FLOW, IN CONDUIT OR <br />THRU TREATMENT PLANT SAMPLE <br />MEASUREMENT <br />0.0187 <br />0.0426 ..* <br />0 <br />117 <br />instan <br />50050 1 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT 2.97 <br />30DA AVG Req. Mon. <br />INST MAX Mgal/d <br />WEEKLY <br />INSTAN <br /> <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under TELEPHONE DATE <br /> <br /> <br />Brian A. Watterson, P.G. my direction or supervision in accordance with a system designed to assure that qualified <br />personnel properly gather and evaluate the information submitted. Based on my inquiry of <br />970 870 - 2750 <br />` <br />b P <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL v <br />( b <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 D <br /> <br /> <br />TYPE OR PRINTED <br />true, accurate, and complete. I am aware that there are significant penalties for submitting <br />false information, including the possibility of fine and imprisonment for knowing violations. AY <br />1E11 1 0 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.AA., 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 1