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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1 & 2 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) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUER JC) <br />F - FINAL ROUTT <br />ACUTE WET TESTING FOR 001A <br />000036684 001 W = 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 07 01 TO 10 09 r 30 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> <br />LC50 STATRE 48HR ACU <br />CERIODAPHNIA <br />L22 <br />SAMPLE <br />MEASUREMENT <br />AVERAGE <br />....*' <br />MAXIMUM <br />**'*** <br />UNITS <br />MINIMUM <br /> <br />> 100 <br />AVERAGE <br />,••*•• <br />MAXIMUM <br />***,,, <br />UNITS <br />(23) NO. <br />EX <br /> <br />0 of <br />ANALYSIS <br /> <br />1/92 TYPE <br /> <br />TAM3B 1 0 0 <br />PERMIT <br />""**` <br />'***** <br />**"*" grab <br /> <br />EFFLUENT GROSS VALUE <br />LC50 STATRE 96HR ACU <br />MENIDIA <br />REQUIREMENT <br />SAMPLE <br />MEASUREMENT <br /> <br />'***** <br /> <br />*""'* 100.0001 <br />MN VALUE <br /> <br />> 100 <br /> <br />****" <br /> <br />****" PERCENT <br /> <br />(23) <br /> <br />0 <br />QTRLY <br /> <br />1/92 <br />GRAB <br /> <br />r <br />b <br />TAN6B 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT **"" 100.0001 <br />MN VALUE '**"** <br />j '***** PERCENT <br />QTRLY g <br />a <br />GRAB <br /> <br /> <br /> <br /> } <br /> <br /> I <br /> <br /> <br /> <br /> i <br />NAMEMTLE 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 />' <br />970 870 - 2750 <br />/?( <br />R( <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL r v / v <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER <br /> YEAR MO DAY <br /> <br />TYPE OR PRINTED 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. <br />vv,v--, I v -- -.., ter.,.,,, ,v,- r„- v 1v1n i 1-0 1 ncIClCIll:v all allaWllllcllib IICIC/ <br />REPORT LC50 - STATISTICAL POINT ESTIMATE WHICH IS LTHAL TO 50% OF TEST ORGANISMS, AND ATTACH ACUTE TOXICITY TEST REPORT FORM TO DMR. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 1 <br />00228/010702-1120