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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 r 7X 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 04 01 TO 08 06 r 30 <br /> QUALITY 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 />LC50 STATRE 48HR ACU <br />CERIODAPHNIA SAMPLE <br />MEASUREMENT .."" "•*•* <br />> 100 •**•** •***** (23) <br />0 <br />1/91 <br />GRAB <br />TAM36 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT - <br />_ - '- <br />_ -° 100.0001 <br />MN VALUE "" " <br />- <br />- PERCENT <br />OTRLY <br />GRAB <br />LC50 STATRE 96HR ACU <br />MENIDIA SAMPLE <br />MEASUREMENT <br />> 100 (23) <br />0 <br />1/91 <br />GRAB <br />TAN613 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT "'""' """ •*"*" 100.0001 <br />MN VALUE PERCENT <br />OTRLY ' <br />GRAB <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />.J 6 -j <br />NAMErrITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under j TELEPHONE DATE <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 vSC <br />tJ ?V <br />970 870 - 2750 <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL <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 /> <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 />I:VIVIIVItIV I J HIVV ?nr ?ni?ni iv?• v? ?i? i vw?r+? iv?w tiicic?cna.c au aua?.nnicnw nc?c/ <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 <br />PAGE 1 OF 1