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PERMITTEE NAMEIADDRESS pncludes Facility NameA ocadon 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) MAJOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br />F - FINAL ROUTT <br />ACUTE WET TESTING FOR 005A <br />000027154 005 W ? Check here 0 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 />11 01 01 TO 11 03 31 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />PE?? <br /> <br />AVERAGE <br /> <br />MAXIMUM <br /> <br />UNITS <br /> <br />MINIMUM <br /> <br />AVERAGE <br /> <br />MAXIMUM <br /> <br />UNITS <br />NO. <br />EX <br />OF <br />ANALYSIS <br />TYPE <br />LC50 STATRE 48HR ACU <br />CERIODAPHNIA SAMPLE <br />MEASUREMENT '••'•' •'•••• <br />> 100 » •»•• "•"' (23) <br />0 <br />1/90 <br />Grab <br />TAM3B 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT ••••" •""' •••••• 100.0001 <br />MN VALUE_ •' ••'•• •'•••• PERCENT 1111 <br />OTRLY : <br />GRAB <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />NAMEATITLE PRINCIPAL EXECUTIVE OFFICER 1 Certify under penalty of law that this document and all attachments were prepared under TELEPHONE DATE <br /> <br />Brian A. Watterson, P.G. my direction or supenAsion 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 />aS <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL r ` <br /> gathering the Irdomration, 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 />COMMENTS AND EXPLANATION OF ANY VIOLAI IVNS (Reference all Btramments here) <br />SEE PART I.A2. FOR DETAILS OF TEST PROCEDURE. REPORT LOWEST DILUTION (%EFFLUENT) WHICH IS LETHAL TO 50 %OF TEST ORGANISMS (LC50) AND ATTACH ACUTE TOXICITY TEST REPORT FORM TO DMR. <br />COPIES OF ALL INFORMATION MUST BE SENT TO EPA <br />EPA Form 3320-1 (REV 3/89) Previous editions may be used <br />PAGE 1 OF 1