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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, Env. Manager <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br />F - FINAL ROUTT <br />POND DISCHARGE TO FISH CREEK <br />COG850000 001 A ?X 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 />09 10 )1 TO 09 12 31 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />PH SAMPLE ++,,"* **""' ,* +.++ <br /> (12) <br /> MEASUREMENT <br />00400 1 0 0 PERMIT 6.5 +* ...: - . 9.01 SU TWICE <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT <br />MINIMUM <br />'MA XIMUM . <br />PER MO - <br />GRAB <br />SOLIDS, TOTAL SAMPLE ***'** **""*' <br /> <br />SUSPENDED <br />MEASUREMENT <br />******* (19) <br />00530 1 0 0 PERMIT 35 70, MG/L TWICE <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT <br />30 DAY AVG <br />DAILY MAX „ <br />PER MO <br />GRAB' <br />SOLIDS, SETTLEABLE SAMPLE (25) <br /> MEASUREMENT <br />00545 1 0 0 PERMIT *"**** ****'* "'*'* "**** REPORT 0.5 mUL TWICE, <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG. DAILY MAX PER MO 'GRAB <br />' <br />IRON SAMPLE «.*«** *«*«* (19) <br />TOTAL RECOVERABLE MEASUREMENT ****** <br />00980 P 0 0 PERMIT """ '**"* «"'*` *••'•'••• REPORT REPORT MUL TWICE <br />See Comments Below REQUIREMENT ROLL. AVG - ' DAILY ;MX PER MO ,,GRAB <br />IRON SAMPLE (19) <br />TOTAL RECOVERABLE MEASUREMENT ******* <br />00980 1 0 0 PERMIT +"'+" +",,* '"*"• 1000 REPORT Ug/L TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB' - <br />OIL AND GREASE SAMPLE "*'"* ***"** ***i** w* **•• . <br /> MEASUREMENT (19) <br />03582 1 0 0 PERMIT .++*,. +.+*.* ,,.++* ..,"*. *, »*++ <br />to .+*+ <br />, <br />See Comments Below REQUIREMENT INST MAX MG/L CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) ****** ** **** *+•+•• <br />THRU TREATMENT PLANT MEASUREMENT +++• <br />50050 1 0 0 PERMIT REPORT REPORT. MGD TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MAX PER MO INSITU <br />NAMEMTLE 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 properly gather and evaluate the information submitted. Based on my inquiry of 11 970 870 - 2750 <br /> <br />Geologist <br />the person or persons who manage the system, or those persons directly responsible for <br />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 /> 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 />OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE 1.13.1.(D). DETECTION LIMITS - SEE I.E.3. SALINITY MONITORING - SEE I.B.2. QUARTERLY SAMPLING INSTRUCTIONS I.C.9; <br />REPORT RESULTS ON MARCH, JUNE, SEPT, & DEC DMRS. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD REPORTED. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2