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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR <br />PERMITTEE NAME/ADDRESS (includes Facility Name/Location ifIDiffei DISCHARGE MONITORING REPORT (DMR) (SUER JC) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,2&3 SOUTH, & ECKMAN PK 000027154 <br />29515 RCR #27 PERMIT NUMBER <br />FACILITY LOCATION OAK CREEK, CO 80467 <br />ATTN: Mr. Jerry Nettleton, Environmental <br />09 <br />F - FINAL ROUTT <br />MINE 1, POND D TO FOIDEL CREEK <br />MON 5 = Check here if No Discharge <br />DISCHARGE NUMBER NOTE: Read instructions before completing this form <br />IRING PERIOD <br />TO <br />Mo, DAY <br />071 31 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> <br />AVERAGE <br />MAXIMUM <br />UNITS <br />MINIMUM <br />AVERAGE <br />MAXIMUM <br />UNITS NO. <br />EX OF <br />ANALYSIS TYPE <br />ARSENIC, TOTAL SAMPLE '"**` ****"' +"+'* <br /> <br />(AS AS) <br />MEASUREMENT <br />1.0 <br />1.2 (28) <br />0 <br />2/31 <br />grab <br />01002 1 0 0 PERMIT ****** ****++ *_***. -' REPORT REPORT ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX UG/L MONTH GRAB <br />ZINC, POTENTIALLY SAMPLE *** ***+ "*`+ <br /> <br />DISSOLVED <br />MEASUREMENT <br /><10 <br />10,0 (28) <br />0 <br />2131 <br />grab <br />01303 1 0 0 PERMIT " '*' *`**`* *****+ *****" REPORT REPORT ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY t x UG/L MONTH GRAB <br />CHROMIUM TRIVALENT, SAMPLE *** <br />* *`*`** ****** 1 <br /> <br />POTENTIALLY DISSOLVD {{ <br />MEASUREMENT <br />I <br />< 0.5 <br />< 0.5 (28) <br />0 <br />2131 <br />grab <br />01314 1 0 0 PERMIT <br />X 11 <br />***fi°* ••***• *•*•** <br />REPORT <br />REPORT <br />ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT ,1 <br />.. 300A AVC DAILY MX UG/L MONTH GRAB <br />LEAD, SAMPLE * +** +••+•• ,f (28) <br />POTENTIALLY DISSOLVD MEASUREMENT < 0.1 < 0.1 0 2/31 rab <br />01318 1 0 0 PERMIT '*'**.* **+*"* *'**** `«**** REPORT REPORT ONCE/ g <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILYMX UG/L 'MONTH GRAB <br />NICKEL, SAMPLE **' *"" ****** <br /> <br />POTENTIALLY DISSOLVD <br />MEASUREMENT <br />50 <br />50 I (28) <br />o <br />2/31 <br />grab <br />01322 1 0 0 PERMIT ***++* **+*,. `****+ *****. <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT ` REPORT REPOr ONCE/ <br /> - 300A AVG DAILY MX UG/L MONTH GRAB <br />SELENIUM, SAMPLE *"", *•" •'* <br /> <br />POTENTIALLY DISSOLVD <br />MEASUREMENT <br />3.4 (( <br />5.7I (28) <br />0 <br />2131 <br />rab <br />01323 1 0 0 PERMIT * +` ****** ***`*` ****** g <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT REPORT <br />30DA AVG REPORT <br />D <br />M <br />' ONCE/ <br /> <br />MERCURY, TOTAL <br />SAMPLE •+" <br />*"* <br />***•** AILY <br />X UG/L MONTH GRAB <br />(AS HG) MEASUREMENT <0.2 <0. <br />2 (28) <br />0 <br />2/31 <br />rab <br />71900 1 0 0 PERMIT **•*** •****+ ***+* REPORT REPORT ONCE/ g <br />EFFLUENT GROSS VALUE REQUIREMENT M <br /> 3oDA AvG DAILY <br />x UG/L MONTH GRAB' <br />NAME/TITLE PRINCIPAL EXECUTIVE O FFICER I Certify under penalty of law that this document an d all attachmen ts were prepared under ( TEL EPHO NE DATE <br /> my direction or supervision in accordance with a system designed to assure that qualified <br />Brian A. Watterson, P.G. <br />G <br />l <br />i personnel property gather and evaluate the information submitted. Based on my inquiry of v C 970 870 - 2750 dri 0 <br />eo <br />og <br />st the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL Q cS! <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 i <br />TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. r, <br />UUMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference alt attachments here) <br />INFLUENT SAMPLES MUST BE COLLECTED & ANALYZED MONTHLY AND REPORTED QUARTERLY REGARDLESS OF WHETHER AN EFFLUENT DISCHARGE OCCURS. HYDRAULIC CAPACITY= 0,015 MGD; <br />ORGANIC CAPACITY = 31.2 LEIS BOD-5/DAY. <br />EPA Form 3320.1 (REV 3/99) Previous editions may be used PAGE 1 OF 1 <br />00527/010709-1126 <br />11