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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,20 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 />MINE 1, POND B TO FOIDEL CREEK <br />000027154 003 A 0 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 04 01 TO 10 06 30 <br /> QUANTITY <br /> <br />PAR OR LOADING QUALITY OR CONCENTRATION <br />FREQUENC <br />AMETER Y SAMPLE <br /> <br />CONDUCTIVIT <br />AVERAGE <br />MAXIMUM <br />UNITS <br />MINIMUM <br />AVERAGE <br />MAXIMUM <br />UNITS NO. <br />EX' OF <br />ANALYS TYPE <br /> <br />Y <br />SAMPLE <br />+***** IS <br /> MEASUREMENT 25572 2800 (11) <br /> <br />00094 1 0 <br />PERMIT <br /> <br />** <br /> <br />*"*** 0 8/91 Grab <br />EFFLUENT <br />EFFLUENT GROSS VALUE <br />REQUIREMENT Req. Mona Req. Mon. UMHO/CM ORTLY <br />H <br />*" QRTR AVG QRTR MX `GRAB <br />p SAMPLE *** **'*** ++ <br /> MEASUREMENT 7.55 8 <br />5j (12) 0 1 <br /> <br />00400 1 0 <br />PERMIT <br />6 <br />5 <br />* *+ <br />+*«* <br />+* . /7 Insitu <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT . 9 SU <br /> <br />SOLIDS, TOTAL <br />SAMPLE MINIMUM <br />****** "***+ *++++. MAXIMUM WEEKLY INSITU <br />SUSPENDED MEASUREMENT 28 (19) <br /> <br />00530 1 0 <br />PERMIT <br />****** * ** '***** **` 79 1 <br />- 1/7 Grab <br /> <br /> <br />EFFLUENT GROSS VALUE <br /> <br />REQUIREMENT 35 70 MG/L <br />1 <br /> <br />SOLIDS, TOTAL <br />SAMPLE <br />*`***` "'*** «**..+ 30 DAY AVG DAILY MAX WEEKLY GRAB <br /> <br />SUSPENDED <br />MEASUREMENT <br />NA <br />NA (19) <br /> <br />00530 O 0 <br />PERMIT <br />'***** **`*`* *`**** *•*`** NA NA NA <br /> <br />SEE COMMENTS BELOW <br />REQUIREMENT Req:,Mon. Req. Mon. MG/L <br /> <br />SOLIDS, SETTLEABLE <br />SAMPLE 30 DAY AVG DAILY MAX WEEKLY GRAB-: <br /> MEASUREMENT <br />< 0.1 <br />< 0,1 (25) <br />0 <br />1/7 <br /> <br />00545 1 0 <br />PERMIT <br />**** *`*'** ****`* ****** Grab <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT Req. Mon. 0.5 MUL <br /> <br />SOLIDS, SETTLEABLE <br />SAMPLE <br />*`**** ***`** .+«.+* 30 DA AVG DAILY Mx WEEKLY GRAB' <br /> MEASUREMENT NA NA (25) NA NA NA <br />00545 O 0 <br />SEE COMMENTS BELOW PERMIT <br />REQUIREMENT * ** * "**`* Req. Mon. Req. Mon. MUL <br />I <br /> <br /> <br />IRON <br /> <br />SAMPLE <br /> <br />`***** ****`* *«+.«. 30 DA AVG DAILY MX <br />WEEKLY <br />GRAB. <br />TOTAL (as Fe) MEASUREMENT <br />604 <br />780 (28) <br />0 <br /> <br />01045 1 0 <br />PERMIT <br />*'**•` *"+*+* **•*+« '***++ 1/7 Grab <br /> <br />EFFLUENT GROSS VALUE <br />REQUIREMENT 3500 7000 UG/L <br /> <br />NAMIE TITLE PRINCIPAL EXECUTIVE OFFICER <br />I Certify under penalty of law that this document and all attachments were prepared under 30DA AVG DAILY Mx WEEKLY GRAB <br /> <br /> <br />Brian A <br />Watterson <br />P <br />G <br />my direction or supervision in accordance with a system designed to assure that qualified <br />/?I, / TEL EPHONE DATE <br />. <br />, <br />. . personnel properly gather and evaluate the information submitted. Based on my inquiry of ( 970 870 <br />2 <br /> <br />Geologist <br />the person or persons who manage the system, or those persons directly responsible for <br />SIGNATURE OF PRINCIPAL - 750 <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTH ORIZED AGENT AREA CODE NUMBER YEAR MO D <br /> <br />true, accurate, and complete. I am aware that there are significant penalties for submitting AY <br />TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. <br />COMMENTS AND EXPLANATION OF ANY VIOLAT IONS (Reference all attachments here) <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC'O') APPLY ONLY IF <= 10=YR,24-HR PRECIP EVENT CLAIMED. <br />SEE PART I.A.4., PG. 8 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE 1.6.1,0, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used <br /> PAGE 1 OF 2 <br /> 00021/01111 9-1005