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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) (SUER JC) <br />F - FINAL ROUTT <br />MINE 1, POND F TO FOIDEL CREEK <br />000027154 007 A Fx 1 Check here if No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read instructions before completing form <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />10 04 01 TO 10 06 30 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />L2?2 <br />NO. <br />OF <br />TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />IRON <br />TOTAL (as Fe) SAMPLE <br />MEASUREMENT *****` *'*... ***'.. <br />93.3 <br />130 (28) <br />0 <br />3/91 <br />Grab <br />01045 1 0 PERMIT "*`** .."'* "'*** *"'** 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT <br />30DA AVG <br />DAILY MX <br />QUARTERLY <br />GRAB. <br />IRON <br />TOTAL (as Fe) SAMPLE <br />MEASUREMENT "+"` *++++` ****** <br />NA <br />NA (28) <br />NA <br />NA <br />NA <br />01045 0 0 PERMIT ..*..* ...,., ,..... ...... <br />Req."Mon. <br />Req. Mon. <br />UG/L <br />SEE COMMENTS REQUIREMENT 30DA AVG DAILY MX QUARTERLY -GRAB <br />OIL AND GREASE SAMPLE ***`** +'**" ****`+ ** **** (19) <br /> MEASUREMENT <br />03582 1 0 PERMIT * *+' +'**** ""'* *'* 10 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX. CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) *'**** ** *'** ****" <br />THRU TREATMENT PLANT MEASUREMENT **** <br />50050 1 0 PERMIT 4.55 Req. Mon. MGD <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG INST MAX CONTIN. RCORDR <br />SOLIDS, TOTAL SAMPLE ""'* *****+ ****+` (19) <br />DISSOLVED MEASUREMENT 1710 1780 0 2/91 CaIC <br />70295 1 0 PERMIT **`*'* * "***+ ++ Req. mon. Req. Mon. MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG QRTR MX QUARTERLY CALC <br />OIL AND GREASE VISUAL SAMPLE **"`* (9P) *"*** +' +*+* .***** <br /> MEASUREMENT 0 0 12/91 visual <br />84066 1 0 PERMIT Req. Mon. YES= 1 + + ` * **+* <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 QUARTERLY VISUAL <br /> <br /> <br />NAMEITITLE 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 n? <br />Brian A. Watterson, P.E. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 <br />(a <br />G-7 1 <br />2 <br />71 <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 /> true, accurate, and complete. 1 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 />li Iv11VIC IN I J MIM" --j- I IVIV - - 1 V IV . 1-- 11 IGIGIGI- all Gaul If 1ICI IIJ flC/Cj <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 I.B.1.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used <br />PAGE 2 OF 2 <br />00021/011119-1005