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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, 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 D TO FOIDEL CREEK <br />000027154 005 A ? 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 07 01 TO 10 09 30 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />LE?? <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />IRON SAMPLE "`+" +***"' '***** (28) <br />TOTAL (as Fe) MEASUREMENT 480 480 0 2/92 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 SAMPLE •«••«• •••**• ,+*••+ (28) <br />TOTAL (as Fe) MEASUREMENT NA NA NA NA NA <br />01045 O 0 PERMIT `•** «"**" '**"*' ***"*' Req. Mon. Req. Mon. UG/L <br />SEE COMMENTS REQUIREMENT 30DA AVG DAILY MX QUARTERLY GRAB <br />COPPER, POTENTIALLY SAMPLE '***'* "*•"* `*'*** (28) <br />DISSOLVED MEASUREMENT <10 <10 0 1/92 grab <br />01306 1 0 PERMIT "'+" **+""" *+•`*` ' I Req. Mon. Req. Mon. UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX QUARTERLY GRAB <br />OIL AND GREASE SAMPLE ""*`* +"*** ____** *_ * *_ (19) <br /> MEASUREMENT NA NA NA NA <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 0.110 0.118 0 1/7 instan <br />50050 1 0 PERMIT 4,55 Req. Mon. MGD *+* ** **** <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG INST MAX 1 WEEKLY iNSTAN <br />SOLIDS, TOTAL SAMPLE *****' +*+•'* ****** (19) <br />DISSOLVED MEASUREMENT 4540 4540 0 1/92 calf <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 1/7 Visual <br />84066 1 0 PERMIT Req. Mon. YES= 1 * *` *'•+ * ' "** WEEKLY <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 VISUAL <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 <br />Brian A. Watterson, P.E. personnel properly gather and evaluate the information submitted. Based on my inquiry of V 970 870 - 2750 fj (U <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. 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 />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.13A.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