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PERMITTEE NAMEIADDRESS (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) (SUER JC) <br />F - FINAL ROUTT <br />MINE 1, POND D TO FOIDEL CREEK <br />000027154 <br />005 A ? Check here if No Discharge <br />E <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: Read instructions before completing form <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />09 07 01 TO 09 09 30 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />IRON SAMPLE *'++++ +++'*" (28) <br />TOTAL (as Fe) MEASUREMENT 80 120 0 9/92 rab <br />01045 1 0 PERMIT '**"* ***'"* "*"** ***'"* 3500 7000 UG/L g <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX QUARTERLY 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 "»»++ "***' ****,* <br /> <br />DISSOLVED <br />MEASUREMENT <br />10 <br />10 (28) <br />0 <br />2/92 <br />grab <br />01306 1 0 PERMIT 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 0.282 0.317 *""* 0 1/7 instan <br />50050 1 0 PERMIT 4.55 Req. Mon. MGD ++++++ + ++ +*.... +++» <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG iNST MAX <br /> WEEKLY INSTAN. <br />SOLIDS, TOTAL SAMPLE """'"* ""'*» ****** (19) <br />DISSOLVED MEASUREMENT 3403 3590 0 3/92 calf <br />70295 1 0 <br /> 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 ** <br /> PERMIT Req. Mon. YES = 1 **"* ** *"`* *' "*" WEEKLY <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 <br /> VISUAL <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 Certify under penalty of law that this document and all attachments were prepared under TELEPHONE <br /> <br />my direction or supervision in accordance with a system designed to assure that qualified _ <br />V N)?? , _s -- DATE <br />Brian A. Watterson, P.E. personnel properly gather and evaluate the information submitted. Based on my inquiry of 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 q /O 2? <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER <br /> <br />true, accurate, and complete. I am aware that there are significant penalties for submitting YEAR MO DAY <br />TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. <br />? 1-1-. -.11111anw mere/ <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 1.6.1.13, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 2 OF 2 <br />00021/011119-1005