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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 T TO FOIDEL CREEK <br />000027154 002 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 01 01 TO 10 03 31 <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 />CONDUCTIVITY SAMPLE '_"`* +`**** ,„,„ <br /> (11) <br /> MEASUREMENT <br />00094 1 0 PERMIT ,„„' `***** **"**+ Req. Mon. Req. Mon. <br />Mon. UMHO/CM QRTLY <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG QRTR GRAB <br />pH SAMPLE «*`*'* ****'« <br /> MEASUREMENT <br />00400 1 0 PERMIT *"*""" **"•* *««`+' 6.5 *+ **** 9 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY INSITU <br />SOLIDS, TOTAL SAMPLE *"'*` ****** +++*** <br />SUSPENDED MEASUREMENT <br />00530 1 0 PERMIT 35 70 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE *_*"*" ****+* ***___ <br />SUSPENDED MEASUREMENT <br />00530 O 0 PERMIT ****«* """ **«**' '***** Req. Mon.. Req. Mona MG/L <br />SEE COMMENTS BELOW REQUIREMENT - 30 DAY AVG DAILY MAX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE *"'*« *'*"' ***+*` <br /> MEASUREMENT <br />00545 1 0 PERMIT' *....* `..*.. .'.**. .**.... Req. Mon. 0.5 MUL <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE """ "**** ++`*** <br /> MEASUREMENT NA <br />00545 0 0 PERMIT ++•*•• *••*•• •••••* *, no ntC <br />^y.. rho- nnC^ <br />y. , MUL <br />SEE COMMENTS BELOW REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />IRON SAMPLE *«*"` "'**' *""* <br />TOTAL (as Fe) MEASUREMENT <br />01045 1 0 PERMIT '*'*"* `*"'" +*'**' •*"•• 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX <br />WEEKLY <br />GRAB. <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under NE DATE <br /> my direction or supervision in accordance with a system designed to assure that qualified ?.a -= - <br />/ N/ . <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of ,, <br />v - 2750 <br />= ?Q <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 CODE <br />MBER 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 />COMMENTS AND EXPLANATION OF ANY V IOLA I IONS (Hererehce 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.B. 1.D, PG. 11. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2 <br />00021/011119-1005