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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 D TO FOIDEL CREEK <br />000027154 005 A ? 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 />09 04 01 TO 09 06 30 <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />CONDUCTIVITY SAMPLE ****** ****** ****** (11) <br /> MEASUREMENT 4147 4270 0 8/92 grab <br />00094 1 0 PERMIT ****** **'*** ****** ««.**« Req. Mort. Req. Mon:' UMHOICM <br />EFFLUENT GROSS VALUE REQUIREMENT QRTR AVG QRTR,MX. ' QUARTERLY' GRAB <br />pH SAMPLE ++++++ ++++++ ++ ++++ (12) <br /> MEASUREMENT 8.4 8.5 0 6192 rab <br />00400 1 0 PERMIT ****"* *""*** ****** 6.5 ** '**** 9 SU TWICE Per <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM-s MONTH` GRAB <br />SOLIDS, TOTAL SAMPLE ****** ****** ****** (19) <br />SUSPENDED MEASUREMENT 10.4 22 0 5/30 grab <br />00530 1 0 PERMIT '+.+*. +**++. ++++++ ++++++ 35 70 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAYAVG DAILY MAX WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE ****** ****** ****** (19) <br />SUSPENDED MEASUREMENT NA NA NA NA grab <br />00530 O 0 PERMIT *****« ****** ****** ****** Req. Mon. Req: Mon. MG/L <br />SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY' GRAB - <br />SOLIDS, SETTLEABLE SAMPLE ****** ****** ****** (25) <br /> MEASUREMENT < 0.1 0.1 0 5130 grab <br />00545 1 0 PERMIT *****+ .*.+.. ++++++ *+•«.* Req. Mona 0.5 ML/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB' <br />SOLIDS, SETTLEABLE SAMPLE ****** ****** ****** (25) <br /> MEASUREMENT NA NA 0 117 rab <br />00545 O 0 PERMIT ***«** ****** ****** ***"** Req. Mon. Req. Mon. ML/L <br />SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MX WEEKLY GRAB <br />IRON SAMPLE ****** ****** ****** (28) <br />TOTAL RECOVERABLE MEASUREMENT 155 180 2/30 grab <br />00980 1 0 PERMIT "** ** ****** ****** ****** 1000 Req. Man. UG/L TWICE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY' MX PER MO GRAB <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 1 <br />, <br />/??1*Z i'dv •I <br />? <br />Brian A. Watterson, P.E. personnel properly gather and evaluate the information submitted. Based on my inquiry of 4?? 970 870 - 2750 G 6h <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL M <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR ?O 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 />LUIVIIViCIV I J AIVU CArLNIVM I IUIV Ur AIV T vIULA I IUwJ (rcererertue an dudcnmenrs 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.A., PG. 8 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE 1.B.1.D, PG. 11. <br />EPA Form 3320-1 (REV 3199) Previous editions may be used PAGE 1 OF 2 <br />00021/011119-1005