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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 />0 <br />000027154 006 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 2483 2820 0 3/92 GRAB <br />00094 1 0 PERMIT `***** ****** ****** ****"* Req. Mon. Req Mon. UMHO/CM ORTLY <br />EFFLUENT GROSS VALUE REQUIREMENT ORTR AVG QRTR MX GRAB <br />pH SAMPLE (12) <br /> MEASUREMENT 8.8 8.8 0 1/30 INSITU <br />00400 1 0 PERMIT "***** **** ***'** 6.5 "" + ** 9 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY INSITU <br />SOLIDS, TOTAL SAMPLE ****** ****** ****** (19) <br />SUSPENDED MEASUREMENT < 5 <5 0 1130 GRAB <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 ****** ****** ****** (19) <br />SUSPENDED MEASUREMENT NA NA NA NA NA <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 ****** ****** ****** (25) <br /> MEASUREMENT < 0,1 < 0,1 0 1/30 GRAB <br />00545 1 0 PERMIT .* ** **"**" *'«"** «****° Req. Mon. 0.5 ML/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />SOLIDS, SETTLEABLE SAMPLE ****** ****** ****** (25) <br /> MEASUREMENT NA NA NA NA NA <br />00545 O 0 PERMIT *** ** * **** ****** *•**** Req. Mon. Req. Mona MUL <br />SEE COMMENTS BELOW REQUIREMENT 30 DA AVG DAILY MX WEEKLY GRAB <br />IRON SAMPLE ****** ****** ****** (28) <br />TOTAL (as Fe) MEASUREMENT 160 160 0 1/30 GRAB <br />01045 1 0 PERMIT *'*'** ****** ****** ****** 3500 7000 UG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX WEEKLY 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 ?/4/. <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of ? 970 870 - 2750 , <br />Geologist the <br />erson or <br />ersons who mana <br />e the s <br />stem <br />or those <br />ersons directl <br />res <br />o <br />sible f SIGNATURE OF PRINCIPAL <br /> p <br />p <br />g <br />y <br />, <br />p <br />y <br />p <br />n <br />or <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 />UUMMMM I O /irvv cnrLHrvH I IUIV Ur filV r V IULH 1 IUINO (MVIVIVIR.;V dit d(IdUITTIerlr5 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 I.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