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.1 <br />{ TPl <br /> NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br /> PRIOR TO FOIDEL CREEK TRIB ROU" <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,20 SOUTH, & ECKMAN PK COG072758 001 A Check here if No Discharge <br /> 29515 RCR #27 PERMIT NUMBER DISCHARGE NUMBER NOTE: Read instructions before completing this form <br />FACILITY LOCATION OAK CREEK, CO 80467 <br /> MONITORING PERIOD <br />ATTN: Mr. Jerry Nettleton, Environmental Supervisor YEAR MO DAY YEAR MO DAY <br /> QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />AVERAGE <br />MAXIMUM <br />UNITS <br />MINIMUM <br />AVERAGE <br />MAXIMUM <br />UNITS NO. <br />EX OF <br />ANALYSIS TYPE <br />pH SAMPLE <br />MEASUREMENT •«*«.« **..+. <br />8.7 «* ***• <br />8.7 (12) <br />0 <br />117 <br />INSITU <br />00400 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT,- •," ,,• .««.«« 6.5 <br />MINIMUM - 9 <br />MAXIMUM SU <br />WEEKLY - <br />INSITU <br />SOLIDS, TOTAL <br /> <br />SUSPENDED SAMPLE <br /> <br />MEASUREMENT '*'*'* ****** '***`* <br /> <br />6 <br /> <br />6 <br />(19) <br /> <br />0 <br /> <br />1/31 <br /> <br />grab <br />00530 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT .,• 30 <br />30 DAY AVG 45 <br />MAX 7D AV MG/L <br />WEEKLY <br />GRAB <br />OIL AND GREASE SAMPLE <br />MEASUREMENT <br />NA <br />NA <br />NA <br />grab <br />03582 1 0 0 <br />EFFLUENT GROSS VALUE .PERMIT <br />REQUIREMENT REPORT <br />INST MAX «..*.* ..",,.. ., ,... 10 <br />INST MAX, ..., <br />CONTINGENT - <br />GRAB <br />FLOW, IN CONDUIT OR <br />THRU TREATMENT PLANT SAMPLE <br />MEASUREMENT <br />< 0.0005 <br />0.014 (03) ***"' ** `*** `***" <br />**`* <br />0 <br />1/7 <br />NA <br />50050 1 0 0 <br />SEE COMMENTS BELOW PERMIT <br />REQUIREMENT OPTIONAL <br />30DA' AVG" REPORT <br />DAILY MAX MGD <br />WEEKLY <br />GRAB <br />SOLIDS, TOTAL <br />DISSOLVED SAMPLE <br />MEASUREMENT <br />1050 <br />1050 <br />(19) <br />0 <br />1/31 <br /> <br />rab <br />70295 1 0 0 <br />EFFLUENT GROSS VALUE 'PERMIT. <br />REQUIREMENT .OPTIONAL.- <br />30 DAY'AVG REPORT <br />DAILY MX MG/L <br />WEEKLY <br />GRAB <br />OIL AND GREASE <br />VISUAL SAMPLE <br />MEASUREMENT <br />0 (94) *'**** " "`" """'« <br />0 <br />1/7 <br />Visual <br />84066 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REQUIREMENT ««'*" REPORT <br />INST MAX YES= 1 <br />NO = 0 <br />WEEKLY <br />VISUAL <br /> <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under TELEPHONE DATE <br /> <br />Brian A. Watterson, P.G. my direction or supervision in accordance with a system designed to assure that qualified <br />personnel properly gather and evaluate the information submitted. Based on my inquiry of <br />970 870 2750 <br />4 <br />27 <br /> <br />Geologist <br />the person or persons who manage the system, or those persons directly responsible for <br />SIGNATURE OF PRINCIPAL 1 <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 /> <br />TYPE OR PRINTED true, accurate, and complete. I am aware that there are significant penalties for submitting <br />false information, including the possibility of fine and imprisonment for knowing violations. <br />GUMMtIN 16 AIM L) 1:Ar-LHIVM I IU/v Ur MINT V IULA I IUIVJ (nU/CICIIGC Gill dlldulll l fullib I)el C/ <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 <br />PAGE 1 OF 2 <br />00273/010320-1132