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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, FISH CREEK CONSTRUCTION CF <br />COG-073311 001 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 M DAY <br />10 03 01 TO 1o 03 31 <br /> QUANTITY OR LOADING QUALI TY OR CONCENTRATI ON FREQUENCY SAMPLE <br />PARAMETER <br />LZ2 <br /> <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 7.89 8 <br />6 0 1/7 ( <br />t <br /> <br />00400 1 0 <br />PERMIT <br />...+++ <br />.+«..+ <br />+++.. . nsl <br />u <br /> 6.5 g SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM <br /> <br />SOLIDS, TOTAL <br />SAMPLE <br />"`*** <br />«*««** <br />+*.*.. MAXIMUM WEEKLY INSITU <br />SUSPENDED MEASUREMENT NA NA NA NA NA <br />00530 0 0 PERM <br />T ""«* «*«**` «**«~ <br /> I *""*, Req. Mon. Req. Mon mg/L <br />SEE COMMENTS BELOW REQUIREMENT <br /> <br />SOLIDS, TOTAL <br />SAMPLE <br />"`«** <br />`*`*** <br />*****• 30DA AVG DAILY MAX WEEKLY GRAB <br />SUSPENDED MEASUREMENT 72.2 190 2 1/7 Grab <br />00530 1 0 PERMIT +••••• ++•••• «++••• ++•+•* 30 45 mg/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB <br />OIL AND GREASE SAMPLE ««««*. "** ***** .? +?*. <br /> MEASUREMENT NA NA NA NA <br />03582 1 0 PERMIT ++++.+ .+..++ .,...+ ,++... ...... 1,0 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT <br /> INST MAX CONTINGENT GRAB. <br />FLOW, IN CONDUIT OR SAMPLE ****** .. ++++ ..+.., <br />THRU TREATMENT PLANT MEASUREMENT 25.85 28.43 0 1/7 Instan <br />50050 1 0 PERMIT Req. Mon. Req. Mon. Mgal/d "«"` `* `**« *****« **** <br />SEE COMMENTS BELOW REQUIREMENT 30DA AVG DAILY MAX <br /> <br />OIL AND GREASE <br />SAMPLE <br />*««"` <br />****«* <br />** **** <br />.++++. Instan. <br />VISUAL MEASUREMENT 0 ..,. <br />84066 1 0 PERMIT REPORT YES = 1 """ **` +*++ <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX NO = 0 <br /> WEEKLY VISUAL <br />SOLIDS, TOTAL SAMPLE «"`*` ***"' ****** <br /> (19) <br />DISSOLVED MEASUREMENT 316.7 340 0 3/31 Grab <br />70295 1 0 PERMIT *"*** ***'*+ +++*** «•+++• Req. mon. Req. Mon. MG/L I <br />EFFLUENT GROSS VALUE REQUIREMENT 30 Day AVG Monthly MX MONTHLY GRAB "' <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, TELEPHONE DATE <br /> <br /> <br />I 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. 970 870 - 2750 I ? <br />COMMENTS AND EXPLANATION OF ANY VIOLA <br />ONS <br />(Reference a attachments ere <br />SIGNATURE OF PRINCIPAL jU (i <br />Y <br /> <br />ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC'O') APPLY ONLY IF <= 10-YR 24 HR PRECIP EVENT CL I OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR MO DAY <br />- A MED. <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 1 OF 1 <br />00059/010320-1132