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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1,2&3 SOUTH, & ECKMAN PK <br />29515 RCR #27 <br />FACILITY LOCATION OAK CREEK, CO 80467 <br />ATTN: Mr. Jerry Nettleton, Env. Manager <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br /> F - FINAL ROUTT <br /> POND DISCHARGE TO FISH CREEK <br />000042161 001 A I= 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 />11 01 01 TO 11 03 31 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />PH SAMPLE .."... .....* ...*.. (12) <br /> MEASUREMENT 8.4 8.4 0 1/31 Grab <br />00400 1 0 0 PERMIT "*`*"' `"'""' ****•• 6.5 " ""' 9.0 SU TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT'- MINIMUM MAXIMUM PER MO GRAB <br />SOLIDS, TOTAL SAMPLE ****** '***** (19) <br />SUSPENDED MEASUREMENT ******* 7 7 0 1/31 Grab <br />00530 1 0 0 PERMIT '"""' """ ***`•" »» » 35 70 MG/L TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB <br />SOLIDS, SETTLEABLE SAMPLE •**'*" *•*"•* ***'** (25) <br /> MEASUREMENT < 0.1 < 0.1 0 1/31 Grab <br />00545 1 0 0 PERMIT REPORT 0.5 MUL TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB <br />IRON SAMPLE `*""' ****** (19) <br />TOTAL RECOVERABLE MEASUREMENT ****** NA NA NA NA NA <br />00980 P 0 0, PERMIT """ ""*" •••"* ""'»" ' REPORT Report UG/L <br />See Comments Below REQUIREMENT ROLL AVG DAILY MAX CONTINGENT"' GRAB <br />IRON SAMPLE '***" ****** (19) <br />TOTAL RECOVERABLE MEASUREMENT ******* 580 580 0 1/31 Grab <br />00980 1 0 0 PERMIT """ •""" **"** "' "' 1047.0 REPORT UG/L TV1 IC <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB <br />OIL AND GREASE SAMPLE "***** •**"** *****` ** **** <br /> MEASUREMENT NA (19) NA NA NA <br />03582 1 0 0 PERMIT '""" "":` *•*•" ""`* ': *'*' 10 **** , <br />See Comments Below REQUIREMENT INST MAX MG/L CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) ****** ** **** ****** <br />THRU TREATMENT PLANT MEASUREMENT 0 <br />0036 0 <br />0144 `*`• * <br /> . . 0 11 <br />7 Instan <br />50050 1 0 0 PERMIT 1.58 REPORT MGD ""•" *' "" """ **** <br />r WEEKLY Instan <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MAX I , I 1 11 1 <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 /> my direction or supervision in accordance with a system designed to assure that qualified , <br />{ <br />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of / 970 870 - 2750 t1 <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 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 />vvm viu?, v rave "i., - -,v vw?r?, ivwv (nc?c?wn.c qu gttaw nuc?nJ lluluj <br />OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE i.B.1.(D). DETECTION LIMITS - SEE I.E.3. SALINITY MONITORING - SEE I.B.2. QUARTERLY SAMPLING INSTRUCTIONS I.C.9; <br />REPORT RESULTS ON MARCH, JUNE, SEPT, & DEC DMRS. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD REPORTED. <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2