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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, Enviornemntal Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBR JC) <br />F - FINAL ROUTT <br />POND "E" DISCHARGE TO FISH CR. <br />000036684 001 A r_1 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 /> 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 />CONDUCTIVITY SAMPLE *`**** ****** +«.«.. <br /> (11) <br /> MEASUREMENT 3982 4330 0 12/92 rab <br />00094 1 0 0 PERMIT **""** *"**"* *****" ****** REPORT REPORT UMHO/CM g <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG INST MX OTRLY GRAB <br />pH SAMPLE _+++++ _+++++ ++ _+++ (12) <br /> MEASUREMENT 8.0 8.2 0 1/7 insitu <br />00400 1 0 0 PERMIT +***•_ ++»+++ ++++++ 6.5 ++ +*++ 9.0 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY 1NSITU <br />SOLIDS, TOTAL SAMPLE ****** `*"** *«**** <br /> <br />SUSPENDED <br />MEASUREMENT <br />< 6 <br />9 (19) <br />0 <br />5192 <br />rab <br />00530 1 0 0 PERMIT +++ _+++++ _++_+_ +___++ 35 70 MG/L ONCE/` <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB. <br />SOLIDS <br />SETTLEABLE SAMPLE ""**** `***** ****** <br />, (25) <br /> MEASUREMENT < 0.1 < 0.1 0 5192 rab <br />00545 1 0 0 PERMIT ****** ****** `*"`* "*"*** REPORT REPORT ML/L ONCE/' g <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MAX PER MO GRAB <br />IRON SAMPLE ****"* ****** ****** (19) <br />TOTAL RECOVERABLE MEASUREMENT 237.5 560 0 11/92 rab <br />00980 1 0 0 PERMIT *'*"** **"*** "***** ****** 1000,0 REPORT UG/L ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB <br />OIL AND GREASE SAMPLE ****** ****** ****** ** **** (25) <br /> MEASUREMENT NA NA NA NA <br />003582 1 0 0 PERMIT +*___+ +*__*+ +++_++ +++++_ ++ +..» 10 MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT INST MAX CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) ****** *+ *_** ++_+++ (19) <br />THRU TREATMENT PLANT MEASUREMENT 0.036 0.0432 0 1/7 insta <br /> <br />50050 1 0 1 <br />PERMIT <br />0.15 <br />REPORT <br />MGD <br />****** <br />**** <br />MG/L n <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY INSTAN <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 />Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL <br />] <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 D <br /> <br />true, accurate, and complete. I am aware that there are significant penalties for submitting AY <br />TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. <br />V 1 A ANIJ r-Al-LANA 1 It-)N Uf- ANY VIOLA 1 IUN5 (Kererence all attaChrnents here) <br />TSS LIMIT WILL BE WAIVED FOR 10YR, 24HR PRECIP EVENT -SEE BURDEN OF PROOF REQUIREMENTS UNDER I.A.2, PA. <br />OIL & GREASE - SEE I.B.A.B. 30 DAY AVERAGE IS HIGHEST MONTHLY AVG. DURING PERIOD REPORTED - SEE I.C.12. <br />EPA Form 3320-1 (Rev. 3199) Previous editions may be used PAGE 1 OF 2 <br />00195/010702-1120