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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) (SUBRJC) <br /> F - FINAL ROUTT <br /> POND DISCHARGE TO FISH CREEK <br />000042161 001 A 0 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 />08 06 01 TO 08 06 30 <br /> QUALITY OR LOADING OUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />?E? <br />NO. <br />OF <br />TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />pH SAMPLE ..««.. +..««. «. ««« (12) <br /> MEASUREMENT 8.4 8.5 0 4/30 GRAB <br />00400 1 0 0 PERMIT ...+" 6.5 9.0 SU TWICE <br />EFFLUENT GROSS VALUE -REQUIREMENT =- =: - - = -= =_- - -_- _ MINIMUM -'- -_ "-- =MAxiMUM - PER MO r` GRAB <br />SOLIDS, TOTAL SAMPLE «.,+" (19) <br />SUSPENDED MEASUREMENT ******* < 6 12 0 4130 GRAB <br />00530 1 0 0 -PERMIT +«« +««... ...*.* 35 70 MG/L TWICE <br />EFFLUENT GROSS VALUE REQUIREMENTS 30 DAY AVG DAILY MAX PER MO GRAB <br />SOLIDS, SETTLEABLE SAMPLE (25) <br /> MEASUREMENT < 0.1 < 0.1 0 4/30 GRAB <br />00545 1 0 0 PERMIT: ,,,. ..+++« ,..., <br />`REPORT <br />0.5 <br />MG/L <br />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 GRAB <br />00980 1 0 0 PERMIT REPORT ML/L TWICE <br />See Comments Below REQUIREMENT ROLL AVG' PER MO GRAB <br />IRON SAMPLE (19) <br />TOTAL RECOVERABLE MEASUREMENT ******* 1435 1510 0 4/30 GRAB <br />00980 1 0 0 PERMIT «..... ...... »..» <br />05 ' <br />REPORT <br />MUL <br />TWICE <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB <br />OIL AND GREASE SAMPLE <br /> MEASUREMENT NA (19) NA NA GRAB <br />03582 1 0 0 <br />"PERMIT <br />10 <br />`+++ <br />See Comments Below REQUIREMENT INST"MAX MG/L CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) +*++*+ ** **" ***,** <br />THRU TREATMENT PLANT MEASUREMENT 0.2963 0.3535 0 1/7 RCORDR <br />50050 1 0 0 PERMIT <br />L 1.58 REPORT MGD +"'"*" *` "+"` **** <br />EFFLUENT GROSS VALUE REOUIREMENT 30DA AVG DAILY MAX -, -; CONTINUOUS - RCORDR <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 1 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 NNN l 970 870 - 2750 o8 f, <br />Geologist the person or persons who manage the system, or those persons directly responsible for SIGNATURE OF PRINCIPAL f <br /> gatheri ng 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 />F 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 />IiUMMtN 1.7 HIVU cnr u?ivn ivrv ?r nw r vlv i wivo Inciclclwc an auau uncnw 1-.1 <br />OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED -SEE I.B.1'.(D). DETECTION LIMITS -SEE I.E.3. SALINITY MONITORING -SEE 1.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 <br />PAGE 1 OF 2