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PERMITTEE NAMEIADDRESS (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, Enviornmental Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUER 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 />08 07 01 TO 08 09 30 <br /> QUALITY O R LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />fZ2 <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />pH SAMPLE ....+. ...... ...... <br />(12) <br /> MEASUREMENT 8.15 8.2 0 7/92 GRAB <br />00400 1 0 0 PERMIT ...... <br />6.5 <br />9.0 <br />SU <br />TWICE / <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM PER MONTH GRAB <br />SOLIDS, TOTAL SAMPLE "«'«` ••"" •"_'« (19) <br />SUSPENDED MEASUREMENT < 5 10 0 9/92 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 """ ,,,,,' <br />(25) <br /> MEASUREMENT < 0.1 < 0.1 0 9/92 GRAB <br />00545 1 0 0 PERMIT ...... REPORT MUL TWICE/ <br />EFFLUENT GROSS VALUE REQUIREMENT DAILY MAX PER MO GRABt <br />IRON SAMPLE '•""" "*«"`• •" ' <br />(19) <br />TOTAL RECOVERABLE MEASUREMENT 0.416 1.26 0 9/92 GRAB <br />00980 1 0 0 PERMIT •••••• • • 1.0 REPORT MG/L TWICE / <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 />SEE COMMENTS BELOW REQUIREMENT MAX CONTINGENT GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) '..•'. " "" •«`*•• (19) <br />THRU TREATMENT PLANT MEASUREMENT 0.009 0.01 0 117 INSTAN <br />50050 1 0 1 PERMIT 0.15 - REPORT MGD MG/L <br />EFFLUENT GROSS VALUE REQUIREMENT 30 DA AVG DAILY MX WEEKLY INSTAN <br />SOLIDS, TOTAL SAMPLE .,,," <br />DISSOLVED MEASUREMENT `•" 4072 4490 (19) 0 5192 ALCT <br />70295 1 0 0 PERMIT •••• <br />OPTIONAL <br />REPORT <br />EFFLUENT GROSS VALUE REQUIREMENT QTR AVG. DAILY MHa MG/L OTRLY CALCTD <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under TELEPHONE DATE <br /> <br />i <br />A <br />W <br />tt <br />P <br />G <br />B my direction or supervision in accordance with a system designed to assure that qualified <br />an <br />. <br />a <br />erson, <br />. <br />r <br />. personnel property 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 a <br /> gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER MO <br /> true, a <br />ccurate, 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 />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments 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 1.8.1.6. 30 DAY AVERAGE IS HIGHEST MONTHLY AVG. DURING PERIOD REPORTED -SEE I.C.12. <br />EPA Form 3320-1 (Rev. 3/99) Previous editions may be used <br />PAGE 1 OF 2 <br />00195/010702-1120