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PERMITTEE NAME/ADDRESS (includes Facility Name/Location if Different) <br />NAME TWENTYMILE COAL COMPANY <br />ADDRESS MINES 1 & 2 SOUTH, & ECKMAN PK <br />29515 RCR #27 <br />FACILITY LOCATION OAK CREEK, CO 80467 <br />ATTN: Jerry Nettleton, Env. Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUBRJC) <br />F - FINAL ROUTT <br />DOMESTIC WASTE TO EMERALD SPGS <br />000042161 002 A =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 />10 04 01 TO 10 06 30 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />?S? <br /> NO. OF TYPE <br /> AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS <br />SULFATE SAMPLE "««"** *****' _*__** ***__* (19) <br />(AS S) MEASUREMENT 540 1 3/91 grab <br />00154 1 0 0 PERMIT '**'*_ ****'_ _*_'•• "*'**' 250 •_*"' ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG . MG/L MONTH GRAB <br />BOD, 5-DAY SAMPLE (26) __. (19) <br />(20 DEG. C) MEASUREMENT 0.2 0.2 30 30 0 3/91 rab <br />00310 1 0 0 PERMIT 3.8 5.6 '** 30 45 ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG MX 7DA AVG LBS/DY 30DA AVG MX 7D AV MG/L MONTH GRAB , <br />pH SAMPLE _____• ••«••_ •"•,•• (12) <br /> MEASUREMENT 8.0 8.7 1 1/7 grab <br />00400 1 0 0 PERMIT 6.5 8.5 SU <br />EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM WEEKLY GRAB <br />SOLIDS, TOTAL SAMPLE ""*"*" *""* ****** (19) <br />SUSPENDED MEASUREMENT 60 60 0 3/91 grab <br />00530 1 0 0 PERMIT "'" '*** "««"* ****" 75 110 ONCE/ <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX MG/L MONTH GRAB <br />NITRITE PLUS NITRATE SAMPLE _`_"` <br />(19) <br />TOTAL 1 DIET. (AS N) MEASUREMENT 1.99 0 3/91 grab <br />00630 1 0 0 PERMIT 10 ONCE/ , <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG MG/L MONTH GRAB <br />CHLORIDE SAMPLE <br />(19) <br />(AS CL) MEASUREMENT 20 0 3/91 grab <br />00940 1 0 0 PERMIT ** **" **"** '"**** 250 *** ONCE/ <br /> REQUIREMENT 30DA AVG MG/L MONTH GRAB <br />FLOW, IN CONDUIT OR SAMPLE (03) <br />THRU TREATMENT PLANT MEASUREMENT 0.0001 0.0002 0 daily instan <br />50050 E 0 0 PERMIT 0.015 REPORT *"**** * ` ** ****** <br />EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX MGD DAILY INSTAN -` <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under TELEPHONE <br /> my direction or supervision in accordance with a system designed to assure that qualified <br />Brian A. Watterson, P.G. personnel property gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 I <br />Geologist the person or persons who manage the system <br />or those persons directl <br />responsible for SIGNATURE OF PRINCIPAL <br /> , <br />y <br /> <br />gathering the information, the information submitted is, to the best of my knowledge and belief, <br />OFFICER OR AUTHORIZED AGENT <br />AREA CODE NUMBER YEAF <br />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 />COMMENTS AND 1=XNLANA T ION OF ANY VIOLA 1 IONS (Reference all attachments here) <br />30 DAVG IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE GRAB SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE I.B.1.(D). <br />EPA Form 3320-1 (REV 3/99) Previous editions may be used <br />PAGE 1 OF 2 <br />00507/010709-1126