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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: Mr Jerry Nettleton, Environmental Supervisor <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR <br />DISCHARGE MONITORING REPORT (DMR) (SUER JC) <br />F - FINAL ROUTT <br />ACUTE WET TESTING FOR 001A <br />COCKi35GY.J fj01 V? Che.k here ,f No Discharge <br />PERMIT NUMBER DISCHARGE NUMBER NOTE: c .r, hr, „c'a s oe ,e r pT' nq th 5'.a m <br />MONITORING PERIOD <br />YEAR MO DAY YEAR MO DAY <br />!id G TC 08 3 31 <br /> QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE <br />PARAMETER <br />AVERAGE <br />MAXIMUM <br />UNITS <br />MINIMUM <br />AVERAGE <br />MAXIMUM <br />UNITS NO. <br />EX OF <br />ANAL YSrS TYPE <br />LC50 STATRE 48HR ACLI <br />CERIODAPHNIA nr.! -lt <br />Arn.>n F.fl :t "..... ••.... <br />> 100 •••••• •••••• <br />0 <br />1/92 <br />GRAB <br />TAM313 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REOUIREMENT """ ""'• •••••• 100.0001 <br />MN VALUE ""'• ~"'• PE r, r <br />OTRLY <br />GRAB <br />LC50 STATRE 96HR ACU <br />MENIDIA snMP(r <br />MEASUREME':i "••" ...... <br />> 100 •••••• •••••• <br />0 <br />1/92 <br />GRAB <br />TAN613 1 0 0 <br />EFFLUENT GROSS VALUE PERMIT <br />REOUIREMENt •"'•' """ ""•' 100.0001 <br />?AN VALUE """ """ PER,-LN` <br />OTRLY <br />GRAB <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Grr •, _: ;:. p- c:rty.of iaw That Ih,S documer? and a., esacnmerts were prepared nde• TELEPHO NE <br /> <br />Brian A. W anerson, P.G. my direction or yuperv,swn in accordance .wtn a system designed to assure that qualified <br />personnel properly gather and evaluate tee inform a;ior submttea Based on my inquiry o' <br />970 870 -2750 <br /> <br />Gr Lf <br /> <br />C, ( <br /> <br />Z? <br />Geologist the person or persons who manage the system, or those persons d,rec;ly responsible for SIGNATURE OF PRINCIPAL <br /> oarnenng the mfnrma•,;r the rl -,rmafr _= h Fneo s c :ne G?sc v my knowt•oRage and br-: e' OFFICER OR AUTHORIZED AGENT ATtFA CLiUF NiUMn( Ht YEAR MG DAY <br />TYPE OR.PR'.TED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br /> <br />REPORT LC50 - STATISTICAL POINT ESTIMATE WHICH IS LTHAL TO 50% OF TEST ORGANISMS. AND ATTACH ACUTE TOXICITY TEST REPORT FORM TO DfAR <br />(REV 3/99) Previous editions may be used PAGE 1