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Region VIII Guidance for Acute Whole Effluent Reporting <br />PER~iI'ITEE NAb1E: Lodestar Energy Inc. (hicClane Canyon Mine) NPDES NO: <br /> OL*fFALL NO: <br />SOYo ~IORT.4I,ITY TEST: X Pass _ Fail LC50: > 100%. <br />TEST (AnimoL',ige): Ceriodaphnia Q4 hours. SAMPLE (Dare/1 <br />e): 12!9!2 <br /> yp <br />002 Grab <br />DATE?IME TEST BEGAN: 12/102002 1:30 pm DATE/I'IME TEST COMPLETED: 12/122002 1:35 pm <br />Survival Totals <br />DUutions (% Effluent) <br />Recon Rccciviag <br />\Vater Water 6.25% 12.5% 25% SOY° 100°/a <br />Initial 20 na 20 20 20 20 20 <br />2J hrs 20 na 20 20 20 20 20 <br />ass t,r. ~n ~, m ~n ~n ~n ~n <br />hias/biin Values <br />DUudons (% Efllucot) <br />Recon Receiving <br />6.Z5% 12S% 25% <br />Water Water SO% 100% <br />Dissolved O:yen 7.2x6.6 na 7 9x7 0 7 9/7 1 7 S7 1 8 0/7 1 8 517 I <br />Trn+~ratnrrf (1 J00 <br />197 <br />/ <br />nn 70 n/10~ 70 Or19~ Inn lOO ~0n/lq~ ~n nrios <br />Receh•Ing Water used for Diludon7 (Y oCN) i <br />Hardness, mg/L CaC03: Receiving Water ~ Recon Waterer Effluent 272 <br />Initial Total Residual Chlorine, mQ/i. ClZ 100% Effluent: <O.OS <br />Reconstituted pH: initial~§~ ARer 24 hours$,(L <br />Receiviog Water pH: Initial .~ After 24 hours L <br />pH in 100% EtTluent: Initial .24 ARer 24 hours, 7~ <br />Ammonia as N, mg/L: 1005'e Effluent Initial 0.~ Receiving Water ~ Recoo initial ~0_OS <br />Conductivity, umhoslcm: 100% Effluent 2y80 Receiving Water ~ <br />A1kaUnln, mgit CaC03: 100% Effluent L160 Rccei~ing \Vater ~ <br />Laboratory Director: Leo Rawlins Laboratory: Water & Environmental Testiw In c <br />~ <br /> <br />Signature: <br />~2c~ ~~w~J~ Date• /z ~ <br />~~/OZ <br />Comments- <br />Page S of 9 <br />