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Clicuc blountnin Coal Cnmpnny CO • 0038766 SCG Projcet No.: 30,5302 <br />tine: West F.Ik ~1inc 01' <br />The SeaCrest Croup <br />Quality Assurance Check List -Acute R'hole Eftluent 7 oxicity Test <br />C'Iicnt:Mountain Coal Company SeaCrest Sample No.: 305;02 <br />Species 'Tested: Daphnia magna and Fathead minnow <br />titart Date of Test Start Datc of Tcst <br />(Daphnia magna) (Fathead minnow) <br />10-19-2005 10-19-2005 <br />Sample received in Iab properly preserved (ll-6,t I:' Y <br />5amplc delivered on ice or equivalent'? 1' <br />"test initiated within 3G-hours of collection? 1 <br />Test protocol conforms to CDPHE guidelines 1 U~,plu,i~, rn,,,,;m,i :' 1 <br />Test protocol confinms to CDPHF, guidelines (Fathead minnow)°. l <br />Average test temp. -1"C (Duphniu mu~mu)'? 1' <br />Average test temp. *I°C (Fathead minnow)'? 1' <br />DO level >4Amg/I; no super-saturation (Daphnia magna)'? 1' <br />UO level >4.Umg/l; no super-saturation (Fathead minnow)? 1' <br />Mortality in control <I0%, QO°fo for chronic (Duphniu mu};na)? 1' <br />Munality in control <10%, QU% for c7vonic (Fathead minnow)? Y <br />Duphniu me{ena neonates in control <2q-hours old? 1' <br />Fathead minnow larvae in control I to 14 days old? Y <br />Appropriate rclerence tonicity test conducted'? 1' <br />lab. Ref. 'Fox. test results within the confidence limits fi,r the fah:' 1" <br /> <br /> <br />Sigriuture ,, <br />_ <br /> <br />~ <br />~ <br />.- <br />C= '" i , <br />-' L- <br /> <br />Date i <br /> <br />~G'a~ ~''li <br />Positionon: As boratory Manager <br />The SeaCrest Group 14 <br />