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=. W.~. ~. Inc. <br />Acute Whole Effluent Toxicity Chemical Result Report <br />June 25, 1996 <br />CUSTOMER NAME: PHONE NUMBER: <br />Western Fuels-Colorado (New Horiwn Mine) 007 FAX NUMBER: <br />Attn: Tod Lefevre <br />27646 West 5th Street <br />Nucla, Colorado 81424 <br />SAMPLE DESCRIPTION: <br />Chemistries to go with Acute 2 Species Toxicity Test Collected. 6/19/96. Receiving <br />water data was taken from Historical files. <br /> Sample Test Log Acute Acute <br /> Source Performed Number Ceriodaphnia Minnow <br /> 'Efflaent:.: :Total:Hardness, Recon.{EPA 13.0.2) <br />... '::1;184 mg/'{.: <br />. <br />,...:.. 1';T84 mgJC, :.:.:: <br /> Total ardness, Effluent P m <br />g/L <br />1,291 mg/L <br /> . ....... <br />. s <br />: : <br />` <br /> <br /> <br />... <br />::.: <br />Total:Haidness Rccervtn Water PA 130.2 <br /> <br />.:: <br /> <br />: <br />. <br />-1 133 :m <br />. a. <br />~- <br /> Ammonia, FSfluent (EPA 350.2/350.3) 1470 0.81 mg/1. 0.81 mg/L <br /> <br />,:`Animotria~:Receiv~u Water (EPA 350:2/350.:3 ,: .. . <br /> <br />. ..... <br />:; : ; <br /> <br /> <br />. . <br />. <br />0.13'in :::;::: <br />;: 0;13;mp,/L;.:' ;; <br /> Initial Chlorine Residual (EPA 330.5) 1470 <0.05 mglL <0.05 mg/L <br /> <br />::..::::::(...:.::.Final'~orine:Residual. PA:330:5 .. <br />..: X470. ':: ,.. . <br />:::.:' =-..m <br /> <br /> Conductivity, Eflluent (EPA 120.1) <br />. 1470 2,050 umhos/cm 2,050 umhos/cm <br />':'.; , <br />. ; ;':'::::';.':::..:: Alkaltmty~:Eft7uen(. A310~1 .::".";...;.:.:.. <br />........ <br />.. <br />... .. <br />.. " ':14Z0.::::: :264!mg~Ii:.CaCO;'..::!: 264;'m ;CaC03 : <br /> Y <br />~ <br />. <br />.. ) <br />Conductivit Receivin Water YA 120,1 <br />8 <br />' <br />1,939 umhos/cm <br />1,939 umhos/cm <br /> Alkalinity; Receiving Water. (EPA 310:1) <br />: <br />. `352 mg/I:.CaCO~ :..:. 352.:mgIl;:CaCO~ <br /> . <br />Recon Initial pH (EPA 150.1) 7.96 7.45 <br /> ....:: <br />Atier?A Itouis pH: (EPA:150.1)...:...,:: <br />,.. ... <br />8.181 '.~ ::.:. <br />::.': 8.34......:..:. <br /> 100% Initial pH (EPA 150.1) 1470 7.45 7.45 <br /> :. . <br />.100.%'After 24 hours H. PA.150.1 <br /> <br />P..(~ . ). <br />. <br />,. <br />1470 .. ,. <br />.. 8:?3~..:..:...` '. <br />?..:.:...:..8:16.. :: . <br /> . <br />Receiving Water Initial pH (EPA 150.1) ' 7.85 na <br /> :.. Receivin Water After 24 Jxours pH. PA ]50.7 ..:. Na ::: na na <br /> <br />'Historical data. . .... <br />/~ <br />nalyst: Lee Rawlings, CherfSist <br />& Environmental Testing, Inc. <br />