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T~ ~. T. rnc. <br />• <br />Water & Environmental Testing Inc 235 West 400 South, American Fork, Utah 84003 (80])763-0660 FaxI801)763-0440 <br />Acute Whole Effluent Toxicity Report <br />Ceriodaphnia <br />DATE: Apri12, 2002 <br />• <br />PERMITTEE NAME: Western Fuels Co. SITE ID: New Horizon Mine OUTFACE NO: 007 <br />TEST (Anima)/Age): Ceriodaphnia <24 hours. SAMPLE (Date/type): 3/26/2002 Gmb. <br />DATE/TIME TEST BEGAN: 3/27/2002 12:50 pm DATE/TIME TEST COMPLETED: 3/29/2002 1:25 pm <br />TEST CONDITIONS <br />Ceriodaphnia dubia neonates were exposed to diluted E8luent as specified by the permit. At the end of the test period <br />Survival was measured to determine if Acute Toxicity was present in the sample. <br />`Animal a"at,Test,Start <br />Number of Organisms/Dilution Volume/Replicates <br />r <br />Food , e ~ ~ [ ., ~~~~ <br />Aeration <br />r t ,,.,: <br />Dissolyed:0ygen„ _„ <br />Water Replacement <br />. ... -. <br />Temperatdre <br />Photo Period <br />Dilution Wate~r~ ~~ <br />5 organisms/IS mL4 replicates <br />SUMMARY <br />Results: Pass Fail <br />Therc was NO significant effect on survival. <br />I <br />Enclosed arc data sheets and statistical reports. <br />Sincerely, <br />~~~~ <br />Rawlings <br />Water & Environmental Testing, Inc. <br />Enclosure <br />Page 4 of 9 <br />