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DocuSign Envelope ID:6FE5F752-9229-4969-B8B6-9154B88CD3C4 <br /> Client: Colowyo CO-0045161 SCG Project No.:420469.B <br /> Site: 010A <br /> Abstract of Results <br /> Test Concentrations: Control 0% , 20%, 40%, 60%, 80%, 100% <br /> 10 for Ceriodaphnia dubia <br /> Number of Organism s/Coneentration: 40 for fathead minnow <br /> 10 for Ceriodaphnia dubia <br /> Replicates at each Concentration: 4 for fathead minnow <br /> —Ceriodaphnia dubia Fathead minnow <br /> Test vessel size 30ml 500ml <br /> Exposure volume l5ml 250ml <br /> Pass/Fail Status FAIL PASS* <br /> Temperature Range (°C) 24.1 —25.0 24.1 —25.9 <br /> Dissolved Oxygen Range (mg/L) 6.6 — 8.3 2.3 8.3 <br /> pH Range 8.0 - 8.4 7.5 - 8.2 <br /> *Pass witli single-endpoint failure <br /> CONTROL <br /> (CeriolFHM) 100% <br /> Hardness (mg/L as CaCO3) 91/89 936/879/634 <br /> Alkalinity (mg/L as CaCO3) 58/58 952/1121/801 <br /> Total residual chlorine (mg/L) <0.01 <0.01 <br /> Total ammonia(mg/L as NH3) <0.03 1.02/1.43/199 <br /> SeaCrest Group 4 <br />