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Table 1. Colorado Acute Test Conditions. <br /> Ceriodaphnia Fathead Minnow <br /> Test type: Static Renewal Static Renewal <br /> Temperature: 20 +/- 1 'C 20 +/- 1 'C <br /> Photoperiod: 16h light/ 8h dark 16h light/ 8h dark <br /> Test Chamber size: 30 ml 600 ml <br /> Test Sample vol. : 20 ml 250 ml <br /> Renewal Period: 24 hours 24 hours <br /> Age of Organisms: <24 hours 1 to 14 days <br /> Number per .Chamber: 5 5 <br /> Replicate Chambers/Conc. : 4 4 <br /> Feeding Regime/Chamber: None 0. 1 ml brine shrimp <br /> at 0 and 48 hours <br /> Test Duration: 48 hours 96 hours <br /> Dilution Water: Laboratory Water Laboratory Water <br /> -6- <br /> COMMERCIAL TESTING & ENGINEERING CO. <br /> 1 <br /> F-466 ! - <br /> Original Watermarked For Your Protection — - <br />