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TABLE 5. COLORADO ACUTE TEST CONDITIONS <br />Pazameter Ceriodaphnia dubia Fathead Minnows <br /> <br />Test Type Static Renewal Static Renewal <br />Temperature 20+/- 1°C 20+/- 1°C <br />Photoperiod 16 hr lightJ8 hr dark 16 hr light/8 hr dark <br />Test Chamber Size 30 ml 600 ml <br />Test Sample Volume 20 ml 300 ml <br />Renewal Period 24 hrs 24 hrs <br />Age of Organisms < 24 hrs 1 to 14 days <br />Number per Chamber 5 10 <br />Replicate Chambers/Conc. 4 4 <br />Feeding Regime/Chamber 0.1 ml Algae/YTC 0.1 ml Brine Shrimp <br />Prior to test Prior to & 48 hrs <br />Test Duration 48 hrs 96 hrs <br />