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~G~ <br />Table 1 -Colorado Acute Test Conditions <br />Parameter <br />Test Type <br />Temperature <br />Photoperiod <br />Test Chamber Size <br />Test Sample Volume <br />Renewal Period <br />Age of Organisms <br />Number per Chamber <br />Chambers per Concentration <br />Feeding Regime per Chamber <br />Test Duration <br />Fathead Minnow <br />Static Renewal <br />20 +/- 1 ° C <br />16 hr light/8 hr dark <br />600 mL <br />300 mL <br />24 hrs <br />12 days <br />10 <br />4 <br />0.15 mL Brine Shrimp @ 48 hours <br />96 hrs <br />Table 2 -Methods and Equipment <br />Characteristic <br />Alkalinity <br />Ammonia <br />Chlorine, Total Residual <br />Conductivity <br />Dissolved Oxygen <br />Hardness <br />pH <br />Temperature <br />Analytical Balance <br />References <br />Method/Equipment <br />Titrimetric <br />CHEMetrics Colorimetery K-1510 <br />CHEMetrics Colorimetery K-2504 <br />Oakton CON 500 Meter <br />Orion Model 850 DO Meter ' <br />Titrimetric <br />VWR Model SB70P pH Meter <br />NISTS calibrated thermometer <br />Mettler Toledo Model A6135-S <br />EPA Method <br />EPA 310.1 <br />EPA 120.1 <br />EPA 360.1 <br />EPA 310.1 & 130.2 <br />EPA 150.1 <br />Methods for Chemical Anatysis of Wafer and Waste, Environmental Protection Agency, Environmental <br />Monitoring Systems Laboratory-Cincinnati (EMSL-CI), EPA-600/4-79-020, Revised March 1983. <br />Colorado Department of Health 1998 Guidelines for Conducting Whole Eti9uenf Toxicity Tests Water Quality <br />Control Division, Denver, Colorado 80246-1530. <br />US EPA. October 2002. Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters fo <br />Freshwater and Marine Organisms. Fifth Edition. U.S. Environmental Protection Agency, Office of Water, <br />Washington, D.C. EPA-821-R-02-012. <br />s National Institute of Standards and Technology <br />