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Pacific EcoRisk Environmental Consulting&Testing <br /> A Title 22 "Hazardous Waste" Toxicity Evaluation of a Waste Sample <br /> Sample designated "purge tank" <br /> Table of Contents <br /> Page <br /> 1. INTRODUCTION ...............................................................................................I..................... 1 <br /> 2. ACUTE TOXICITY TEST PROCEDURES............................................................................. 1 <br /> 2.1 Receipt and Handling of the Waste Sample ........................................................................ 1 <br /> 2.2 Preparation of the Test Media.............................................................................................. 1 <br /> 2.2.1 pH Adjustment of the Test Solutions............................................................................ 1 <br /> 2.3 Acute Toxicity Testing with Fathead Minnows...................................................................2 <br /> 3. RESULTS ..................................................................................................................................3 <br /> 3.1 Effects of the Waste Sample on Fathead Minnows.............................................................3 <br /> 4. SUMMARY AND CONCLUSIONS ........................................................................................4 <br /> 4.1 QA/QC Summary.................................................................................................................4 <br /> Appendices <br /> Appendix A Chain-of-Custody Record for the Collection and Delivery of the Waste Sample <br /> Appendix B Test Data and Summary of Statistics for Hazardous Waste Toxicity Evaluation of <br /> the Waste Sample <br /> Appendix C Documentation of Test Solution pH Levels and pH Adjustments <br /> 3/19 <br />