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Y <br /> Vapor Extraction Test Report <br /> Former Thrifty Oil Service Station # 172 <br /> September 14, 1995 <br /> TABLE OF CONTENTS <br /> Section <br /> 10 INTRODUCTION 1 <br /> 20 VAPOR EXTRACTION TEST ACTIVITIES <br /> TIES 1 <br /> 30 CHARACTERIZATION ANALYSIS 2 <br /> 40 FINDINGS AND DISCUSSION <br /> 2 <br /> 4.1 Field Observations 2 <br /> 4.2 Soil Permeability to Air 3 <br /> 4.3 Effective Radius-of-Influence 4 <br /> 4.4 Laboratory Analysis of Vapor Sample 5 <br /> 50 CONCLUSIONS AND RECOMMENDATIONS 5 <br /> 60 REFERENCES <br /> 7 <br /> Figjjres <br /> 1 Site Plan <br /> 2 Distance vs Vacuum Response Plot <br /> TTbles <br /> 1 Pressure Drawdown Data from Constant-Flow-Rate Tests <br /> 2 Calculated Soil Parameters from Steady-State Data Analysis <br /> Azy-n <br /> A Glossary of Terms and Abbreviations <br /> B Vapor Extraction Test Protocol <br /> C Official Laboratory Report and Chain of Custody Record <br /> D Darcy Flow Model <br />