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FILE NO. 20-3978-01.WR6 KLEINFELDER <br /> FEBRUARY 24, 1997 <br /> TABLE OF CONTENTS <br /> 1 EXECUTIVE SUMMARY...........................................................................................1 <br /> 2 SITE SETTING..........................................................................................................3 <br /> 2.1 SITE LOCATION.........................................................................................................................................3 <br /> 2.2 CURRENT SITE USE AND VICINITY CHARACTERISTICS..............................................................3 <br /> 2.3 GEOLOGY AND HYDROGEOLOGY.............................................................:........................................3 <br /> 3 BACKGROUND ........................................................................................................6 <br /> 3.1 PROCESS DESCRIPTION OF FORMER OPERATIONS.......................................................................6 <br /> 3.2 BACKGROUND ON THIS AREA OF CONCERN...................................................................................8 <br /> 4 ACTIVITIES CONDUCTED.......................................................................................9 <br /> 4.1 PRE-FIELD ACTIVITIES...........................................................................................................................9 <br /> 4.2 FIELD ACTIVITIES....................................................................................................................................9 <br /> 4.3 LABORATORY ANALYSIS.....................................................................................................................10 <br /> 5 RESULTS................................................................................................................11 <br /> 5.1 RESULTS OF CHEMICAL ANALYSIS(SOIL).....................................................................................11 <br /> 5.1.1 Metals Analysis....................................................................................................................................11 <br /> 5.1.2 Hydrocarbons......................................................................................................................................11 <br /> 6 CONCLUSIONS AND RECOMMENDATIONS.......................................................12 <br /> 6.1 GENERAL CONCLUSIONS AND RECOMMENDATIONS................................................................12 <br /> 6.2 SOIL ASSESSMENT..................................................................................................................................12 <br /> 6.2.1 Ranges of Concentrations Detected...................................................................................................12 <br /> 6.2.2 Metals Concentrations in Soils...........................................................................................................13 <br /> 6.2.3 Hydrocarbon Concentrations in Soil.................................................................................................14 <br /> 6.2.3.1 PRGs Versus Detected Compounds...........................................................................................14 <br /> 6.2.4 Recommendations ...............................................................................................................................15 <br /> 7 LIMITATIONS .........................................................................................................16 <br /> 20-3978-OI.WR61207RE074.doc Page ii of iii 01997, Kleinjelder, Inc. <br />