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.� <br /> wlig <br /> i ' <br /> r <br /> Marding Lawson Associates <br /> r TABLE OF CONTENTS <br /> i <br /> ?" LIST OF ILLUSTRATIONS. . . . . . . . . . <br /> I-: iv <br /> LIST OF TABLES. . . . . . . . . . . . . . . . <br /> iv <br /> I INTRODUCTION. . <br /> IIBACKGROUND. . . . . . . . . . . . • . . . 2 <br /> A. Site History. . . . . . . . . . . . . <br /> 1. Location. . . . 2 <br /> 2• Tank Testing. ♦ • <br /> 3. Potential Off-SiteSources. . . . . . . . . . . . . . 2 <br /> i._ 4. Off-Site wells. . . <br /> 3 <br /> � B. Preliminary Investigations. . . . . . . . . . . . . . . . . . . <br /> 4 <br /> FIELD OPERkTIONS. . <br /> . . . 7 <br /> A. SOLI-Gas Survey. . <br /> B. Soil Borings. . . . . . . . . . . . . . . . . . . , � ' : . . . . . . = <br /> C. Monitoring well Installation. . _ .7 <br /> D. Monitoring Well Development 'and Sampling. . • g 7 <br /> IV SURFACE AND SUBSURFACE CONDITIONS . . . . . . . . . . <br /> . . <br /> 10 <br /> A. Surface Conditions. . ; <br /> B. Subsurface Conditions. . • • . . . . . • . Z0 <br /> Site 1. e Stratigraphy . . 10. i. <br /> y 30 <br /> 2- Site. Hydrogeology. . . . . : . . • . . . . . � t <br /> . . . . 10 i <br /> �. <br /> V CHEMICAL ANALYSES. . <br /> • • <br /> 12 <br /> VI RESULTS AND DISCUSSION., . . . . . . . . . . . . . . . . # <br /> 13 <br /> A. Lateral Distribution of Hydrocarbons. . . . . <br /> 1. Soil Gas. 13 <br /> P _ _ b•.I _._. ....__. ___._.. _._...._ .._. __4.�.. • • •_� <br /> • • • • • • • . <br /> . .....Soils .. .. . . <br /> 3.. <br /> s Ground Water., <br /> • <br /> . . . . . . . <br /> 13 <br /> x .-. B. Site Remediation. . . . . . . . • � • 14 <br /> 11 clean-Up Levels. , 16 <br /> 1 16 <br /> 2. Feasibility. Study. . . . . . .. . . . . . <br /> . . 18 <br /> VII RECOMMENDATIONS <br /> - . . . . . . . . . . . . 21 <br /> A. Ground Water. . <br /> "n B. Soils. . � . . . . . 21 <br /> • . . . . . 22 <br /> ..� W, VIII ILLUSTRATIONS. . <br /> *� J . . . . . . . . . . . . . . . . . . . . . . 23 ; <br /> 3333 i <br /> llam�Mop 0 M1 <br />