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• TABLE OF CONTENTS <br /> EXECUTIVESUMMARY .........................................................................................................i <br /> 1.0 INTRODUCTION...............................................................................................................................1 <br /> 2.0 SITE BACKGROUND........................................................................................................................1 <br /> 3.0 APPARENT PROBLEM....................................................................................................................2 <br /> 4.0 ENVIRONMENTAL SETTING........................................................................................................2 <br /> 4.1 POTENTIAL EXPOSURE RELATED TO SOIL PATHWAYS....................................................2 <br /> 4.2 POTENTIAL EXPOSURE RELATED TO WATER PATHWAYS ..............................................3 <br /> 4.3 POTENTIAL EXPOSURE RELATED TO AIR PATHWAYS......................................................3 <br /> 5.0 SAMPLING PROCEDURE...............................................................................................................3 <br /> 5.1 LAWN AREA SAMPLES...............................................................................................................3 <br /> 5.2 STRUCTURE DRIPLINE SAMPLES.............................................................................................4 <br /> 5.3 NATURAL GAS FIELD SAMPLES...............................................................................................5 <br /> 5.4 EASTERN FORMER UNDERGROUND STORAGE TANKS SITE SAMPLES.........................5 <br /> 5.5 NORTHERN FORMER UNDERGROUND STORAGE TANKS SITE SAMPLES.....................6 <br /> 5.6 POLYCHLORINATED BIPHENYLS SAMPLES .........................................................................7 <br /> • 5.7 HYDRAULIC ELEVATOR SAMPLE..................................:.........................................................7 <br /> 6.0 LABORATORY ANALYSES............................................................................................................7 <br /> 6.1 LAWN AREA SAMPLES...............................................................................................................7 <br /> 6.2 STRUCTURE DRIPLINE SAMPLES.............................................................................................8 <br /> 6.3 NATURAL GAS FIELD SAMPLES...............................................................................................9 <br /> 6.4 EASTERN FORMER UNDERGROUND STORAGE TANKS SITE SAMPLES.........................9 <br /> 6.5 NORTHERN FORMER UNDERGROUND STORAGE TANKS SITE SAMPLES.....................9 <br /> 6.6 POLYCHLORINATED BIPHENYLS SAMPLES .......................................................................10 <br /> 6.7 HYDRAULIC ELEVATOR SAMPLE..........................................................................................10 <br /> 7.0 LABORATORY ANALYTICAL RESULTS..................................................................................10 <br /> 7.1 LAWN AREA RESULTS..............................................................................................................10 <br /> 7.2 STRUCTURE DRIPLINES ...........................................................................................................14 <br /> 7.3 NATURAL GAS FIELD RESULTS .............................................................................................16 <br /> 7.4 EASTERN FORMER UNDERGROUND STORAGE TANKS SITE RESULTS .......................17 <br /> 7.5 NORTHERN FORMER UNDERGROUND STORAGE TANKS SITE RESULTS....................19 <br /> 7.6 POLYCHLORINATED BIPHENYLS RESULTS........................................................................20 <br /> 7.7 HYDRAULIC ELEVATOR RESULTS........................................................................................20 <br /> 8.0 HUMAN HEALTH SCREENING EVALUATION.......................................................................20 <br /> 8.1 GENERAL COMMENTS..............................................................................................................20 <br /> • 8.2 RISK AND HAZARD CHARACTERIZATION...........................................................................21 <br /> to CONDOR <br />