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A.iTeichert & Son,.Inc._ -3-. May-;.13,,2009 <br /> Claim',No. 000051 <br /> EXAMPLE OF CLOSURE REQUEST REPORT . <br /> t <br /> - ..TABLE OF.CONTENTS Y <br /> :.. <br /> 't �' f y ',t'h^ �� d-" ek..T.k', '<7 V P 1 . ..p da_-.aa" r_...w ray-yr�•, -. <br /> 1.0 INTRODUCTION _.h <br /> 2.0 :..SITE BACKGROUND,.: <br /> 2.1 Site Description <br /> 2.2 Regional Geology and Hydrogeology. f '. <br /> 2.3 Local Geology and Hydrogeology <br /> 2.4 Sensitive Receptor Survey <br /> 2.5 Conduit Survey <br /> 3.0 PREVIOUS INVESTIGATIONS <br /> 4.0 ,HYDROCARBON DISTRIBUTION <br /> -:4:1- -Hydrocarbori•-Distribution:in-Soll- __ <br /> 4.2 Hydrocarbon Distribution in Groundwater. <br /> 5.0! `RISK ASSESSMENT <br /> 5.1 Tier 1 Risk.Evaluation <br /> 5.2 Conceptual Site Model <br /> 5.3 Results ofTier 1 Evaluation <br /> 6.0LOW RISK GROUNDWATER CASE CLOSURE <br /> 6.1 Leak.Has Stopped - Ongoing Sources.Removed <br /> 6.2 Site is Adequately Characterized <br /> - {6.3 Dissolved Hydrocarbon Plume is Not Migrating r <br /> :6.4 -Sensitive.Receptors &'Water Wells Not Likely to be Impacted <br /> 6.5' No Significant Risk to Human Health or Environment 4 <br /> 7.0? CONCLUSIONS.AND RECOMMENDATIONS - <br /> FIGURES - <br /> 1. Vicinity Map <br /> 2. Site Plan <br /> 3. Groundwater Elevation Contours <br /> 4. ,'Hydrocarbon Concentration Contours <br /> - -5~- '~-Trend Analysis Graphsand-Plots=`—~° ~-- �--�- <br /> 6. .1Conceptual Site Model Exposure Pathway <br /> TABLES <br /> 1. Groundwater Elevation and Analytical Data <br /> 2. Soil analytical Data <br /> 3. "Monitoring Well Construction Details <br /> 4. ii 95% UCL Calculations } <br /> APPENDICES , ,• <br /> A. Boring and Well Logs <br /> B. Sensitive Receptor Survey <br /> C. Trend Analysis Data <br /> D. Closure Summary Form <br /> California Environmental Protection Agency <br /> i C.fl <br /> o Rveyded paper <br /> .k <br />