Laserfiche WebLink
Chevron Products Company I <br />Former Chevron Semce Smon #9-5775, 301 West Kettleman Lane, Lodi, Califorma June 5, 2001 <br />TABLE OF CONTENTS <br />• 1.0 INTRODUCTION 1 <br />2.0 SITE BACKGROUND AND CURRENT SITE <br />CONDITIONS 1 <br />• <br />2.1 Previous Investigations 2 <br />22 Quarterly Monitoring Data 4 <br />23 Recent Assessment Activities and Findings 5 <br />2 3 1 Soil Borings and Monitoring Well Installations 5 <br />232 Soil Sampling and Analysis 6 <br />2 3 3 Depth Discrete Groundwater Samples 6 <br />234 Groundwater Monitoring Well Development, <br />Sampling and Analysis 6 <br />2 3 5 Stratigraphic Setting 8 <br />3.0 EXTENT OF PETROLEUM HYDROCARBON <br />IMPACTS 8 <br />3 1 Petroleum Hydrocarbons Adsorbed in Soil 8 <br />32 Estimated Mass of Petroleum Hydrocarbons in Soil 8 <br />33 Petroleum Hydrocarbon Dissolved in Groundwater 9 <br />34 Estimated Mass of Petroleum Hydrocarbons in Groundwater 10 <br />4.0 SITE CONCEPTUAL MODEL 11 <br />41 Sensitive Receptor Survey <br />11 <br />4 1 1 Door -to -Door Survey <br />11 <br />412 Department of Water Resources Survey <br />11 <br />42 Chemical Concentrations vs. Time and Distance <br />11 <br />4 2 1 Chemical Concentrations vs Time <br />11 <br />422 Chemical Concentrations vs Distance <br />11 <br />43 Geologic Cross Section Maps 12 <br />44 Exposure Pathway Model 12 <br />4 4 1 Summary and Conclusions 12 <br />5.0 EVALUATION OF EXISTING REMEDIAL <br />APPROACH 12 <br />5 1 GWE System Operation 12 <br />I (Chevron1957751ParFrpl9-5775PARFRP2 doc <br />