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� A) <br /> • 23 April 2002 <br /> AGE-NC Project No 95-0142. <br /> Page 5 of 16 <br /> source of the release favors capturing the mayor portion of the dissolved hydrocarbons on the site <br /> A ground water extraction system in the source area,along the down-gradient portion of significantly <br /> impacted ground water, should effectively address the plume of Impacted ground water AGE <br /> recommended preparation of a remedial action work plan for the Installation of additional ground <br /> water extraction wells around the former UST area in order to Increase 1)the efficiency-of-operation <br /> of a ground water extraction treatment system and 2)the effectiveness of the ground water extraction <br /> systems ability to address the dissolved hydrocarbons <br /> Ground water extraction should be conducted in conjunction with soil vapor extraction to maximize <br /> the thickness of the vadose zone for more effective soil vapor extraction <br /> 3.0. SCOPE OF WORK <br /> The scope of the work covered by this final remediation plan Includes 1)advancement of four pilot <br /> soil borings to install ground water extraction wells, 2) installation, operation and monitoring of a <br /> ground water extraction and treatment system(carbon adsorption) and soil vapor extraction system <br /> (catalytic oxidation),and 3)ground water monitoring This remediation plan will entail the following <br /> specific tasks to complete the scope of work <br /> • Permitting, planning and pre-field work activities, <br /> • Installation of remediation wells, <br /> • Installation of underground remediation piping and systems, <br /> • Initiation of the soil vapor extraction system/ground water extraction start-up period, <br /> • Monitoring and maintenance, <br /> • Performance and preparation of progress/confirmation sampling and reporting <br /> The details of each of these tasks are discussed below <br /> 3 1 PERMITTING, PLANNING AND PRE-FIELD WORK ACTIVITIES <br /> Applicable and necessary drilling,air-discharge and building permits will be obtained from the EHD, <br /> San Joaquin Valley Air Pollution Control District (SJVAPCD) and City of Stockton <br /> Building/Municipal Utilities Departments prior to initiation of the remediation project As required <br /> by EHD permitting,a health and safety plan will be prepared in accordance with Occupational Safety <br /> and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for <br /> • Advanced GeoEnvironmentai,Inc <br />