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1 <br /> ��� ENVIRONMENTAL <br /> ENGINEERING & CONTRACTING, INC. <br /> 501 Parkcenter Drive, Santa Ana, CA 92705 <br /> Phone (714) 667-2300 Fax (714) 667-2310 <br /> SITE ASSESSMENT, UST REMOVAL,AND REMEDIATION <br />' FINAL REPORT <br /> at <br /> ' UniFirst Laundry Facility <br /> 125 East Flora Street <br /> ' Stockton, California. <br /> ' 1.0 INTRODUCTION <br /> On behalf of UniFirst Corporation (Unifirst), Environmental Engineering and Contracting, Inc <br /> ' (EEC) has prepared this summary report on the assessment, underground storage tank (UST) <br /> removal, and remediation that occurred at the subject site between November 5, 2003 and January <br /> 19, 2004 Hydrocarbon-impacted soil was encountered during construction activities at the site <br /> Subsequently a hydrocarbon release occurred from a previously unidentified UST which was <br /> located in the area of construction activity Assessment and remediation activities were <br /> conducted on a fast-track basis to minimize construction delays at the site <br /> ' This report includes a discussion of all aspects of site assessment, UST removal, and remediation <br /> activities associated with the hydrocarbon discovery Section 2 of this report presents a <br /> background of the site, including site history, physiography, and geologic and hydrogeologic <br /> setting Section 3 describes pre-UST discovery activities, Section 4 describes pre-UST discovery <br /> remediation activities, Section 5 describes UST release response, Section 6 describes UST <br /> removal activities, Section 7 describes surficial soil remediation and confirmation sampling, and <br /> Section 8 contains a project summary and conclusions Work conducted during these <br /> investigations was conducted in accordance with the requirements and guidelines of the San <br /> Joaquin County Environmental Health Department (SJCEHD), the local implementing agency <br /> ' (LIA) which has administrative authority over UST removals and associated subsurface <br /> investigations at the Subject Site per an earlier agreement between UnlFirst and the SJCEHD <br /> 20BACKGROUND <br /> ' The following section provides a summary of the history, physiography, and geologic and <br /> hydrogeologic setting of the subject site <br /> 2 1 Site Description <br /> The subject site is currently an active industrial laundry facility owned and operated by UniFirst <br /> The UniFirst site encompasses the majority of the city block bounded by Poplar Avenue on the <br /> Sod O Groundwater 4 Air 4 wastewater O Stormwater 4 GIs O Engineering 4 Remediation o Construction <br />