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1 1 10 April 2002 AGE-NC Project No. 02-0912 Ms. Sharon Benson-Calone 1810 Grand Canal Boulevard- Suite 6 Stockton, California 95207 Subject: Phase II Site Assessment Report Village Properties - Former Arco Station 1301 West Lockeford Street Lodi, California Dear Ms. Lagorio: At your request,Advanced GeoEnvironmental, Inc. (AGE)has prepared the enclosed Phase II Site Assessment Report for the property at 1301 West Lockeford Street, APN 035-330-15, in Lodi, California.The work was performed as part of a due diligence effort to investigate areas of potential environmental concern at the site, identified through a Phase I investigation of the property. The Central Valley Regional Water Quality Control Board requirements for the investigation of underground storage tank(UST) sites was used as guidelines for the investigation. The location of the site and its surroundings are illustrated in Figure 1; major features on the site and boring locations are illustrated in Figure 2. INTRODUCTION/BACKGROUND The purpose of the investigation was to test for the presence or absence of suspected contaminants in the areas of identified potential concern associated with a former Arco service station that operated at the subject property as recently as March 1987;potential concerns included releases of petroleum hydrocarbons related to former dispenser islands and underground storage tanks(USTs) located at the site. The scope of work included advancement of three probe borings to collect.soil and grab ground water samples for laboratory analysis. The subject property is located in the northwest portion of the City of Lodi,San Joaquin County,on the northwest corner of West Lockeford Street and Ham Lane. Land use of the surrounding properties is both residential and commercial.Dates of operation of the Arco service station are not known by AGE;however, four USTs were removed from the site in March 1987 and a"no further action"letter,dated 26 October 1987,was issued by the San Joaquin County Environmental Health Department (EHD). Advanced GeoEnvironmental,Inc.