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Phase II Site Assessment Work Plan RO-TILE, LLC. 1625 South Stockton Street, Lodi, California 1.0. INTRODUCTION At the request of Coronado Stone,Advanced GeoEnvironmental, Inc. (AGE) has prepared the this Phase H Site Assessment Work Plan for the property at 1625 South Stockton Street, Lodi, California (the site). The location of the site is illustrated on Figure 1. A plan of the site is illustrated on Figure 2. This work plan is prepared as required by the San Joaquin County Public Health Services - Environmental Health Division(PHS-EHD) for the procurement of a soil boring permit. The work is being performed as part of a due diligence for a property transfer. The work plan is prepared in accordance with Appendix A to Tri-Regional Recommendations -Reporting, dated 30 August 1991, prepared by the Central Valley Regional Water Quality Control Board (Appendix A -Reports) for the investigation of underground storage tank(UST) sites. 2.0. BACKGROUND The site is located at 1625 South Stockton Street, at the southwest corner of South Stockton Street and Maxwell Street in the city of Lodi, San Joaquin County, California. The site is located in a light commercial/industrial area of South Lodi (Figure 1). The property is comprised of a single parcel and is currently occupied by Coronado Stone. (Figure 2). 2.1. UNDERGROUND STORAGE TANK REMOVAL I�� 9 286 On 03 September one 1,000-gallon diesel UST and one 1,000-gallon toluene UST were removed from the site by Oil Equipment Service under permit and inspection of San Joaquin County PHS-EHD. One soil sample was collected from beneath the east and west ends of each former UST location at approximately 8.5 feet below surface grade (bsg). One soil sample was collected from the stockpiled soil. Petroleum hydrocarbon odor and staining were not observed in the excavation. Soil samples collected from beneath the diesel UST and from the stockpile were analyzed for total petroleum hydrocarbons quantified as diesel (TPH-d),benzene, toluene, ethylbenzene, and xylene (BTEX). The soil samples collected from beneath the toluene UST were analyzed for BTEX compounds. TPH-d and BTEX compounds were not detected above laboratory reporting limits in the soil sample analysis. The analytical soil results can be found in Table 1. The PHS-EHD granted the site closure in November of 1992, indicating that no further action was necessary and no further investigation was required. Advanced GeoEnvironmental,Inc.