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� • s Emil's Liquor & Sport ' 1405 California Street, Escalon, California Phase II Report of Findings ' 1.0 Site Location ' Emil's Liquor s Store and Service Station is located on the southeast corner of Main and California streets in the incorporated city of Escalon, California. The parcel is identified by the San Joaquin County Assessor's Parcel Map as parcel number 227-070-31 and has a physical address of 1405 California Street (Figure 1). 2.0 Site Background ' Emil's Liquor had previously undergone a a Phase I Environmental Audit as a condition of sale. The lending agency had requested a Phase II Environmental Audit prior to funding an ' escrow for this sale transaction. The Phase I Historical Environmental Audit has identified the site's previous historical usage as a service station, garage and liquor store (Figure 2). Located on the site are three (3) under ground fuel storage tanks, two (2) fuel islands (one functional, one removed) and a waste oil tank. Because of this activity four (4) soil borings had been arranged for to evaluate the subsurface for possible petroleum hydrocarbon contamination as a direct result of the historical and current usage (Figure 2). ' On May 24, 1993 WHF Environmental, in conjunction with Pierson Drilling of Modesto, conducted an on site investigation of the sub surface of this parcel of property. This report has been developed to explain the findings of these activities. 3.0 Site Inspection Under permit issued by San Joaquin County Public Health (Environmental Division) four (4) soil borings to a depth of twenty-five feet (25') were completed employing the use of a mobile B-61 truck mounted drilling rig using a hollow stem flight auger. All downhole drilling and ' sampling equipment was steam cleaned prior to use on this project. A California Split Spoon sampler was used for the collection of samples. The sampler was washed with TSP (Tri Sodium Phosphate) and water prior to each sampling event. ' Each boring was carefully monitored and logged by the on-site geologist using the uniform soils classification (Appendix A). ' Soil samples collected, taken at five foot (5') intervals beginning at a depth of fifteen feet (15'), were sealed, labeled and logrd on a chain of custody. The samples were placed in an ice chest with Ice and Blue Ice to await transportation to the state certified laboratory Geo Monitor, Inc., of Hesperia, California for analysis.