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Advanced GeoEnvironmental Inc . 05 February 2015 AGE Project No. 14-3298 Mr. Farouk Diab c/o NORTHGATE COMMERCIAL 6506 Pacific Avenue Stockton, CA 95207 Subject: Phase II Site Assessment Report RAWLINSON-READE PROPERTY 140 West Harding Way, Stockton, California Dear Mr. Diab: At your request, Advanced GeoEnvironmental, Inc. (AGE) has prepared this Phase 11 Site Assessment Report for the subject property located at 140 West Harding Way, Stockton, California (site). The scope of work included advancement of six (6) soil borings (V-1 through V-6); borings V-1 through V-4 were advanced to ten feet below surface grade (bsg) for collection of soil-vapor samples at five feet and ten feet bsg; V-5 was advanced to seven feet bsg for collection of a soil-vapor sample at five feet bsg,- and sg;and V-6 was advanced to ten feet bsg for collection of a soil-vapor sample at ten feet bsg. A site plan illustrating the location of the site and depicting the soil boring locations is presented in Figure 1. INTRODUCTION The subject property was originally developed in 1932 as a Shell branded gasoline station and remained a Shell station until 1961. From 1961 through 1972, the site was operated as an Enco Service station. In 1973 the site operated as an Exxon branded gasoline station. From 1987 through January 1991, the property was operated as a sandwich shop called The Yellow Submarine. In February 1974, Stockton Fire Department records indicated that four (4) underground storage tanks (USTs) were removed from the site, which consisted of one 4,000-gallon fuel tank, two 3,000-gallon fuel tanks and one 550-gallon waste oil tank. During the tank removals soil was excavated to a depth of 15 feet below surface grade (bsg). Samples collected during the excavation indicated that waste oil range hydrocarbon impact was present at the site. 837 Shaw Road • Stockton, CA 95215 Telephone(209)467-1006 • Fax(209)467-1118