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Phase I Environmental Site Assessment 2329 East Vine Street, Stockton, CA- Page 13 GPI Environmental Management _ 6.0 CONCLUSIONS AND RECOMMENDATIONS Based on the information obtained during our investigation, GPI affirms that the subject property, is not presently used, nor has been used in the past since at least 1930 to generate, use, store and/or dispose of regulated /5 quantities of petroleum fuel products, agricultural chemicals and/or other regulated hazardous materials and C wastes. It is not anticipated that future operations at the subject property will involve the generation, use, storage and/or disposal of regulated quantities of petroleum fuel products, agricultural chemicals and/or other regulated hazardous materials and wastes. Historical documents indicate that the subject and adjacent properties have been occupied by single-family residential structures and have not been utilized for agricultural purposes since at least 1930. Based on the regulatory file review and historical information sources, adjacent and nearby properties in all directions within one-eighth mile radius of the subject property have not been historically utilized for activities /� ) associated with the generation, storage, handling, use or disposal of regulated quantities of petroleum and/or other hazardous materials or wastes. Based on EDR's regulatory database search, there are nine current and/or formerly Leaking Underground Storage Tank site was identified within a one-half mile radius of the subject property on the State Water Resources Control Board's Leaking Underground Storage Tank Incident Report database list. Two of the nine sites are located within a one-quarter mile radius of the subject property.The nearest identified sites included Gill Roofing(1219 N Filbert Street, 1/8-1/4 mi)and Ragu Foods (1147 D Street, 1/8-1/4 mi). Both sites have been issued a"No Further Action"(NFA) letter by the San Joaquin County Environmental Health Department and the Central Valley Regional Water Quality Control Board pursuant to the conditions of Section 25296.10 of the California Health and Safety Code, which applies only to releases of petroleum hydrocarbons associated with Underground Storage Tank systems. Based on regulatory information, previous subsurface soil/groundwater contamination at these sites was restricted to the property boundaries. Based on available regulatory agency information, it does not appear that currently and/or in the past that these sites listed above pose an environmental threat and/or liability to the subject property based on distance and/or(5,, contamination being restricted to near-surface soils adjacent to the former underground storage tanks. There are no additional former and/or current permitted underground storage tank sites located within a one-half mile radius of the subject property. There are no identified large/small RCRA generators within one-quarter mile of the subject property. No structures are present on the subject property, thus no suspect asbestos-containing building materials and/or lead-based/containing building materials are present. Based on our review of geologic and geo-hazard maps, it appears that no adverse soil and/or geologic conditions exist within the subject property boundaries. The subject property is not mapped within an Alquist-Priolo Earthquake Fault Zone. The subject property has been identified within an area of low amplification shaking and seismic hazard by the California Geological and US Geological Surveys. No indications of existing on-site drain inlets, sumps, injection wells, drywells, pits, clarifiers, or disposal wells were observed at the subject property. Based on our review of the most recent FEMA Flood Insurance Rate Map for the subject property, the subject property is not in a 100-year flood zone hazard area. There is no reconnaissance evidence of underground tanks,filler caps and/or vent pipes observed at the subject and adjacent properties. GPI advises that additional environmental investigation of this property is not warranted at this time. There is no historical or current documented evidence of improper handling, storage, spillage and/or disposal of regulated quantities of petroleum fuel products, agricultural chemicals, and/or other regulated hazardous materials and wastes at the subject and adjacent properties that would materially impact soil/groundwater at the subject " property.