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February 8, 2021 <br />Project No. 21-6289 <br />Page 11 <br />AdvancedGeo <br />An Employee -Owned Compimy <br />of hazardous materials spills. Additionally, sites permitted to manufacture, utilize, <br />generate, store, treat or dispose of hazardous materials and/or hazardous wastes are <br />identified and located. A list and description of databases investigated, in compliance <br />with ASTM E1527-13 and USEPA AAI, is included in EDR Report provided in <br />Appendix C. <br />3.3.1. SUBJECT PROPERTY DATABASE SEARCH <br />Subject property address 2706 Pock Lane, Stockton, California was listed under the <br />facility name George Tomura on the following governmental databases in the EDR <br />Report: <br />• HIST UST: The subject property is listed in the database due the historical <br />presence of a 550 -gallon unleaded fuel UST. The year the tank was installed is <br />unknown. It should be noted that this UST would have been most likely located <br />on the residence to the immediate north west of the subject property. <br />3.3.2. SITE VICINITY DATABASE SEARCH <br />Sites with recognized environmental conditions surrounding the subject property are <br />typically of concern to the subject property when they are located in an up -gradient <br />direction from the property with respect to the ground water flow direction. Typically, <br />groundwater would represent the migration medium for contaminants over significant <br />distances. Sites located in equi-gradient or down -gradient directions from the subject <br />property are less likely to impact the subject property. <br />AGI retained EDR to provide current regulatory database information compiled by a <br />variety of federal and state regulatory agencies. A copy of the complete database is <br />included in Appendix C. The following information was obtained: <br />Regulatory Agency <br />Database <br />Appropriate Minimum <br />Search Distance AMSD <br />Number of Sites within <br />AMSD <br />RCRA - Large Quantity Generators <br />0.25 <br />1 <br />RCRA - Small Quantity Generators <br />0.25 <br />5 <br />RCRA - Very Small Quantity <br />Generators (Formerly Conditionally <br />Exempt Small Quantity Generators) <br />0.25 <br />1 <br />RCRA - Non Generators / No <br />Longer Regulated <br />0.25 <br />16 <br />Leaking Underground Fuel Tank <br />Report (GEOTRACKER) <br />0.5 <br />10 <br />Active UST Facilities <br />0.25 <br />6 <br />Hazardous Substance Storage <br />Container Database <br />0.25 <br />13 <br />Aboveground Petroleum Storage <br />Tank Facilities <br />0.25 <br />4 <br />"Cortese" Hazardous Waste & <br />Substances Sites List <br />0.5 <br />10 <br />School Property Evaluation Program <br />0.25 <br />1 <br />SWEEPS UST Listing <br />0.25 <br />7 <br />EnviroStor Database <br />1 <br />3 <br />CERS HAZ WASTE <br />0.25 <br />8 <br />Proposition 65 Records <br />1 <br />2 <br />Hazardous Waste & Substance Site <br />List <br />0.5 <br />7 <br />Facility Inventory Database <br />0.25 <br />7 <br />California Environmental Reporting <br />System (CERS) Tanks <br />0.25 <br />2 <br />