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Surface&Subsurface Contamination Report Page 7 700 W.Unne Rd.,Tracy Project No. 662.1 February 11, 2013 The term includes hazardous substances or petroleum products even under conditions in compliance with laws. It is not intended to include de minimis conditions that generally do not present a material risk of harm to public health or the environment and that generally would not be the subject of an enforcement action if brought to the attention of appropriate governmental agencies. Conditions determined to be de minimis are not recognized environmental conditions. 1.2 Scope of Work The following scope of work was undertaken during the completion of this report: Task 1 A site reconnaissance was conducted to visually and physically observe the Property in an effort to obtain information suggesting Recognized Environmental Conditions of potential concern, including: • Observing and recording the physical setting of the Property. • Observing and documenting the Property and land use, including adjoining and surrounding properties. • Interviewing the current Property owner/tenants/maintenance chief, as available, to obtain information on current and past operations that may have led to a release of oil, gasoline, solvents, or hazardous material(s) to the soil or groundwater, and information regarding the presence of underground storage tanks (USTs), hydraulic lifts,asbestos, polychlorinated biphenyls (PCBs), etc. on site. • Observing and documenting conditions that may be indicative of past or present releases and practices, including taking color photographs showing the general property and surrounding areas. • Observing and documenting the presence and/or absence and the condition and apparent regulatory compliance status of prior and current aboveground storage tanks (ASTs), USTs, chemical storage areas, hydraulic lifts, septic fields, drainage systems, oil/water separators, central vehicle fluid (i.e., oil, grease, transmission fluid, etc.) dispensing systems, etc., including photographing the location and condition of these observed areas. • Observing and recording the presence or absence of chemical substances and/or debris, including the number of drums/containers, size, estimated quantity, and a description/identification of the contents where possible. Task 2 A historical review was performed to evaluate previous ownership and land use including: • Local geology/hydrogeology; • Groundwater well inventory; • Groundwater use; 2937 Veneman Ave.,#B240 Geo-Phase Environmental Inc. Phone: (209)669-0293 Modesto,CA 95356 Fax: (209)569-0295