Report, Final Phase I Environmental Site Assessment Colton Farm Property

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EXECUTIVE SUMMARY This Phase 1 Environmental Site Assessment (ESA) of the 160 -acre Colton Farm Property (Site) (Figure 1) was performed in accordance with a proposal by ENV America Incorporated (ENV America), dated March 22, 2004, and authorized by Vulcan Materials Company, Wester Division (Client). The purpose this Phase I ESA was to identify, to the. extent feasible, recognized environmental conditions in 'connection with the property, pursuant to the processes prescribed in the American Society for Testing and Materials (ASTM)designation E 1527-00. The Site is currentlyundevelopedfarm property surrounded by a barbed wire fence. A small, corrugated, metal` shed is the only structure present onsite. CalMat Land Company currently owns the property. The immediate Site vicinity consists of industrial and commercial areas. The surrounding area consists of industrial and commercial areas with residential development to the northwest of the intersection of Sycamore Avenue and Slover Avenue. Interstate 10 and a railroad right-of-way lie to the north. Surrounding developments include a VW TP; a concrete and asphalt plant; automobile wrecking facility; a trucking company; a pallet storage company to the south; fuel terminals to the west and northwest of the Site; undeveloped land to the north of the Site; a rail terminal to the northeast of the Site; and, a concrete plant to the east of the Site. A City -owned electrical substation is present along the eastern boundary of the Site. The scope of work conducted as part of this Phase I ESA included a reconnaissance - level visit to the Site for potential evidence of the release(s) of hazardous materials and petroleum products; and to assess the potential for onsite releases of hazardous materials and petroleum products, a records review, interviews, and preparation of this report presenting findings and conclusions. This assessment has revealed no evidence of recognized environmental conditions in connection with the property, except for the following: • Potential migration of impacted groundwater beneath the western portion of the Site from the adjacent CAL-NEV property, located to the west and north of the western portion of the Site. Groundwater from beneath the CAL-NEV property is impacted by petroleum fuel, possibly containing gasoline, diesel, and jet fuel. ENVO-twe v A N E 9 1 C A FINAL PHASEIESA COLTON, CALIFORNIA April 2004 PVR4m Mta REVVMW Wen 200ylR� F"'L P1 W 1 EU"XID"A"W-Mmosy