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• Winston#FI83 Stockton,CA ' August B,2002 4.0 SITE RECONNAISSANCE t4.1 UNDERGROUND STORAGE TANKS No evidence of current or past use of underground storage tanks(USTs)was observed at the Site during the site visit(i.e., no vent pipes, pavement patch work,pump islands, or fill ports were observed) or reported to ' SECOR through records reviews and interviews. 4.2 ABOVE GROUND STORAGE TANKS ' One approximately 200-gallon steel aboveground storage tank(AST) was observed at the Site. The AST was being used,for storage of new motor oil and was located inside the stcrage area on the east side of the building. There were no obvious leaks in the AST and only a small amount of staining in the concrete floor was observed. 4.3 HAZARDOUS MATERIALS AND STORAGE CONTAINERS 1 4.3.1 Batteries ' Approximately 20 new batteries were being stored in the service garage near the showroom entrance. No used batteries were observed on the Site. ' 4.3.2 Air Compressors One air compressor was noted at the Site. The air compressor is located in the southeast corner of the storage area. There appeared to be a minor amount of ail leaking from the top of the ' compressor. However,there was no evidence of oil dripping on the floor.No significant surface staining or environmental issues were noted in the area of the air compressor. ' 4.3.3 Parts Washers One parts washer was observed at the Site. The parts washer was located in the storage area on the east side of the building. No staining or environmental issues were observed in the area of the parts ' washer. 4.3.4 New Oil Storage ' New oil was stored in the AST in the storage room along the east side of the building. There were containers of oil packaged for retail sale stored on shelves in the back of the storage area. No staining or environmental Issues were noted in the area of the AST or the retail oil containers ' 4.3.5 Used Oil Storage Used oil was stored in three 55-gallon drums within secondary containment units in the south end of the storage area. The used oil is periodically removed for off-site recycling by Asbury ' Environmental Services.Minor staining of the concrete floor around the drums was noted_However, the staining was limited in extent and there were no cracks or drains in the concrete floor that would allow spilled material to reach the subsurface environment. No environmental issues were ' noted in the area of the storage drums. ' 4.3.6 New Antifreeze Storage New antifreezein one-gallon containers was stored on shelves in the storage area along the east side of the building. No bulk antifreeze was stored at the Site. 0024 gy store 183 phase 2 re,�ewedI SECOR International Incorporated 4