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C. Facility Drainage: <br />1. Sheet Drainage to Storm Drains <br />Approximately 80% of the yard is drained by sheet runoff. There is a drain <br />in the southeast corner of the site which drains the remaining 20%. run off <br />from the PG&E property flows into storm drains located at the corners of <br />Commerce/Church and Church/Center Streets. The storm drains are part of <br />the city's storm water drainage system, which ultimately flows into the San <br />Joaquin River. <br />D. Adioining Land Uses: <br />The facility is surrounded by land zoned for commercial use. There is a <br />restaurant, a small manufacturing facility to the north (Church Street) of the yard, <br />a Fire Department training center and vacant commercial lot to the west <br />(Commerce Street), Railroad tracks and the Morman Slough (Hazelton) to the <br />south and a PG&E electric substation and an overpass (Center Street) to the east. <br />The nearest residential area is located one and one-half blocks to the east on EI <br />Dorado Street. There are no hospitals or medical care facilities within one mile of <br />the yard. There are at least five schools within one mile of the facility. <br />E. Prevailing Wind Direction: <br />The prevailing wind direction is from the southwest during winter and from the <br />northwest during summer. <br />F. Soill Potential: <br />The oil filled equipment, storage containers, spill prevention techniques currently <br />utilized and the potential for oil spills are described in this section. Small spills <br />occurring during normal operation will be contained and cleaned up in accordance <br />with Section 5H. of this Emergency Plan. <br />1) Aboveground Fuel -Storage Tanks <br />a) The facility has two 1,000 -gallon aboveground storage tanks used for <br />storing diesel and unleaded motor -vehicle fuel, and they are located on <br />concrete slabs west of the Load Center Building. The tanks are <br />double -walled with a steel inner tank, an annular space, and an outer <br />concrete containment tank. The double -walled tank system provides <br />secondary containment for protection against tank leakage. There is a <br />visual inspection port for the annular space which is inspected <br />periodically for fuel. <br />3-2 <br />