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Northwest Pipe Spill Prevention, Control, and Countermeasure (SPCC) Plan 51 Company Tracy Plant Appendix F Agency Notification Standard Report Agency Notification Standard Report Information contained in this report, and any supporting documentation, must be submitted to the EPA Region 9 USEPA Regional Administrator, and to San Joaquin County Environmental Health, within 60 days of the qualifying discharge incident. Facility: Northwest Pipe Company Tracy Plant Owner/ Operator: Northwest Pipe Company 201 NE Park Plaza Drive, Suite 100 Vancouver, WA 98684 Name of Person Filing Report: Facility Location: 10100 W. Linne Road Tracy, CA 95377 Maximum Storage Capacity: 16,538 gallons Daily Throughput: N/A Nature of Qualifying Incident(s): ❑ Discharge to navigable waters or adjoining shorelines exceeding 1,000 gallons. ❑ Second discharge exceeding 42 gallons within a 12-month period. Description of facility (attach maps, flow diagrams, and topographical maps): The Northwest Pipe Company—Tracy Plant is part of the Northwest Pipe Company; The Tracy facility occupies an historic aggregate quarry and sits in a 20'-25' depression relative to the surrounding topography. It has a 10,000-gallon diesel aboveground storage tank(AST),a 300- gallon unleaded gasoline AST, plus three 500-gallon ASTs used to store motor oil, automatic transmission fluid, and motor oil respectively (see Figure 4.4). Cause of the discharge(s), including a failure analysis of the system and subsystems in which the failure occurred: Corrective actions and countermeasures taken, including a description of equipment repairs and replacements: Additional preventative measures taken or contemplated to minimize possibility of recurrence: Other pertinent information: