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Aboveground Storage Tank Assessment TRACY CHEVROLET 3400 Auto Plaza Way, Tracy, California 1.0. INTRODUCTION The purpose of this Aboveground Storage Tank (AST) Assessment is to assess the condition of the waste oil tank (AST) used at Tracy Chevrolet (Facility), located at 3400 Auto Plaza Way, Tracy, California. Additionally, the assessment addresses compliance with AST requirements for use as a vessel for temporary storage and accumulation of the waste oil from Facility industrial activity. 2.0. TANK ASSESSMENT The purpose of this Aboveground Storage Tank (AST) Assessment is to assess that the Facility meets the requirements for AST use for the purposes of temporary storing and temporary accumulation of the waste oil from industrial activity at the Facility. The Facility location map is included as Figure 1. The Facility site map is included as Figure 2. Figure 3 includes the AST schematic, including the top, front(east facing) and right(north facing) sides. The professional engineer AST assessment certification is included after the title page. Specific sections of the assessment are also certified in Table 1. 2.1. ABOVEGROUND STORAGE TANK (AST) DESCRIPTION The waste oil AST is double walled, with the outer shell having a 110% containment capacity of the inner tank. The AST description is included as Table 2. 2.1.1. AST Name and Markings The AST is identified by Facility personnel as the waste oil tank. There are labels clearly legible on the top, north and east sides of the AST, including: • Waste Oil; • Waste disposal collection; • Used oil; and • Underwriters Laboratory (UL) placard. 2.1.2 AST Age and Remaining Service Life Facility staff are unsure of the AST placed in service year. The age of this AST is estimated at not greater than 20 years [22CCR§66265.192(k)(3)]. The remaining service