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Tracy Toyota Waste Anti -Freeze Tank Assessment <br />Written Assessment per CCR Title 22 66265.192, 66265.193 <br />Volume calculation(s) <br />The waste antifreeze tank working volume is 194 gallons.. The calculated <br />secondary containment volume less interferences is 282 gallons. The petroleum <br />storage room is above grade within the building above a concrete floor. <br />The tank and ancillary equipment are under roof so the 25 year rain event does <br />not apply. <br />The petroleum storage room has available containment for 282 gallons. <br />Secondary Containment Calculation <br />Petroleum Storage Room <br />Interferences <br />Petroleum Storage Tank 1 <br />Petroleum Storage Tank 2 <br />Waste Oil Storage Tank <br />Sum of Interferences <br />Net Containment After Interference <br />Waste Oil Tank Volume <br />Indoors, 25 year rain does not apply <br />Containment is Sufficient <br />length, in width, in depth, in volume, in3 volume, gal. <br />146 113 5 82490 357 <br />64 32 2.5 5120 22 <br />59 45 2.5 6637.5 29 <br />47 47 2.5 5522.5 24 <br />Figure 10, Secondary Containment Calculation <br />Ancillary equipment and plumbing secondary containment is provided by the <br />buildings level concrete floor which is covered therefore the 25 year rain event <br />does not apply. <br />Containment is sufficient. <br />Visual inspection of containment area: <br />The integral containment of the tank was found to be dry. There are no cracks, <br />gaps or waste in the containment area of the tank. The waste oil tank has integral <br />secondary containment which was inspected and found to be dry. The tank itself <br />is within a secured petroleum storage room with on a concrete floor. The room <br />Strandberg Associates 11866) 388-0464 (650) 329-3918 rwaterquy(C7Jrwaterquy.com 13 <br />75 <br />282 <br />194 <br />