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COVEY AUTO EXPRESS,Stockton, CA INSPECTION SUMMARY 21 Jan 2014 1444 EI Pinal Drive, Stockton,CA 95205 1 certify that I inspected and/or tested the non-buried tank at this facility on 21 Jan 2014. 1 am a STI certified inspector,Steel Tank Institute, Level II, AST 8AC 18709. Results are attached. The facility has several used oil holding tanks, supporting on site vehicle maintenance activities. Findings of the formal STI Exterior Tank Inspection include: FINDINGS Tank 1, A nominal 480 GA, horizontal double wall steel UL 142 AST "Eco Lube Cube" A detailed "formal exterior inspection"was performed in accordance STI Standard SP001, ed. S. The AST was found to be serviceable and in very good condition. The integral secondary containment for the 480 GA double walled tank system was empty but residue on bottom indicated past introduction. AST is clean,sound, properly sized and in very good condition,with the following exceptions. The 4 1N PVC shipping plugs in the secondary shell should be replaced with a 4 IN NPT metal plug.Auditable overfill alarm should be installed on plastic float actuated gauge Tank 2, A nominal 500 GA, horizontal cylindrical single wall steel UL 142 AST A detailed"formai exterior inspection"was performed in accordance STI Standard SP001,ed. 5. The AST was found to be serviceable but in fair condition due to a large dent. Only support is wood timber to keep from rolling. The single threaded 2 IN NPT inlet limits ability to vent or install permanent content gauge. Paint is good. Signage indicates contents and accumulation start date. Signage indicated that waste oil was recently picked up from tank Tank 3, A nominal 275 GA, obround single wall steel UL 80 AST painted red with one 2 IN NPT opening on the top.The AST was found to be serviceable and in good condition supported on four steel 1-1/2 IN pipe legs about 4 IN above the floor. Openings were not plugged. Paint is good.Signage indicates contents and accumulation start date. Signage Indicated that waste oil was recently picked up from tank Tank 4, A nominal 275 GA, obround single wall steel UL 80 AST painted blue with four 2" NPT openings on the top.The AST was found to be serviceable and in good condition supported on four steel 1-1/2 IN pipe legs with casters about 4 IN above the floor. Openings were not plugged. Paint is good.Signage indicates contents and accumulation start date.Signage indicated that waste oil was recently picked up from tank Tank 5, A nominal 200 GA,vertical cylindrical single wall polyethylene AST containing Used Antifreeze(Ethylene glycol and water) is located in the vehicle shop interior near the bulk oil containers. No damage was noted.The container is situated on the finished concrete shop floor and provides direct visual gauging of contents through the translucent about a %IN thick single polyethylene wall.Tank is clean and signage indicates contents and waste accumulation start date. RECOMMENDATIONS: Tank 1, An ongoing monitoring and recording program should be employed to verify that suggested battery powered overfill annunciator works and the interstitial void is dry.Alarm should notify when AST reaches 95%capacity level. Paint is good and signage indicates contents and accumulation start date. Tank 2. Permanent support is necessary to stabilize the horizontal cylindrical AST and raise it above