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Jul 29 02 05: 11p ". E. Curtis Construction 209-234-2411 p• 2 <br /> 07/29/2002 16: 31 31E1r31518 ADAMS SERVICES'wr,C PAGE 01/01 <br /> ADAMS SERVICES, I C. <br /> 406 E. Alondra Blvd.,Gardena,CA 90248-2902 <br /> (310)523-4430 A FAX(310) 523-1518 <br /> TO WHOM IT MAY CONCERN: <br /> SITE: ARCO: LODI, CA <br /> TANK CLEANING PROCEDURES FOR <br /> UNDERGROUND FUEL STORAGE TANKS <br /> 1. Properly ground and bond vacuum truck and tank cleaning equipment. <br /> 2. Take stick readings of tank contents and L.E.L. readings in tank. <br /> 3. Place vacuum hose in low end of tank and start pumping produeUrinsate onto vacuum truck. <br /> 4. Begin rinsing tank from high end using 4,000 PSI washer and 8'washing <br /> wand, continue washing until all sludge residue has been displaced from tank and contained in <br /> vacuum truck. Tank will be considered clean when all product and sludge have been removed <br /> and tank atmosphere is 0% LEL. <br /> All waste rinsate and materials will be pumped into a State certified and approved vacuum truck and <br /> transported to the following State approved TSDF for recycling: <br /> DeMenno/Kerdoon <br /> 2000 N. Alameda Street <br /> Compton, CA 90222-2799 <br /> 310-537-7100 EPA ID#CAT080013352 <br /> When tank LPL readings are below 5%,a 20"x20"hole will be cold cut into top of tank. This hole is <br /> used for final cleaning and visual inspection for tank certification. Then tanks are certified clean and <br /> gas free by a Marine Chemist. <br /> Depending upon the local Inspector's requirements,dry ice may or may not be placed in the tanks at a <br /> ratio of 25#/K prior to transportation. <br /> Tanks will then loaded onto flatbeds and transported for destruction to: <br /> PACHECO PASS LANDFILL <br /> 3675 Pacheco Pass <br /> Gilroy, CA 95020 <br /> 408-847-4142 <br /> A Certificate of Destruction will be issued for the tanks. <br />