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Lr.#526156 <br /> GENERAL ENGWEERWG GENERALCONTRACTING <br /> CONCRETE CONETAIJCM]N <br /> THE FOLLOWING IS OUR PROCEDURE FOR TRIPLE <br /> RINSING OF PETROLEUM STORAGE TANKS: <br /> Using our Hotsey Steam Cleaner, (diesel fired heater) which <br /> heats water to a temperature of 220° F, with an up-draft to mix <br /> Bio-Degradable Liquid Soap and operates at over 500 P.S.I. of <br /> pressure is inserted at all available portals with WAnd and <br /> Agitating Head to provide for total internal coverage. <br /> After this is accomplished the soapy water and residue is <br /> pumped off and stored in sealed barrels for subsequent haul off <br /> and disposal. <br /> This operation is accomplished (3) times to fulfill the mandate <br /> of triple rinse. <br /> \ 1000 N. UNION • STOCKTON, CA 85205 • 12091482-5082 <br />