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METHOD FOR DISPOSAL OF TANKS AND PIPING WILL BE FLUSHED <br /> RESIDUALS: WITH WATER AND CONTENTS PUMPED OUT <br /> AND TAKEN TO REFINERY FOR FUEL/WATER <br /> SEPARATION. <br /> REMOVAL OF FLAMMABLE TANKS WILL BE RENDERED INERT BY INSERTING <br /> VAPORS: 20 POUNDS OF DRY ICE PER 1, 000 GALLONS <br /> OF TANK CAPACITY. <br /> METHOD OF DISPOSAL OF CONTRACTOR WILL BE RESPONSIBLE FOR <br /> TANKS: TRANSPORTING TANKS & PIPING (VIA TRUCK) TO <br /> TRIANGLE INC. , SAC. CA. FOR DISPOSAL. <br /> METHOD OF SAMPLING: SAMPLE SHALL BE TAKEN FROM 2-4 FT. BELOW <br /> TANK BOTTOM, IN UNDISTURBED SOIL TAKEN FROM <br /> A BACKHOE BUCKET USING A BRASS TUBE. SAMPLE <br /> IS TO BE PROMPTLY PLACED ON ICE FOR TRANSPORT. <br /> THE SOIL BELOW PIPING SHALL BE SAMPLED SIMILAR <br /> TO ABOVE AT 20 FT. INTERVALS ALONG THE LENGTH <br /> OF THE PIPING. <br />