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r <br /> I: <br /> Applied Geotechnology Inc. <br /> , :.. Decontamination <br /> All sampling equipment was thoroughly decontaminated between each sampling <br /> in accordance with the following procedures: <br /> ` Step 1: Dip rinse in tap water <br /> Step 2: Wash in solution of phosphate based soap (Alconox) and tap <br /> water <br /> Step 3: Dip rinse in tap water <br /> Step 4: Dip rinse in dilute nitric acid <br /> Step 5: Dip rinse in tap water <br /> Step 6: Dip rinse in n-propyl alcohol <br /> ` Step 7: Dip rinse in distilled water <br /> f. <br /> All solutions were renewed frequently. Scrubbers were used during Steps 1 <br /> and 2. All equipment was air dried, then held in decontaminated plastic <br /> L bags between samplings. <br /> L: <br /> I <br /> f <br /> r, <br /> E . <br /> L <br /> i <br /> L <br /> is_� <br />