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<br />I <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />12 <br /> <br />SAMPLING TECHNIQUE <br /> <br />Prior to each outing the acrylic snow profilers were <br />cleaned by a series of washings in mild detergent solutions, <br />followed by triple rinses in doubly-distilled, deionized <br />wateJ:. The profilers and all related equipment were then <br />sealed in polyethylene bags for shipment to the sampling <br />sites. After arrival in Beaver, a staging area was <br />established, approximately 17 miles east of Beaver on <br />Highway 21, just below Merchant Creek. The elevation of the <br />staging area, shown in Figure 3, was 8700 msl. <br /> <br />I <br />I <br />I <br />I <br /> <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Figure 3. Merchant Creek staging area <br /> <br />During sampling operations no more than three clean <br />profilers, per trip, would be loaded on the external baskets <br />of the helicopter which was used to transport the sampling <br />