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<br />b) Airborne releases of a line of AgI, or a <br />"curtain drop" of dry ice (C02) pellets, will <br />be made upwind, again attempting to include the <br />Island Lake-GMO area in the ground area <br />affected. Ground sampling will be similar to <br />the previous, but aircraft passes will be made <br />along the wind like the T & 0 sampling with <br />airborne AgI releases. <br /> <br />Initial experiments using both airborne and ground <br />releases of AgI will use the AgI-NH4I-acetone-water <br />solution believed to produce primarily contact <br />nuclei. If a sufficient number of successful <br />experiments are completed prior to the end of the <br />field program~ some use of the AgI-NaI-acetone-water <br />solution is anticipated. This mixture should pri- <br />marily yield condensation-freezing nuclei. It <br />would be very interesting to search for microphysi- <br />cal differencl~s in actual clouds between the two <br />AgI seeding solutions. <br /> <br />5. Testing of prototype remote-controlled seeding <br />generators: <br /> <br />The final objective for the 1985-86 winter program <br />will be to thof'oughly field test two new prototype <br />remote-controlled AgI seeding generators. These <br /> <br />9 <br />