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<br />17. <br /> <br />1 times lO to the l4th per gram at about minus 170 Ce~tigrade. <br /> <br />2- --- <br /> <br />,'\n-e-l.ectric_ar.c-llaparizes_sLI ver iodide <br /> <br />3 electrodes, and a fan holds the arc in pQsition, and blows <br /> <br />4 the nuclei outside the generator, and the nuclei from <br /> <br />5 that point are carried by natural air currents to cloud <br /> <br />6 level of cloud base, or to the minus 5 to minus 100 <br /> <br />7 levels, where they become available to become ice nuclei <br /> <br />8 or the nucleus for ice crystals. <br /> <br />9 <br /> <br />Q Once the nuclei or ice crystals are formed, what <br /> <br />10 effect does that have on precipitation? <br /> <br />11 <br /> <br />A Well, after these particles rise into a super-cool <br /> <br />12 cloud, which means that liquid exists in the cloud, at <br /> <br />13 . temperatures well below freezing, and these ice nuclei <br /> <br />14 then become actually the centers .for an ice crystal. <br /> <br />15 And these ice crystals are very favorable for <br /> <br />16 actually attracGing m6istur~ and as the crystal attracts <br /> <br />17 additional moisture, it becomes heavy enough to fall as <br /> <br />18 snow or rain. <br /> <br />19 If it falls as snow, it will continue, if the <br /> <br />20 temperatures are cold enough, all the way to the ground. <br /> <br />21 If they're not, it will melt before it reaches the ground. <br /> <br />22 <br /> <br />Q At this point, Mr. Stone, I think we will endeavor <br /> <br />23 to qualify you as an expert in this field. Would you please <br /> <br />M state your background to the Hearing Officer in summary, <br /> <br />~ both academically and scientifically as would relate to <br /> <br />SUZANNE M. CLAAR <br />CERTIFIED SHORTHAND REF>ORTER <br />