KELLOOOs ~ ups in this case you will avoid any possibility of si your own cloud ef already saapled air. 80 you would a little fester device for a moving balloon. EISENBUDs: Others have sampled air through an electrostatis tater with about ten pounds of equipsent st a cost of around $200, BOLZMAWs | Will, it seexs to me that the problem ien't focused here. well ' You're not really trying te follow this cloud, you) you're trying to find out how much activity ta there and what is the rate at whieh it falls out—~isn't thatithe 2.30% le real problea beret KELLOGG: I triedtos if I'd been writing, I'd have made & new : | heading. fhe first section heading wes, "Following debris using sone method for tracking the density ‘of debris, segerdless of what it is nace of. 07