. “~ f c 5 ? “ pes LAnseMe (continued) less than a half a aicron at 3 wiles of the sirborne uatertal, Now thia occurred on a sample that was collected at two to | four hours and the same picture held at six to eight hours. The soil sample collected 2 hours after detonation in this wame location had the uaximum activity in the particle size fraction of 175 to 350 microns. I sort of go along with the idea that if we atudy intensively what can happen in the first 200 miles after detonation we are going to come up with most of the snawera that osn be applied worldwide, if you will, or et least within the U. 8 ee ™ BOE ARCHIVES