te ee ee ee Nee “yy Project 2.5b - FALL-OUT DISTRI3UTION STUDIES Project Officer - E. F,. wWilsey Cbjectives The objectives of this project include the collection ? aa" * fall-out samples for the documentation of the physical charact- eristics as a function of time and distance, and to provide semples for chemical and radio-chemical analysis for Project 2.6b. “ together on each of the following islands: UVorikku, Romurikku, tonoen, Rochikarai, Airukiji, Enriirikku, Rukoji, Chieerete, _ Garukeen, and Bokororyuru. One of these instruments at each of the stations was set to sample. at 30-minute intervals for a total ' Sempling time of 12 hours. The second instrument at Airukiiji éad Enriirikku was set to sample at l-minute intervals for a ‘ Two intermittent fall-out collectors were located Te er tee eee white, mere te . +. Instrunentation total sampling time of 24 minutes; the second instrument at the other stations listed above was set to sample at S5-minute intervals for a total sampling time of 2 hours. One instrument was located a) tn each of the following islands: Yurochi, Bikini, end Enyu. ~ ( ) nese collectors sampled at 30-minute intervels for a total a ecover OQ "gy -2@=pling time of 12 hours. Instrument functioning was excellent; all instruments _ — _ ER Gyre Copled/DOE LANL J-Dlv. nn 39-ninute instruments, and the Airukiraru and Entirikiku 1-minute “PMT ae mer gy Fértially or completely operated except the Aomoen and Chieerete