(shelalrinane The levele or toarl the chip weoe lower than they might have been lle encountere? both on D day and D #1, wiCw EPPCTIVENTSS YAG-37 and YAG-4C receivel molest an-ounts of fallout during Shot NAVACO and were require] te operate their vwachacwn systems. Preliminary examinglicn of records from cammcetime instrument stations indicatod that, althevsl the peak activity wes lese than two R on the YAC-39, fis recerac aprared edetvete for miring a washdown evaluation. The VAQewt!s pook aclivity, slightly over 10% millircenigenc, was consiiere2 ° 4 au. 4 r _ too ley- +te allow. stoni*feanrt compartecn betwecn the washe2 and unwashed Lan GYlLoT. Oe ee ert awe yee dae FP aayt mr -- 7 a2 wie me watlliwn woo Bagece turacd iv fetwinty miavics after arrival cf initial me Se Tent when TT La . ay ee aead the level ae -wen ~e cf activity haa re Se “ MO a foe - rs ~ TL war kopt in abeut tuo hours after ececaticn of ihe primary fallout, for a total perica cf cperation cf seven hours. at about 52 hours. lé2 mrfor. Feak activity occurred The activity under the waskdown at this time was The aecumletcd aces recorded by the weshed stations was abort 340 mr. This, compare? with 2 rate of 1.35 R¢Anr and dose of 2.15 R from the unwashed area givce an cffietonsy cf STp Por contaminant removed anioan <fPetiivencre cf 85% for total fore redurtion at time cf pee artiivity. “~TOMTTCOT CO, wi arta owt Tic nmaturc of the Vevugc fallout matcrial is quite similar to that rom Flathead, d.e., small rodiosctive coral particles (30-40 microns)