, , ee ere ae ge aE eer Pee2 et eee es ee een Exhibit EK ae Se (Account of Interview by Joseph G, Hoffman, May 21, 198, at 11:30 A.N.) = a iee _ ee ™ ae oe was standing, ee . " leet ee Se Lae ae Ee oe -. eee We bad on green Eevy fatigue clothes, which we had put on wes pretty well away from enything. I had gone up fairly close to watch Ge ae eiaden A ee 3 the planes, not closer than 50 feet before 7:30 A.M. We had put on pocket meters when the planes started laniing around 7:00, and the monitor gare me one film badge and a dosinster. ee filter units. -_ patled all the lanyards that held the I helped teke oft the top filter units from the fork lift for the lest four planss that came in. hat taken nee off the first four; worked with me on the next two, and worked with ms on the last two. J vas standing around watching while ths first four plenes came in. There was the ususl dust flying around. I noticed a black gummy substance which rubbed off the filter wits canto a the gloves. Thsre were no measurements made on this substence, but I imagined that it was hot. They had washed down the planes with a de- . sy I'm when ve got up that morning around 2:00 A.M. JI had on a pair of rubber surgical gloves and a pair of thin white cotton gloves just before I started working on the plenes. They vere fairly lbose and you sould eee the dark rubber through the thin cotton mesh. Before that tine I OO wns claterra I went over ani started working about a half hour before the planss lenied and was around the planes until about 9:00 A.M. not quite gure when ve) fintahed, greasing solution of kerosene, and this may have caused thse gummy substance. ot TS eet: ot tae bo _ worked on the first four planes that cams in around 7100 A.M. I got there about 7:30 A.M. We had put the lead pigs on the back of the jeep and vent out ani watchsd the shot for avhile. There ves gensral redietion around from the drones which Were parked on the airstrip. The meter read about 300 mr per hour at ons spot where I Aiea Make As fer eas I know, there were no radietion measurezents mods around the filter papers. JY made a measurement with a gamma ray survey pas tae meter (a Model 100 we had brought with us frog Los Alamos) which had taee NEEEURAe SRB, oaREE > SeALsy Aaa been used for all the shots, but IJ don't feel that it was contaminated. It covers a range from about 100 mr tol r. Vandergrifr vas the monitor. He vould walk up to the plane after it bad landed while they were going up to teke off the filter units and take measurements off the tail of tha plane as it stopped. He was not aromd while we were teking out the filter papers, but appeared when ve were almost through. The pocket meter that I hed recorded the intensity during the entire operation. It vas a 10 r. dosimeter. Vandergriff took it from me together with the filu badgs. It read about BE r. but I thought it was leaking. ever got close to the planss. It read lr. before I Lo The lower filters were left on the planes. wentaround jerking out the sides, leaving them on the ground near the nose and end I went around with fs fee, I handled about all of ths SOPICN Inne Exhibit K PRIVACYACT MATERIALBae b WUErisaorcoctoa. rH PLLianbeh oe