an 2- pc/KG I- 7 To. . . TOP INCH SECOND INCH THIRD INCH ; Oo FOURTH INCH SAND PROFILE FIFTH INCH SIXTH INCH SEVENTH INCH EIGHTH INCH —===a1 INCREMENTS af gy og 8 Pigure 14, A. Radioactivity in eight increments of a sand profile. taken in Rongelap lagoon off Kabelle island under six feet of water. BHOKT HHSRT HHOKT Boars vv ALlty ATVs Ri B-O BIS Gegss SRS Gegss SeRTs Segss Legs Seges Sos 3 > Ott HOPST AL st Ohr- Vv HOM T BEOKT BAPKs Vv Attitey Ome a Omy th B25 orn O—-9 Wigure 14 B. Oh yp ¥y : 8Te ws oo nd “As Omg Th =O S Othe Ore ro) avg Vv S25 PARTICLE SIZE IN MM. Specific radioactivity in five different particle size fractions for each of the soil profile increments shown in . Pigure 14 A. The highest radioactivity levels are in the smallest — i 9 oF: . ‘peTiITY 8&83ea - particle size fraction in each increment. oHHPes wmeort Bees Tr ore ore BHOET Orn BoOOkt or BoOky BAK s BHArS B25 B25 orn. B-5 SPBTO SEBS EEBTS LEBTG O8BZG SEBTO LeBTS Oy Ons Ons Ord ws Oeet aks =O O=6 @ HO PARTICLE nsure 14 CG. SIZE IN rt orn O=Q The Tr. MM. he percent of the total radioactivity in each incre- of that incremene pbuted by the different particle size fractions fractions . in nt. he percent contributed by the two finer creases with depth down to the eighth inch. ~~