No information is available on the raaioactivity of “Lagoon a” on Pg Hite +. bottom material deeper than two feet, ‘but from‘the“aTight decrease: MCHho* wee f thus indicated at two feet, the activity may ta,assumed to have 4 + penetrated farther, constituting a reservoir, eatinited ‘0 exceed pee AS pm? 20,000 curies of beta activity in the firstmeter ofJagoon bottom ° in August 1953. eed ee This may be compared toshangfapsien estimated (UWFL-43:54) for the top 8 inches in 1955.) ra . abe Plankton values might be: expected to waiteswith. bottom EL Ae ead sample values (FMgure 2). 4th e “ “a Ina comparison ofactivity at ‘the ten oo ooaywy e { stations between pumped plankton and votton ‘camped, ‘i the positive correlation coefficient fell somewhat shortofstatistical‘signif ye ee “ 7 * icance, even omitting the first stationanvelvdie’ an‘exeéptionalay: nigh plankton value. << z al? TCREEporepeneRe ee ea eteA ATO However, Values for plankton tows near pongelep,plang,mmiacton island, ee ed eee ee dct OR » hig fe Sand |Kabelle Islandwere negatively related (odticetgnasicantiy) to’ ectively a the values for bottom samples at the corresponding‘ovalities, ae stations 3 and 4, 5,“and 10) een awe "eertaminm BELoe nay tet ben ce ele _ Thus , ves there is'noevidence of cor" : “aha relation between radioactivity of plankton and’of bottom‘samples at the same locality. i L20,