Bowen (1979) was 4 to 15 mCi per km^ of fallout 137cs. 

 The inventory of Pu in core No. 2, over 12.1 mCi/km^, ap- 

 pears at least as much elevated as that of 137cs, whereas 

 the 55pe inventory is not too far removed from that one 

 would expect in relatively oxidizing fine-grained sediments. 



Witho 



134CS 



those 



be ve 



of CO 



were 



of lo 



Point 



data 



these 



ment 



Krish 



Basin 



serva 



55Fe 



This 



radio 



cumul 



not s 



ut bo 

 and 



repo 

 ry di 

 re No 

 indie 

 ng-1 i 



reac 

 base , 



Mill 

 accum 

 naswa 

 ). 

 ble, 

 by th 

 i s no 

 nucl i 

 ate s 

 far 



th the c 

 for 238p 



rted by 

 fficult 

 . 3 , and 

 a t i n s o 

 ved radi 

 tor effl 

 however 

 stone Po 

 u 1 a t i n 



mi et al 

 nly nucl 

 and what 

 e coarse 

 t , of CO 

 des from 

 omewhere 

 found t 



areful 1 

 u , and 

 Livings 

 to avoi 

 the hi 

 f the a 

 n u c 1 id 

 uent St 

 , force 

 int cor 

 from a 



(1973) 



ides of 



is mos 



and of 



urse, t 



Mil 1st 



in sed 



he plac 



y examined 

 a set of c 



ton and Bo 

 d c n c 1 u d i 



gh 137cs a 

 ccumul atio 

 es release 

 ream. Exa 

 s us to CO 

 es represe 

 large neig 

 showed fo 

 worl d-wid 

 t interest 

 Pu by the 

 say that 

 one Point 

 imentary d 

 e . 



data 

 m p a r i 



wen (1 

 ng tha 

 nd Pu 

 n , in 

 dint 

 m i n a t i 

 ncl ude 

 nts a 

 hbori n 



r the 

 e fall 



i n g is 



fine 



the 1 



effl ue 



eposi t 



(Tabl 

 son c 

 979), 

 t the 

 of CO 

 sedim 

 he Mi 

 on of 



that 

 basin 

 g are 

 Santa 

 out 



the 

 grain 

 ong-1 

 nts d 

 s ; we 



e 6) 

 ores 

 i t w 

 high 

 re No 

 ents 

 1 Isto 

 this 

 each 

 of s 

 a (as 

 Barb 

 r i g i n 

 sel ec 

 ed se 

 i ved 

 not 

 just 



for 

 1 ike 

 oul d 



55Fe 

 . 2 



nearby, 

 ne 



whole 



of 

 edi - 



we feel 

 ara 



are ob- 

 tion of 

 diments . 

 waste 



ac- 



have 



The Mi 

 take a 

 in 197 

 source 

 organi 

 reacto 

 239,24 

 time a 

 above 

 but we 

 ment a 

 col 1 ec 

 that y 

 centra 

 out CO 

 conf i r 

 the U. 

 with 1 

 ranges 



llsto 

 s con 

 5 fro 

 of 

 sms s 

 r eff 

 OPu, 

 t Bla 

 fallo 

 re ce 

 p p 1 i e 

 ted i 



ear ,0 

 t i n s 

 ntami 

 m an 



S. c 

 37CS 



that 



n e Point 

 firming t 

 m the eff 

 u r origin 

 howed sub 

 1 u e n t in 

 24lAm, an 

 ck Point 

 ut 1 evel s 

 r t a i n 1 y n 

 s to the 

 n 1977: i 

 f 137CS c 

 were com 

 nated mus 

 important 

 oast line 

 or Pu con 



apply, b 



biota 

 his p 

 1 uent 

 al in 

 stant 

 their 

 d Cm; 

 ( see 



i n r 

 ot un 

 musse 

 ts so 

 oncen 

 forta 



sel d 

 poi n 



that 

 centr 



ut th 



data 



i n t . 

 stre 



teres 

 ial a 

 cone 

 oyst 

 Fig. 

 espec 

 e q u i V 



1 sam 

 ft pa 

 trati 

 bl y w 

 ata s 

 t: t 



have 

 a t i n 

 at we 



col le 

 The 

 am in 

 tint 

 nd une 

 entrat 

 ers CO 

 1) may 

 t to 1 

 ocal ly 

 pi e fr 

 rts we 

 ons bu 

 i t h i n 

 hown a 

 here a 



c n s i 

 s at 



have 



cted 

 oyste 

 the q 

 his p 

 q u i V 

 ions 

 llect 



have 

 37cs 



so. 

 om ar 

 re ab 

 t its 

 the r 

 t the 

 re 1 

 stent 

 r nea 

 no re 



in Ta 

 r sam 



uar ry 

 ro jec 

 cal e 

 of 13 

 ed at 



been 

 and 2 



The 

 ea 2 

 ove t 



Pu a 

 ange. 



bott 

 c a 1 i t 



ly yi 



r the 

 ason 



ble 7 

 pie, 

 , was 

 t; th 

 V i d e n 

 7Cs, 

 the 

 si ig 

 39,24 



same 

 (Fig. 

 he ra 

 nd Am 

 The 

 om of 

 ies a 

 el ded 



top 

 to be 



we 

 taken 



the 

 ese 

 ce of 

 238Pu, 

 same 

 htly 

 OPu, 

 state- 



1) 

 nge ,for 



con- 

 fall- 



Table 7 

 long 



mussel s 

 of the 

 1 ieve 



19 



