134CS is rele 

 137CS, so tha 

 be used as a 

 radi ocesi um. 

 238Pu is rele 

 ranging from 

 in d i s t i n g u i s 

 Cm is now bei 

 TTTllstone Poi 

 either Maine 

 Release Pattern 

 The rates of 

 die tors of th 

 products 1 i ke 

 Am or Cm. Fu 



those easily 

 nuclides that 

 pulses of hig 

 nuclide trace 

 Environmental S 

 Mi 11 stone Poi 

 iJbFe in the e 

 particles, wh 

 associated . 



these tracers 

 have so far f 

 Without a lar 

 son, however, 

 elusion, thou 

 Point area co 

 The only biot 

 show reactor 

 discharge can 

 done, so far 

 Mill stone Poi 

 envi ronment , 

 Maine Yankee 



ased, generally, at nearly uniform ratio to 

 t the change in this ratio with time can 

 guide to dating movements of released 



ased at 

 1 to as 

 hing rea 

 ng relea 

 nt, and 



Yankee o 

 s 



rel ease 

 e rates 



55Fe or 

 rther st 

 measured 



could b 

 h concen 

 rs . 



amp! es 

 nt sampl 

 TTluent 

 i 1 e only 

 This sho 



in 1 c a 

 ailed to 



ge body 

 it woul 

 g h an in 

 res show 

 a sample 

 c n t a m i n 

 al. Alt 

 no e V i d e 

 n t radio 



very high ratios to 23 

 high as 5. This shoul 

 ctor Pu from fallout P 

 sed in only very smal 1 

 has not yet been detec 

 r Pilgrim 1 . 



of radiocesium are not 

 of rel ease ei ther of a 



60co, or of transuran 

 udy will be needed to 



(by gamma spectrometr 

 e used to identify the 

 trations of long-lived 



ing h 

 is as 



one 

 uld h 

 1 sed 



find 

 of se 

 d hav 

 corre 

 ed re 

 s fro 

 ation 

 hough 

 nee h 

 acti V 



as sho 

 soci at 

 third 

 ave 1 e 



iment 

 , and 



d iment 

 e been 

 ct one 

 actor- 

 m this 

 are t 

 much 

 as app 

 i ty im 



wn the 

 e d wit 

 of the 

 d to d 



accumu 

 sampl e 



core 

 an un 

 , that 

 origin 



area 

 hose t 

 more w 

 eared 

 p i n g e s 



foil 

 h eas 



Pu i 

 e p s i 

 1 atio 

 , sue 

 data 

 avoid 



both 

 ated 

 that 

 aken 

 ork s 



showi 

 on i 



9,240pu, 



d be useful 

 u . 



amount from 

 ted from 



useful pre- 

 c t i V a t i n 

 ics like Pu, 

 identi fy 

 y) waste 



occasional 



radio- 



owing : All 

 ily filtrable 

 s similarly 

 t i n of 



ns, but we 

 h pi aces . 

 for compari- 

 able con- 

 Millstone 

 contamination, 

 clearly 

 from the 

 houl d be 

 ng how 

 ts local 



fl ushed , 

 sampl es 

 contami n 



the reac 

 of these 

 ing and 

 others e 



si te 

 from 

 ation 

 tor s 



cert 



redes 

 ertai 



occupies a much more restricted, less well 



We have not yet analyzed any water 

 the area that show evidence of reactor 

 , but sediment samples from all sides of 

 ite prove measurably contaminated. Some 

 ainly reflect the conditions before mov- 

 iqn of the waste-stream outflow, but 

 nly post-date this change. Both algae 



48 



