350 TRANSURANIC ELEMENTS IN THE ENVIRONMENT 



TABLE 7 Concentration Ratios of the Transuranic Elements for Plants Grown in 



Pot Cultures or Field Environments 



Plant species 



Range of CR 



Conditions and comments 



Reference 



Pot culture 

 Alfalfa 



Alfalfa 



Barley 

 Grain 

 Foliage 



Barley 

 Grain 

 Foliage 



Barley 



Barley (shoots) 



Barley (plant) 



10-= to lO-'' 



10- 



Plutonium 



Grown in 3 kg of NTS soil; 0.6 nCi/g This study 

 (soil) of 2'^'^ ""Pu; high- 

 fired PuOj ; liighest CR 

 caused by chelate treat- 

 ment; used mainly for 

 livestock feed. 



Grown in 1.5 to 5 kg of contaminated Adams et al., 

 soU from Palomares, Spain; 1975 



60 nCi/g soil of ' " Pu; 

 used mainly for live- 

 stock feed. 



10-* to 10-' 

 10-= to 10-' 



10-' 

 10"= 



Same as for alfalfa above; 

 used mainly for human 

 food and an ingredient 

 of livestock feed. 



Grown in 3 kg of NTS soil; 

 high-fired PuO 2 ; 10 to 



50nCi/g(soa)of 



2 3 9 ,2 4 



Pu. 



10-' (av.) 



10 



— 4 



spiked with 0.1 AiCi/g 



of ^"PuasPu(NO,)^; 



uptake similar from three 



soil types. 

 Grown in 1.2 kg of Los 



Alamos mountain 



meadow soil spiked 



with 300 MQ/g of 



^"Pu asPuOj. 

 Same as for alfalfa above. 



This study 



Schulz et al., 

 1976b 



Wildung and 

 Garland, 1974 



Energy Research 

 and Development 

 Administration, 

 1976 



Wilson and Qine, 

 1966 



Adams et al., 

 1975 



Adams et al., 

 1975 



