-9- ee PS,-¢MTNSyd A cmeerss : i F » al i . hon a wah ued Marine Food Products _ Marine food products from Bikini Atoll supply a substantial portion of plutonium to the diet for Bikinians. Some Pu concentrations in fish at Bikini Atoll have been published by Nevissi and Schell. 14 These data are abstracted and given in Table 5 along with some data on marine invertebrates. 18 data for fish muscle or eviscerated whole fish and sing both the detection limits as real numbers and weighting by the numbér of fish in a sample, the mean Pu concentration for fish at Bikini Atoll is 2.2 pCi/kg wet weight. Concentrations in invertebrate muscle average 1 pCi/kg. Assuming an average daily intake of 600 g (or 219 kg/y)y° the total annual plutonium intake would be 482 pCi. For comparison, the data listed in Table 3 show a concentration in New York shellfish and fish of 0.011 pCi/kg and 0.0016 pCi/kg, wet weight, respectively. The total annual intake of Pu from New York marine products is 0.024 pCi. _ the ratio of Pu intake through marine food pathway for Bikini compared to New York is 2x 10°. Se DISCUSSION ‘The estimated annual intake in Table 6. | of Pu through various pathways is given With the possible exception of the inhalation pathway, available ‘data indicate that all exposure pathways will contribute a higher Pu body burden to Bikinians than to New York residents. Since surface soil concentrations at Bikini are much higher than New York and the resuspended material created by a person in his immediate environment as a result of daily activities may be a more important factor for estimating the intake by resuspension inhalation ~ than open air Pu concentrations, we beTieve that the Pu intake via inhalation &7 7 ome at Bikini Atoll] would exceed that in New York. 009724 a : 4 iq ib