DOSES TO RAILROAD WORKERS FROM SHIPMENTS OF RADIOACTIVE MATERIALS
1988; Springer Nature (Netherlands); Volume: 57; Linguagem: Inglês
ISSN
0003-018X
Autores Tópico(s)Risk and Safety Analysis
ResumoFissile and high-level radioactive wastes are currently transported over long distances by truck and by rail transportation systems. The primary form of fissile material is spent reactor fuel. Transportation operations within the US Department of Energy (DOE) are controlled through the transportation operations and management system. The increase in the rate of shipments projected by DOE has generated increased concern by railroads that railroad workers may be exposed to increased levels of radiation and that exposures may be sufficiently high that a radiation protection program may need to be implemented. It is the policy of DOE to address such concerns in a timely manner. To address railroad concerns, the authors have estimated doses to railroad workers for two exposure scenarios that were constructed using worker activity data obtained from CSX Transportation for crew and maintenance workers. This characterization of railroad worker activity patterns includes a quantitative evaluation of the duration and level of exposure. The maximum individual doses for the shipments and scenarios considered in this paper and based on a line source model, together with dose limits expressed in regulation 10CFR20 and DOE dose limits based on publications by the International Commission on Radiological Protection are summarized.
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