SEDIMENTATION OF RADIOACTIVE WASTES IN THE SEA
Technical Report
·
OSTI ID:4062991
Sedimentation, if it occurs at large distances from shore able process in effective radioactive waste disposal. Being a concentrating process, however, it can enter into one of the routes of radioactivity from the sea to man through contamination of fish products, edible sea weed, fishing gear, and beaches. Flocculation, sorption, precipitution, and ion exchange reactions would probably occur freely in Pacific coastal waters, because of the presence of silt-laden water from the Columbia River, Fraser River, and other western streams. While turbid waters from runoff and coastal pollution can be expected to contribute to substantial sedimentation, no quantitative values can be assigned for this effect. Provided that it removes the radioactive wastes from man's environment and deposits them in areas where they can do no harm, sedimentation can be considered as a safety factor in estimates of maximum permissible release of radioactive wastes. If contamination of marine products by ingestion and sorption of the precipitated waste occurs, the effect that this would have on man's uptake of radioactivity through utilization of the products must be taken into account in evaluations. A review is givsn of the investigational results on radioactive waste discharge into the Irish Sa from the Windscale Works, England. A large propontion of the released radioactivity has been found in the sea bed near the outfall. Sa waters in this area are almost completely mixed ventically and contain a high concentration of suspended material. There is no reason to believe that liquid radioactive wastes discharged off the Pacific Coast of Nonth America would behave in the same way as those relsased into the Irish Sa, in view of the different oceanographic conditions. A series of studies in ths field and laboratory needed to elucidate some of the problems related to sedimentation of fission-product elements is suggested. 37 references. (auth)
- Research Organization:
- Canada. Fisheries Research Board, Nanaimo, B.C.
- NSA Number:
- NSA-15-014043
- OSTI ID:
- 4062991
- Report Number(s):
- NP-9905
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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