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Safety_Series_041_1975 - gnssn - International Atomic Energy ...

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This publication is no longer valid<br />

Please see http://www.ns-iaea.org/standards/<br />

APPENDIX IV 1 25<br />

per gram of dried sample or less. The one exceptional sample<br />

contained 30 /jg U /g sample. The lim it derived on the basis of the<br />

chem ical toxicity of uranium is 220 jug U /g.<br />

Nuclear power reactors<br />

The Bureau of Radiological Health of the US Public Health<br />

Service has published several reports discussing monitoring program m es<br />

in place around existing power reactors [27-29] . Table XXXI<br />

below is extracted from one of their reports and sum m arizes a<br />

typical environmental surveillance program m e for power reactors.<br />

A programme sim ilar to that described in Table XXXI was<br />

recommended by the World Health Organization for surveillance<br />

around nuclear reactors and fuel processing plants. The main<br />

difference was the additional recommendation o f 3H, U and Pu<br />

analysis in samples of water and sediments.<br />

Description of the existing or planned environmental monitoring<br />

program m es at nuclear power sites are available through public<br />

documents filed with the <strong>Atomic</strong> <strong>Energy</strong> Com m ission or in some<br />

instances through open literature reports [30-32]. Environmental<br />

monitoring of ports and facilities for nuclear powered naval vessels<br />

was discussed iji a recent issue of Radiological Health Data and<br />

Reports [33].<br />

Nuclear fuels reprocessing plants<br />

NFS Plant, New York<br />

The Nuclear Fuels Services plant in West Valley, New York,<br />

is the first private facility for reprocessing power reactor fuels<br />

in the United States. Two complementary environmental surveillance<br />

program m es are in operation around the site, one is maintained by<br />

the operator of the plant and one by the New York State Health<br />

Department. The plant is designed to process one ton per day of<br />

reactor fuel of 20 000 M W -d /t exposure. The plant operating<br />

license lim its the discharge of 131I to 3 C i/a and noble gases,<br />

essentially all 85Kr, to 10 juCi/a.<br />

About 40 000 gallons per day of liquid effluent are released<br />

through a series of ponds and lagoons and eventually into a nearby<br />

creek. Sampling is perform ed daily for gross alpha and beta analysis<br />

and weekly for isotopic analysis. Low concentrations of 58Co, 60Co,

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