Safety_Series_041_1975 - gnssn - International Atomic Energy ...

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This publication is no longer valid Please see http://www.ns-iaea.org/standards/ TABLE XXXI. TYPICAL ENVIRONMENTAL SURVEILLANCE PROGRAM FOR A NUCLEAR POWER PLANT V ecto rs or in d ices R e la tiv e frequ ency A nalyses Sam p lin g lo ca tio n s S u rfa ce w ater R eceiv in g w aters o f th e fa c ility Bottom sed im en ts Ground w ater A ir: (a) In h a la tio n (b) Im m ersio n C ontinuous co m p o site or w eekly grab S em ia n n u a lly As a p p lic a b le (usually quarterly or annually ) H ig h -v o lu m e sam p les o cca sio n a lly L o w -v o lu m e sam p les d aily or w eekly D osim eters ch an ged m onthly Gross b e ta and g a m m a scans, period ic analysis for 3H with frequency a fu n ctio n o f the lev els m easured Gross b eta and g am m a scans Gross b e ta and g a m m a scans Gross b e ta and g a m m a scans o f filters and cartrid ges Integrated dose due to n o b le gases by ap p rop riate read er d ev ice S tream — ab ove and below the fa c ility ; reserv oir, bay, la k e — n earest sh o re lin e ; any nearby d o m estic w ater suppliers using the re c e iv in g w aters as a raw w ater source N ear re a c to r’s o u tfa ll or ab ove and b elow th e o u tfa ll i f th e re ce iv in g w ater is a stream Supplies w ithin 5 m ile s o f th e fa c ility Populated areas w ithin 5 - 1 5 m iles o f th e fa c ility 124 APPENDIX IV M ilk M onthly Q u arterly G a m m a-sp ectru m analysis for 131I 89Sr and 90Sr or to ta l Sr by b e ta analysis D airy herds w ithin 1 0 -1 5 m ile s o f th e fa c ility D airy herds w ith in 1 0 -1 5 m ile s o f th e fa c ility A q u a tic b io ta V a ria b le G am m a-sp ectru m analysis for sele cted rad ionuclides N ear th e re a cto r's o u tfa ll or above and below i f re ce iv in g w ater is. a stream Food crops and oth er v e g e ta tio n S easo n al tim e ) (b e fo re or at harvesting G am m a-sp ectru m analysis W ith in a 1 0 -1 5 m ile s radius o f the f a c ility S o il A nnually Sr and Cs or gross b eta P rev ailin g downwind d irectio n in n earest a g ricu ltu ra l areas
This publication is no longer valid Please see http://www.ns-iaea.org/standards/ APPENDIX IV 1 25 per gram of dried sample or less. The one exceptional sample contained 30 /jg U /g sample. The lim it derived on the basis of the chem ical toxicity of uranium is 220 jug U /g. Nuclear power reactors The Bureau of Radiological Health of the US Public Health Service has published several reports discussing monitoring program m es in place around existing power reactors [27-29] . Table XXXI below is extracted from one of their reports and sum m arizes a typical environmental surveillance program m e for power reactors. A programme sim ilar to that described in Table XXXI was recommended by the World Health Organization for surveillance around nuclear reactors and fuel processing plants. The main difference was the additional recommendation o f 3H, U and Pu analysis in samples of water and sediments. Description of the existing or planned environmental monitoring program m es at nuclear power sites are available through public documents filed with the <strong>Atomic</strong> <strong>Energy</strong> Com m ission or in some instances through open literature reports [30-32]. Environmental monitoring of ports and facilities for nuclear powered naval vessels was discussed iji a recent issue of Radiological Health Data and Reports [33]. Nuclear fuels reprocessing plants NFS Plant, New York The Nuclear Fuels Services plant in West Valley, New York, is the first private facility for reprocessing power reactor fuels in the United States. Two complementary environmental surveillance program m es are in operation around the site, one is maintained by the operator of the plant and one by the New York State Health Department. The plant is designed to process one ton per day of reactor fuel of 20 000 M W -d /t exposure. The plant operating license lim its the discharge of 131I to 3 C i/a and noble gases, essentially all 85Kr, to 10 juCi/a. About 40 000 gallons per day of liquid effluent are released through a series of ponds and lagoons and eventually into a nearby creek. Sampling is perform ed daily for gross alpha and beta analysis and weekly for isotopic analysis. Low concentrations of 58Co, 60Co,
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1M|137CJ g 1 litre 134Cs C 3 .5 lit
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