ML19326A874

Responds to 710118 Transmittal of L Becka Protesting Facility Const Near Port Clinton,Oh.Forwards Press Releases Re Basis Radiaiton Protection Criteria Regulating Population & Personnel Exposure

ML19326A874
Person / Time
Site:	Davis Besse
Issue date:	02/23/1971
From:	Price H US ATOMIC ENERGY COMMISSION (AEC)
To:	Mosher C HOUSE OF REP.
References
NUDOCS 8003050775
Download: ML19326A874 (17)

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s' 9 CK "'." m,g f\\ TIIE NATION,*.L COUNCI' N RADLCION ~ s:,k,a D s ba }I c..f.:s PROTECTION AND !.:EMUREt.fCNTS fot additimal soforcJti n: W. R. t,cy. Esecu: eve Onceter FOR RELEASE AT . IlATsoNAL Couti:n. c:s RADIATIOtt 10:00 A.M. (EST) ON PiiOTECTION m f.EASUREr/ENTS 4201 CO.'etitCTICUT AVCt:UE, fl.Y/.. SUITE 402* January 26, 1971 Y/ASli!!iGTOfl. D. C. 2C003 ARCA CODE (202) 363 5044 A ten year study by the National Council cn Radiction Protection and Measurements (NCRP) has confirmed the validity of most of the basic radiation protection criteria presently used by governmental agencies to regulate the exposure of the population and of radiation vorhers. 'Our review of the current knculedge of biological effects of 'N. radiation exposure provides no basis for any. drastic reductions in the i recorn:nended exposure levels despite the current urgings of a few critics," said Lauriston S. Taylcr, of Washington, President of the NCRP. Dr. Taylor was one of the three spokesmen for the NCRP at a press conference held to announce a new Council report, NCRP Report No. 39, Basic Radiation Protection criteria. Also speaking at the press conference were li.M. Parker, of Richland, Washington, Chairman of the NCRP scientific committee responsible for the preparation of the report and V.P. Bond, of Brookhaven, New York, a member of the scientific committee. 4

1 3 The results of the Council's 10-year study confirmed the values i presently utilized for governing long-term cumulative occupational exposurc and exposure of the general public. Dr. Taylor emphasized that the najor thrust of the neu report -is that in only a few cases were modifications in the.previously utilized exposure levels required. lic pointed out that,the dose limits for individual 1 i memb,ers of the public remain at 0.5 rem per year and that the yearly dose limit of 0.17 rcm per person averaged over the population will continue. The rem and roentgen (R) are radiation units. The new recommendations lower the permissible exposure levcis a in a number of specific instances including the occupational expos'urc of pregnant uomen. Lower levels are also specified for exposure of the thyroid gland and parts of the nkin. The report also includes new dose limits for exposure of individuals working in radiation accidents or emergencies. Exposurc g .levcis for families of patients containing radioactive materials are also specified. - Regarding the occupational exposure of ' fertile women, the Council's recommendations specify that, "During the entire gestation period, the maximun permissible dose equivalent to the fetus from occupational exposure of the expcctant mother should not exceed 0.5 rem" (page 92). I e s e e e --e2 e --w .-w-,- -r =---+,------,+--*mw7 >--,,-,.e-w<

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1 Comment'ing on the basis for this recommendation, Dr. Bond stated, ] "There has been consider,abic controversy over the data on the biological effec's of exposure of the fetus. Some of this data comes from studies t of the effects of fetal irradiation incurred in pcivimetry (x-ray study of the' pcivis). At present, one cannot say definitely that such fetal irradiation 4 is capabic alone of prod 6cing an increased indicence of cancer or 1cukemia, but, on the other hand, we cannot say that lesser exposure is incapable of causing these effects. Thus, the Council had only one course open to it and that was to eahe the conservative assuaption that the lou doses associated with pelvimetry are capable of producing increased incidence. This led to the recomuendations restricting exposure of the fetus." In the chapter on specific radiation effects, the new report deals I with the indu'etion o'f thyroid tumors by irradiation stating, "Only in the case of thyroid tumors is' the evidence more than suggestive. Recent studies . of the !!arshallese [:tarshall islanders] have shoun the thyroid to be probably \\ j more sonstive than previously considered. A significant increment in the i J incidence of these tumors has been reported where x irradiation of the thynus gland'and surrounding' areas of the body of' infants has been administc' red in exposures of the order of 200 R and higher" (page 38). In connection with radiation exposure to others from patients who have been given radioactive materials, the new report summarizes the very detailed recommendations on this topic set out in NCRP report No. 37 which was published in 1970. The new report states (page 103): I I i e

. = _... -.. - d h 1 "The exposure of hospital patients to radiation from adjacent j patients contafning radionuclides should be kept to a practicabic minimum. The dose equivalent attributable to this radiation should not exceed 0.5 rem during a sing 1c' hospital admission. It.is considered unlikely that i more than one such hospital admission will occur in any one year. i 'I "There may be some relatively rare and unusual situations where j it would be necessary or highly desirable to send a patient home in spite i of his carrying a burden of radioactive material that could result ina dose to other persons in excess of 0.5 rem in one year. Such cases may l be permitted, as exceptions provided that: "(1) ho person under age 45 shall be permitted to receive a dose in excess of 0.5 rem in a year. "(2) No person over age 45 should be permitted to rcccive a dose in excess of 5 rems in a year. "(3) The circumstances leading to the decision to make an ' -exception, the evaluation of the exposure conditions and the means of' controlling individual exposure shall be documented. "(4) The local health authorities should be notified of the action."- 4 6 t t y -.2 -,r .,-wy ,r y

Discussing the, new report Mr. Parker pointed out that, "The Committee responsible for the preparation of the report made a major attempt to go back to first princip1cs and try to crect a logical coherent theory of the In the report uc say very flatly that we found this impossibic.

Thus, case.

the new report is as empirical and pragmatic as its predecessor. k'e point out that if uc had somehow filled in the missing scientific data and these had still pointed to any form of non-threshold situations, which I, for one, think they vil) when uc get the data, ec still would have to go beyond the realm of' scientific statenents and into that of value judgements. L'e mean to make no apology for that but uc do uake it sufficiently clear, I hope, that uc in the NCRP do not profess to be the solc arbiters of those judgements." "There appears to be a consensus of the informed scientific community that there is little need for concern over exposure at the levels roccamended \\ in the report, Dr. Taylor said. "Neverthclcss, it is the Council's position to encourage protection practices that are better than any prescribed minimum level and this position is evidenced by the requirement that radiation exposure be kept at a level as low as practicable." 1

"In cach case the lowest practicable level must be established in the best balanced in'tcrests of appropriate combinations of employers, \\ employces, practitioners of the healing ~ arts, their patients and their aides, and the general public " The President of the NCRP said, " Ultimately, realistic interpretation in various applications derives from public understanding of, and eventual approbation of, practices developed from recom.T.cudations of responsible technical bodies. In particular, it is believed that while exposures of vorhers and the general population should be kept to the lowest l practicabic Icvel at all tices, the presently pen::itted c posures represent a level of rich so small cc:apared with other haucrds of life, and so well offset by perceptibic benefits, that such' approbation vill be achieved when the infort.ed public review process is cor.:pleted," he concluded. t 4 4 e 6 S 9 9 O e

9" NATIONAL C

CIL ON RADIATIO:: PROTECTION /

MEASUIW:EiTS for additional infotmation: U.R. WEY, D:ccutive Director 4201 CO:::?:CTICUT AVE: Rid, X.U., Stin*C 402 January 19, ICf/1 UASliII CT(C, D.C. 20000 AREA CODU (202) 363-36% D1wArA% m 'O ~@~T . b 6 b .BACKGROLGD IM' OR"ATIO:: /CC'Jf TrE !!?. TIC':AL COU: ClL 0:1 R/OlKi10:1 PT:.0TECTIO:: RO lC/SLS.Ef2ilTS The 1:ational Council on Rcdiation Protection an:: Mcts ure:r.cnts (1CRP) is : nonprofit ccrporatica chcrtered by Congress to collect, enclyze, develop and disseminate inforx.ction and recommendations about radia tion protection ar.d measurcrc.cnts. The Council is made up of scientists uho share the belic,f that significent advances in radiatien protection and c.casuremente can be cchieved through cooperative effort. The Council is the successor to the unincorporatad association of sci-entists known as the 1:ational Comittee on Radiation Protection and Measurement cnd uas fore 2d in 1934 to carry on the work begun by the Coi.tnit tee in 1929 The work of the Council is carried out by 65 members (see attached list) and 150 pcrticipants serving on the 36 scientific c'o:unittecs. of the Council. The r.:cmbers and participants are drawn fron all the many disciplines that contribute to our understanding of the effects of radiation on n.an, and to the application of this knowledge in the formulation of recor:uendations on radiation protection and These include biology, physics, chemistry, radiology, measurement. genetics, pathology, mathmatics, dentis try, veterinary medicine and many others. The r,csulting diversity of vicupoints is valuable in the Council's efforts to develop recom endations representing the consensus of leading scientific opinion. Members and participants in the Council's program voluntarily contribute their services in support of the Council's objectives. Their ability and experience represent the cornerstone of the Council's program.

-~ - ~~ l 1 yhy the Work is Significantl impact on almost all ac-The work of thu NCRP has a significant create radiation. The tivitics in the United States which utilize or dical, industrial and recommendations of the Council arc important to mebif e, and to other state, governmental radiation.ucers, to the general pu h radiation matters. national and international groups concerned wiL h scientific basis Recontr.cadations developed by the Council provide t e Individuals and for radiation protection ef forts throughout the cou to these ree-onnenda'tfons to be sure that their equipment anMen-governmental groups conce information on radiation latest concepts of protcetion. improving protection ef, forts by disseminating Governmental organtxations y Cocmicsion and state protection look to the Council for guidance.such as the P h govurnments utilize NCRP recommencktions as t e scThe NCRP aise w h bodies concerned with radiation protection, such as t e protection octivitics. i [ mission on Radiological Protection. diation has found Similarly, the vork of the NCRP on measurement of ra j ld. Effcetivo dis-application throughout the United States and the vor ties and effects re-quires that the measurcuent techniques employethe United States and the w The 4 blishing the concencus units used, be compar able throaghoutCouncil contributes to blems. of scientific opinica en various weasurement pro How Doso the Council '.ccocalish its Ohicetives? i rec-The Council sccks to formulate f rom availabic informa t. ommendations on rcdiation protection and measuremend to one of the sci-f l this is possibic are idcntified and then re erreThe cotmittee, composed of experts l rea of entific committecs of the Council. having considerabic knowledge and cxperience in the particu ar a 4 l d recom-interest, examines the situation in detail and draf ts proposeil members l .These are then submitt'ed to the CouncFrequently, the recomme mondations. d stimulate research review before being published. out areas in which important data are missing an information. which contributes again to the body of availabic itself conduct any laboratory rescarch, 'j d States and, in While the Council does not i it has access to research programs throughout the Un te ticipatir" the _world through the more than 200 scientists pa i

fact, in its program.-

.cntific committees review the current statuWith Council members chos i tion and related to the task of the committee.all the many' scientific fic i measurement,' the.NCRP is in a position to mainta n c developments in all of these ficids. t Q 'O l D t l e c. F ggngF Lb b -.bl b

What are the Council's Current Proiccts? Currently, among the topics with uhich tl.e Council is concerned are basic criteria for radiation protection, radiation exposure from consumer. products, prote'etien against radionuclides in the environment, and measurement of environmental radiation. The Council han juct concluded a ten-year effort aimed at a re-formulation of the basic radiation protection criteria..The last compre-hensive statement on the bases of permissible rcdiation exposure was set out in UClP Report No. 17 published in 19%. For the last several years, the Council has been revicuing the vast accumulation of data and infor-matica developed cince the publicatica of that report and thus formulating the banc on ubich NCitP Report No. 39, Easic ltadiation Protection Cciteria, is built. The Council recognizes that an up-to-date statement of basic criteria requires a sustained effort to evaluato new developments in tacdical and radiobiological research and hence, has determined to operate on a continuing basis a program cencerned uith bccic criteria for radia-tion protection. For some years the Council has been carrying on scientific conc.ittcc activitics related to radiation hazards resulting fron the reletsc of radienuclides into the environ:..ent. The first of reports on this topic, those coverin,c radiouuclides of strontium and cesiuti, are expected to be 3 completed in the next feu months. This too, houcver, is a continuing j pregram and subcequently attention will be directed to other radionuclides. In recognition of the fact that radiation sources are being utilized increasingly in such a way that exposure of the population fr6n consumer products is possible, the Council has undertaken a study of radiction exposure from this source, nccont.cndations on this topic are cxpqcted to be coinpleted in about two years. The Council has organir.ed new scientific comnittee activitics related to environmental radiation measurement. These activities are just beginning but it is expected that they will result in recou.r.cnda-l tions relating to the adequacy of existing data and monitoring techniques, the imp.lications of envirotunental exposure icycls in the setting of permissibic limits and the measurement prob 1ces related to the release of various radioactive wastes into the environment. ~ lime are the Council's Projects Funded? The Council's activitics are made possible by the voluntary con-tribution of the time and effort of its members and participants, and the generous support of various organizations interested in radiation protection and measurement. It is also supported by contributionc from professional and scientific organizations concerncd uith radiation pro-tection and measurenent, by foundation and government grants, and.by con-tracts with various government agencies. The Council has an established policy of maintaining diversity in its sources of funds. D 110) JL 1ME e - ,m---- y -=-, c.--e ,,,,.-._,-n

Conclu0 ion Tbc MCRp socks to forr.:ulate inforr.ation and reconutendations based upon Icading scientific jud ; ment on r.atters of radiation protection and t incas urement, and to fos,ter cooperation among organizations concerned with these matters. These ef forts are intended to serve the public interes t by providing objective and scientific evaluacions of the benefits and risks inherent in the utilization of radiation and radioactiva materials. The Council sccks cut areas in which the develop:c. cut of rccon:nendationc on radiation protection and rc.casurer.ent can constitute a. contribution to the public welfare. The Council vill cont.inue to be alert for areas uhcre expanding technology brings forth new requirements for information and re con:nc nda tions. 6 9 e e G e 9 O 9 4 0 0 O 9 D D) Wvb s 4 A. w

MEMBERS OF T12 COUNCIL Seymour Abr banson Jarcs T. lirennan i~ Associate Prof. of Zoology Dept. of Radiolo3y and Cenetics University of Pennsylvania Zoolo;;y Resce.rch BuildinS 3100 spruce Street 4 1117 Ucst Johnson Street Philadelphia, Pounsylvania 1910!; Madison, Wisconsin 537G3 Pcynold F. Ercun 3 i Edward L. Alpen Office of Environ =:ntal Ucalth i Manager, Environmental S: and Safety Life Sciences Di. vision University of Califernia Battelle Northtest Laboratories San linneisco Medical Center i P.O. Box 999 13% Third Avenua Richland, Washington 99352 San Francisco, California 95122 E.C. Barnes Aus(in li. Brucs Diccctor, Radir. tion Protection Division of Siological and Uc.stinghoucc' Electric Corpora tion Medical Reaccrch 3 cateway Center, nox 2?73 Arsonne istional Lcboratory Pittsburgh, Pennsylvania 15230 Argonne, Illinois 6cWo John C. Lugher Herrill A. Bender [ Deceased) Chief, Department of Nacicar Hadicine William W. Burr, Jr. Roswell Park Memorial Institute Chief, Medical Research Ercach 1 666 Elm Street Division of Biology and Medicine Buffalo, New York 11203 U.S. Atomic 1:ncrgy Commission 4 Washington, D.C. 203k5 Victor P. Bond Leo R. Eustad Associate Director Director, Radiobiology Laboratory Brookhaven National Laboratory University of California, Davis Upton,1.I., New York 11973 Davis, California 95616 Ccorge W. Casarett Frederick J. Bonte Departn:ent of Radiation Biology Chairman, Dept. of Radiology University of Rochester University of Texas Southwes tern School of Medicino Medical School P.O. Bos 267, Station 3 5323 narry 111nes Blvd. Rochester, Neu York 11:627 I Randall S. Casuel1 Carl B. Braestrup Deputy Director of Center for Box ll ? Radiation Research il Cuilford, Connecticut C61sT/ National Dura of Senada Of

{ rds Washington, D aw1 ID

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Richard 11, Chambc: in Mr. U Flechenstein Dirc'ctor, Department of Radiology Consultant, Industry Codes & llospital of the University of . Standards Pennsylvania General Electric Company 3hoo Spruce Street i niver noad, nida. 36-511 Philadelphia, Penna.* 1910'; Schenectady, New York 12305 ( Cyril L. Comar Richard F. Foster Head, Department of Physical Senior Research Associate Biology Environmental and Life Sciences New York Stanc Veterinary Co11cac Division Corncil University Battelle North.rcs t Ithaca, New York 14850 P. O. Eo>: 999 Richland, Unshington 99352 Frederick P. Cowan Ucud, Ucalth Physics Division Robert O. Gorsen Brookhaven National Laboratory Stein Research Center

Upton, L.I., New York 119/3 Du P" r t' * ": of Radiology 4

Jefferseu Medical Colletc 920 Chancelor Street Charlos L. Dunhou Philadelphia, Penna 1910~( Chairman of Division of Medical Sciences National Adademy of Sciences Willica T. Ham, Jr. 2101 Constitution Avenue, M.W. Department of Diophysics Washington, D.C. 20418 Medical College of Virginia Ucalth Sciences Division MCV Station Bo:: 6'(7 Merrill Eisenbad Richmond, Virginia 23219 New York University Medical Center Institute o.f Environmental ~ J hn W. Healy Medicinc }I-1, University of California 550 rirst Avenue, noom 559 L s Alam Sci ut m e 1.aborctory Neu York, New York 10007 P.O. Box 1663 Thomas S. Ely Los Alantos, Neu Mcxico 875h4, Laboratory of Industrial Medicine Kodah Park Divisien John M. Heslep Eastman Rodak Conpany - Chief, Enviro: mental Ucalth'and Rochester, New York 14650 Consumer Protection Program State Department of Public Health 215) Ecrhcley way Robicy D. Evans Ecrkc1cy, California LK2partn.cnt of Physics 94704 Massachuscces Institute of Technology John S. Laughlin Room 6209, 77 Massachusetts Avenue Department of Medical Physics Cambridge, Massachusetts 02139 Memorial Hospital h44 East 60th Street New Yori F ' rh 10021 Titus C. Evans M licad, Radiation Research Laboratory hi U] [ College of MedicInc i University of Ioua pgq I Icnia City, Iowa 52240 U$u( y1 A g . - - + ~op- -wy 2 -g wr- =w?my=- 4

Ccorge'V. LeRoy IIerb-t M. Parker

• Director of Univt..,ity Ucalth En ttule-Nor tir.ics t Services and Professor of Stedicine P.O. Box 999 The University of Chicago Richland, Washington 99352 950 East 59th Street Chicago, Illinois 6?637 i

Radiology Departmont Charice W. Mays College of Medicine College of Physicians t.nd Surgeons Coluuhia University Department of Anstomy, Radiobiology 630 Ucst 168th Street Di. vision New York, New York 10032 University of Utah Salt Lake City, Utah 81112 1 Antolin Raventos l School oi Medicine Dade U. Moeller l Associate Director University of California Krcsgo Cent:cr for Environ:r.cntal Davis, California 95616 Health 11arvard University School of Public Health 665 nuntington Avenue villiam c. Roesch Boston, Massachusetts 02115 Connulting Radiological Physicist i Ba t te lle-Mor thues t Karl 4'. Morgan P.O. Eox 999 Director, Health Physics Division Richland, Washington 99352 Oka Ridge, Tennessco 37831 Harald H. Rossi Russell H. Morgan Radiological Research Lab Columbia University Department of Radiological Science - 630 West 16cch strcot Johns Hopkins School of 11ygiene a Public Health New York, Uc37 York 10332 ~ 615 North Wolfe Strcot Baltimore, Maryland 21205 Uilliam L. Russell ] Oka Ridge National Laboratory Robo)-t D. Moseley, ' Jr. Biology Division, P.O. Box Y Department of Radiology ' Oak Ridge, Tennessco 37831 University of Chicago 950 East 59t'h Street - l Chicago, Illinois 60537 John H. Rust University of Chicago A.J..Carlson Animal Roscarch Robert J. Nelsen Facility American College of Dontists 950 East 59th Street 7316' Uisconsin Avenue Chicago, Illinois 6C637 Bethesda, Maryland 20011 5 Eugene L. Saenger Eugene F. Oakberg Radioisotope Laboratory Biology Division Cincinnati General Hospital Cincinnati i 4' 5 Oak Ridge. National Laboratory _4 P.O. Dox Y D' ' 0 Oak Ridge,Tonnessec 37831' @WL ~ [ $qAbFG' --n

L Harry Fo Schulto John 11 Tolan Crobp Lead r, Indu. cial Hyt;ienc Radiot. a Safety Officer Group University of Missouri Los Alamos Scientific Laboratory Columbia, Missouri 65201 H-5, OlfL Uuilding P.O. 11ox 1G63 Los Alamos, Now Mexico 875 fit 6 E. Dale Trout X-Ray Science & Engineering Lab. F.J. Shore Oregon State University Department of Physics Corvallis, Oregon 9/331 Queens Collego Flushing, New York 11367 Bernard F. Trum Director Ecu England Regional .. Primate Research Center 11arvard Medical School Warren K. Sinclair 25 Shattuch Street Argonne National Laboratory lioston, Mar.sachusetts 02115 Division of Biological & Medien1 I'" Research 7(00 South Cass Avenue Arthur C. Upton Argonne, Illinois 60440 11calth Sciences conter State University of New York at Stony Drook J. Newell Stannard Stony Brook, New York 11790 Departinent of Radiaton Diology & Biophysics Universi.ty of Rochester, Niel Unid School of Medicine Director, Radiation Hccith Division P.O. Bo): 207, Station 3 University of Pittsburrh Rochester, New York 1h6,20 'Craduate School of Public Health Pittsburgh, Pennsylvania 15213 John D. Storer Cha Ridge National Laborator'y Shicids Unrren Nucicar Divison P.O. Ilox Y Cancer Research Institute New England Deaconess Itospital Oak Ridge, Tennessee 105 Pilgrin Road 4 Boston, Massachusetts 02115 Lauriston S. Taylor National Council on Radiation Protcetion and Measurements Eduard W. Webster h201 Connecticut Avenue, N.W. Departtnent of Radiology Washington, D.C. 2C000 Mas'sachusetts Cencral Hospital Fruit Street James C. Terrill. Jr. y2oston, Massachusetts 0211h i Westinghouse Elcetric Co. Environmental Systems Dept. Forrest Ucstorn P.0; Box 355 Pitedburgh, Pennsylvania 15230 Director, Division of Radiological Protection Standcrds U.S. Atomic Energy Co:maission Washington D.C. 205I5f oPGB d> s 1 1 g 0 9'T , S. $ h ,.O

Clydcr M. Ui.111ons Prof. & Chairman, Department of Itadiology University of Ficrida-Gainesville Teachinr, Itospital' and Clinics Cainesville, Florida 3F.601 EN91nC.Uilliams 6960 Colcate Road Jacksonville, Florida 32201 Marvin D. Uilliams 1013 Second Street, N.U. Rochester, Minnedota 55901 11arold O. Uyckoff Deputy Director Scientific Armed. Forces Radiobiology Resecrch Institute Defensa Atcmic Support Agency Ecthesda, Maryland P.0011 4 e t G 4 O G 4 e e S 9 a11 m v JU S _1_ .a e G S e}}