ae its tik of. “pa “ % <F a .e “teBS 7 a A USFHS rad-chem laboratory was established in Honolulu, vy Hawali to support the off-site rad-safe program. Facilities, — 23equipment and personne] were available for: radiochemical *-28S analysis of air, precipitation, water,milk, food andsoil, The JS?facility remains in operation as a part of acontinuing pro Islands, Hawaiianteen “Sgram’of monitoring'several of theLo? “5 Sleenyirenmental Menttering : The: bicenvironmental program for Operation. Dominic was -.; “under AEC cuntract with the Universityof Washington, Zan40 in thebuy, potassium 4 and Nieteee deray —{&.- off the nuclei vf eartain redienctive elements. Most (if not alllthe Soe) r.qusly trom fission . products emit (negative) beta particics. I'hysically, 2 Qe direct 2 a * gloment which har entered the body (or & perticuler organi tu be decrensed #1 ye half of ita initia! valu: «+ = result of naturel. biolugical elinlnation ° ‘Th processes. | - .DOBE: A (total or accumulated) quantity of fonising ‘or nuclear) radiation. Phe term deve is often used in the sense of the exposure duse, expressed in it voentgens, which is o measure of the total amount of lunization that the |; are qeentity of radiation covid produce in sir. This should be distinguished . _ analysis. the University ’ of Washi sshington for complete » efrom the absorbed dose, given in reps or rade, which repreacnts the energy ° =, “absorbed from the radiation per grom of specified body tissue. Further, . ‘PRehe blological dose, in treme, ty a messure of the biclogici) cfTectivensee i , : . the radiation exposure. POSE RATE: As a ceneral rule, the amount of ionising (or nuclear) radiation” | “lected: by this group, USPHS off-site monitors furnished sam- tu i is identical with an electrdn moving ot high velocity. - pete particle af. “BIOLOGICAL HALF-TIME: The time required for the emount of a specified <4 ~:islands and Christmas Island to ascertain the radionuclide content of the samples collected. In addition to samples col- urned ‘ -.J@28.° BETA TWARTICLESAcherwedparticleof verysmallmasse1vitted spontune- af _ istuifs, marine life included, were made from ‘right off-site were radioactive et however. a majority of the samples ’ ‘BACKGROUND RADIATION: Nuclear (or ionizing) tadiation: anaing from _tdawithin the body and from the surroundings to whieh individuals are alweye 5 ap @apoeed, The main saurces of the natural background radiution are pulse :| 1 ". , “€ ier “and at Other Islands of the Central Pacific During Operation "? Dominic, 1962," UWFL-87, by Ralph Palumbo. ~ _ During the period April 7to July 29, 1962, collections of food- . periods. Part of these samples were scanned promr ly for 3 «. 4. i; Seattle, Wash. A final report of their data is found in “Radionuclide Content of Foodstuffs Collected at Christinas Island ples from areas not covered by the University of Washington ‘scientists. Approximately 8,000 samples were collected duringthe time which covered pre-testing, testing and post-teating ; GLOSSARY’ ey 4 i 4 i ' ey — e + *" mont external radiation background and changes in back. +. .‘ground levels if they occurred. : wie ee. aay “ xe ‘: an pry vy * _‘gonnel. The purposeof the background stations was to docu- + : d sre rE elLie oo aa Fy eenMiMibireer 4 wo a °. tuila,. Rarotonga, Wake Island, Kwajalein”Atoll, Tongataby “and Viti Levu were operated by Task ForceProject Groups or © 3% ~ eo “" Weather Groups and-on Nuku Hiva an:! Tahiti by French per. /. eee e i, te which an individual would be exposed or which he would receive per unit of time. “EXPOSURE, EXTERNAL: Exposure to radiation that is dviivered from a . - EXPOSURE. INTERNAL: Exposure to radiation delivered (rum a source in- 4 “s “4 * 34 geurce outside of the body. | " -4 tobe, ee : aee - “FAREBe cree ~ - oe smut ‘ Fh _ “agide the body. Strontium 90 lodged in the bones is ant canile of internal |! eBposure. “EXPOSURE, WHOLE BODY: Exposure that involves the whole body rather 4j “ ‘ ‘ than ¢@ specific organ. ¢ FALLOUT: The process ar phenomenon of the fallbeck to tac earth's surfars 5 of particies contaminated with radivaclive meteria! fiom the redio. active cloud. The term je also applied in & collective score lv the contami: 4 - Hated particulate matter iteslf. Tne carly (or lueal) sallset is defined, some what arbitrarily, as those particles whieh reach the earl sifhin ¥4 houre j ‘ -gtratosphere and are carried by winds to all partu ofthe caiit. ‘The delayed, Ay \ , after oe nucleer explenion. The delayed (ar world-wide: saliva? conseate of ints the } the emalier particles which ascend into the wpper Wroporpiiert and fallout is brought to earth, mainly by rein and anow, over extended periods | é ranging from months tn years. FISSION PRODUCTS: A general term for the comples mixture of aubatances | produced asa result of nuclear healan. A distharction aba oli made between: these and the d-re:! fesion products or fasion faginests vtich ave formed ! © Ravgrinespalty or fhe EReeta of Nuclear Weapons Gleeetor > Pecemerte UB Gere oes? Crintig (tee, Weshingtan. BO Routt Apri te! Furs ale he wt | t 48 49 t 1 \ ; x |