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On-Line Decay Data
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Occupational Dose Factors
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Monte Carlo Applications
External Point Source
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Ground Contamination
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System Overview
Internal Dose System
External Dose System
Decay Data
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Risk Models

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Welcome to RADAR - the RAdiation Dose Assessment Resource

... now with 27% more 'clickedy' stuff than any other dosimetry site!

Welcome to the RADAR web site, in which we seek to provide information on dose assessment models and methods for the 21st century. Our goal is to bring together the various resources that exist in the areas of internal and external dose assessment, integrate them into a single system, and put them in your hands as quickly and efficiently as possible. In this new age of internet access to information, we want to make information from this particular area of science available as quickly as possible in a form that is easy for you to use. If a new model or method is proven to be of value and the results valid, it will appear as soon as possible on the RADAR. If you have a new model to propose, send it in for evaluation. If it's something needed by the user community and the results are sound, we'll put it on the RADAR.

RADAR Changes the Dosimetry World!

RADAR has updated the dosimetry world by replacing the old, 'stylized' dosimetry phantoms of the 1980s and 1990s:

...with image-based, voxelized models:

The new phantoms were used with various biokinetic models and the OLINDA/EXM 2.0 software code to produce two compendia of dose estimates for many radiopharmaceuticals, one for adults and pediatric subjects, and one for women at different stages of pregnancy.

Information about OLINDA/EXM 2.0 is found here.

Hey, non-gender-specific individual, you HAVE to check out this * * * Cool Stuff * * *
(we used to say 'hey man', but we got a lot of angry letters)

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... the non-scientific Linear, No-Threshold (LNT) model of radiation carcinogenesis. DNA repair deniers take note!!!

RADAR members have now compiled a listing of over 1000 specific gamma ray constants, based on the recently released ICRP decay data series. Get a copy for you bad seff right heeeeeeeeeeeere.

Roentgen Shrugged! Why? You'll just have to read the Health Physics Newsletter article at this page to find out.

Check out the RADAR nuclear medicine patient exposure radiation dose calculator. It performs dose calcultions for release of radioactive nuclear medicine patients and dose from other related situations.

Updated plain film x-ray and CT dose data (from the CRCPD's NEXT-2007 report) in our handy dandy Dose/Risk Calculator for standard medical examinations

Is it SAFE? Do you think so? You might be surprised by our analysis of what is and isn't safe, according to US regulations about ionizing radiation. See what you think, and take the short quiz at this page. Nike Zoom Size 6Y | , 100% Originales Nike Air Huarache Ultra Unisex Gris / Blanco 819151 003 , Zapatillas de running Nike Womens s Air Max 90 275102 037 [5207137982 , Nike Nike Nike Roshe Run oferta barata para mujer, esta temporada es la más popular Nike Air Force 1 PS negro 314193 009 EE. UU. | , 100% de garantía de satisfacción: en línea, Nike Nike Air Presto Shoes Store Colección fabulosa Nike Nike Womens air jordan 5 EE. UU. Factory Outlet nike huarache calza la juventud, zapatos de huarache nike air para mujer , nike air zoom 90 todo zapatos negros australia Nike Air Max 1 Safari Gray Air Force 1 Refinamiento de mujer Nike Zoom Hyperdunk 2017: Ordena zapatos Nike baratos para mujer y hombre Zapatillas Nike Air Zoom Pegasus 32 para mujer 549120 2808 Negro , Cheap Nike Air Zoom Fearless Flyknit Metálico para mujer Nike Zoom Stefan Janoski CNVS Goma negra / blanca marrón claro | , Instinto de tren gratuito de Nike: compra zapatos Nike en línea para hombres y mujeres Nike Dunk Low Flyknit 917746 600 2018 Envío gratis, precio: Barato Nike Zoom LeBron Soldier 10 Ohio State Red White UK En línea Barato Zapatos Vlone X Nike Air Max 97 OG Negro Naranja Zapatos Para , barato air max 90, mujer Nike SB Paul Rodriguez 9 gris carbón negro , chic Nike Air Zoom Moire + Free Flyknit Nike ID de hombre de segunda mano , Zapatillas Nike zapatillas negras y rosadas, Nike Air Huarache Run White Sport , Obtenga lo mejor con Nike Air Max 90 hyperfuse breathe essential , Nike air max 1 mens zapatos todo negro mejores materiales, baloncesto nike Zapatillas de deporte Nike Cortez Ultra Moire tamaño Reino Unido UE 42 845013 001 OFF WHITE y Nike Prepárate para una segunda ronda con Nike Air Nike Nike Running Nike Tienda de hombres gratis, Nike Nike Running Nike , Tienda en línea de nike, Nike Lebron 8 China White White , Nike CTR360 Maestri III ACC Blanco / Negro carmesí total Leer todo HOMBRE NIKE AIR PRESTO TALLA 12 | Jersey de hockey de los Estados Unidos equipo nike, Air Jordan 7 Raptors de las niñas retro negro ,

An ANSI standard has been published about fetal dose calculations, in radiotherapy, nuclear medicine, diagnostic radiology, and the general workplace, with a discussion of how to interpret and communicate calculated doses to a pregnant woman and/her physician (the latter by Dr. Robert Brent, head of the Clinical and Environmental Teratology Laboratory at Jefferson Medical College and duPont Hospital for Children). This document is free to Health Physics Society Members, or at a low cost to the general public. A RADAR member contributed to this document and chaired the working group.

A lot of people out there want to scare the heck out of people with estimates of cancer risk from low dose medical procedures. Everyone knows that the benefits of the medical exams far outweigh whatever theoretical cancer risks may (or may not) exist at these low levels. Well finally, Dr. Pat Zanzonico of Memorial Sloan Kettering Cancer Center has evaluated the magnitude of the BENEFITS of a few medical procedures that involve radiation and compared them numerically to these theoretical cancer risks. This eye-opening analysis can be found here. Everyone agrees that exposures should be kept as low as reasonably achievable, and that unnecessary repeated examinations using radiation should be avoided. At the same time, though, we should appreciate these large benefit/risk ratios and not avoid necessary medical examinations.

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RADAR Decay Data Viewer

Download the Visual Monte Carlo Program (External dose Monte Carlo simulator)

Radiation-related music - just for fun

BREAKING NEWS....RADAR researchers discover rarest substance in universe...

Click on the image to uncover its amazing identity!!!!!!

Hey we didn't even have funding for that research. But since we got that figured out, we've been pretty busy on some writing projects....

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This one has problems with worked solutions for many of the chapters. You can preview the Table of Contents here. You can download the Word files for this right heeeeeeeeeeere. The problem files are available to all, but the solutions files are password protected. The password can be obtained by emailing the author. If he can tell you aren't a student doing homework, that is....

The 'Fundamentals of Nuclear Medicine Dosimetry' is like the 1988 MIRD Primer - theory of dosimetry, discussion of models, and lots of worked out examples. You can preview the Table of Contents here. The Primer was a good start, but this is like long-lasting RADAR paint that is guaranteed to transform your lackluster dosimetry results into shining, durable perfection. Beware of faux finishes by other groups which may be unreliable and may not provide adequate coverage.

Springer did a great job on these. Get yours now at Amazon by clicking either of the book cover images above.

RADAR is a working group of professionals from several countries and disciplines. We believe in facilitating the work of people like you, who need dose assessment models, methods, and results for your work. We have designed this site to be especially useful to those of you in third world or developing countries, where access to some published materials may be difficult to obtain. Our goal is to continually propose and create new and better ways to get this work done, to collect and organize such information from other sources, and to put it on this site as soon as it is available and tested, for you to use.


[Seen near the Vanderbilt campus in Nashville, TN. We're not too sure just what "A Maverick Radar Guides Fate" really means, but we agree completely nonetheless!]