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RADAR Home Page


On-Line Decay Data
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On-Line Model Dose Factors

Occupational Dose Factors
Nuclear Medicine:


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Monte Carlo Applications
External Point Source
Beta Dose to Skin
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Ground Contamination
Medical Sources




System Overview
Internal Dose System
External Dose System
Decay Data
Kinetic Data
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 MAYFLY CUERO PREMIUM OFF WHITE SMOKEY BLUE 816548 100 NUEVO Zapatillas de running Nike AP24 de algodón para mujer Foto azul / blanco C / A N O 166 , Nike Air Jordan 7 Mujeres | Zapato de los hombres | , Zapatos Nike Md Runner 2 para hombre (entrenadores) en multicolor para hombres | Nike Air Max Wholesale Online, comprar Nike Air Max para mujer , Nike Nike Running Shoes Nike Dual Fusion ST Compra en línea Nike Zoom KD 9 University Red White negro verde para hombre nike roshe run hyp zapatos , Zapatillas para correr Nike Air Max 270 para hombre KPU SKU: 22210 342 Envío gratuito Zapatillas Nike Untold Truth Air Max 90 | , nike air jordan 33 Oferta, hasta 42% Descuentos , Precio de venta razonable y marcas reconocidas Nike Nike KD 8 Outlet , Zapatillas Nike Air Jordan 11 Retro (378037 003) Negro / Concord , Nike LeBron 13 Elite Gold | Compre Violet / Purple / Volt W Free RN Distance 2 Running by Nike Running , Zapatillas Nike Air Huarache Run Hombre NAHM030 | Mochila nike elite usa, Nike Air Max 87 Tape Luminous Red men mujeres Nike Nke Free Tr Fit 5 Prt Estilo para mujer: 704695 Preferencias Nike Blast Total Crimson Total Crimson White Pink Air , Nike Wmns para mujer Air Max Thea Ultra FK Pure Pure Pure para mujer , Revestimiento de malla RD55 Nike Zoom Hyperfuse Basketball Gym Blue para hombre , Zapatillas de running Nike Rosherun Roshe One Run Grey White para hombre Nike Air Max 95 Ultra Jacquard Black Volt Sneaker Bar Detroit , 1120 mejores imágenes de Air Jordan 12 en Pinterest | , nike roshe barato, Nike Air Max 90 zapatos mujeres AJ115, nike air max , Nike Zoom Streak Lt 3 crítica YouTube , nike air force 1 ultra flyknit, nike tiempo leyenda iv elite fg , nike roshe puntos blancos y negros, Nike boys sátira ii low top Zapatillas Nike para hombre: compre zapatillas Nike en línea para hombres y mujeres

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!]