[ RadSafe ] RadSafe Digest, Vol 445, Issue 1

[Edmond Baratta]

John:

You are correct about the Microwave Ovens.  They are tested at their 
facility in Winchester, MA (the Winchester Engineering and Analytical 
Center).  The X-Ray Machines are Inspected by either FDA Investigators or 
State Investigators.

Ed Baratta

edmond0033 at comcast.net

--------------------------------------------------
From: "Dixon, John E. (CDC/ONDIEH/NCEH)" <gyf7 at cdc.gov>
Sent: Thursday, October 28, 2010 3:30 AM
To: <radsafe at health.phys.iit.edu>
Subject: Re: [ RadSafe ] RadSafe Digest, Vol 445, Issue 1

> I believe the FDA only "regulates" such devices when they are 
> manufactured. The standards (radiation leakage) change once devices like 
> these are purchased and operated by users. One example of this kind of 
> device is a microwave oven. The FDA can and does perform radiation surveys 
> on such devices on a periodic basis. I recommend that you check out their 
> website for more details.
>
> Regards,
> John Dixon
>
> ----- Original Message -----
> From: radsafe-bounces at health.phys.iit.edu 
> <radsafe-bounces at health.phys.iit.edu>
> To: radsafe at health.phys.iit.edu <radsafe at health.phys.iit.edu>
> Sent: Wed Oct 27 17:13:40 2010
> Subject: Re: [ RadSafe ] RadSafe Digest, Vol 445, Issue 1
>
>
>
>
>
>
>
>
>
> Good afternoon, all:
> I am not sure if anybody else has addressed this.  These mobile scanners 
> use backscatter x rays.
>
> In the US, the NRC or an agreement state agency has licensing authority 
> over radioactive materials.
>
> But the Food and Drug Administration (21CFR, if I remember correctly) 
> writes the rules for devices, such as x-ray units, that generate ionizing 
> radiation.  Years ago, the particular agency under FDA was CDRH, the 
> Center for Devices and Rad Health.  They may have changed their name since 
> then.
>
> I am not sure if the FDA has written any standards or rules controlling 
> the use of these devices.
>
> Regards,
> John Aperans, RRPT
> Clinton, TN, USA
> Writing this from home, not at my place of employment
>
>
>
> ------------------------------
> Message: 3
> ate: Wed, 27 Oct 2010 00:11:01 -0700 (PDT)
> rom: Ahmad Al-Ani <ahmadalanimail at yahoo.com>
> ubject: Re: [ RadSafe ] interesting new question
> o: radsafe at health.phys.iit.edu
> essage-ID: <448767.51487.qm at web111715.mail.gq1.yahoo.com>
> ontent-Type: text/plain; charset=us-ascii
> As the doses are so low, what difference would it be from all those 
> security
> amera's in public areas?
> Anyone have access to licensing procedure for these devices? such as 
> guidelines
> f operation, license application forms and requirements, etc.
> Ahmad
> On Tue, 26 Oct 2010 20:58 AST Stabin, Michael wrote:
>>
> http://www.foxnews.com/scitech/2010/10/19/x-ray-vans-security-measure-invasion-privacy/?test=latestnews
>
> This particular application of radiation raises some interesting new 
> questions
> n the justification-regulation-optimization philosophy of health physics 
> (I
> ave always thought that optimization comes after regulation, although the 
> ICRP
> ists them in the opposite order). Exposing unknowing persons to radiation
> admittedly low level) to ostensibly prevent terrorism, particularly when 
> the
> xposed persons may not be citizens of the country doing the irradiatiing, 
> is a
> ew balancing of risks and benefits that has not been part of the normal
> quation until now. And the balance is different if we are talking about 
> daily
> creening of everything or particular screening of containers, naval 
> vessels,
> tc., in the case of a specific, credible risk scenario. Fun stuff
> hilosophically, frightening stuff practically.
>
>
> Mike
>
> Michael G. Stabin, PhD, CHP
> Associate Professor of Radiology and Radiological Sciences
> Department of Radiology and Radiological Sciences
> Vanderbilt University
> 1161 21st Avenue South
> Nashville, TN 37232-2675
> Phone (615) 343-4628
> Fax   (615) 322-3764
> e-mail     michael.g.stabin at vanderbilt.edu
> internet   www.doseinfo-radar.com<http://www.doseinfo-radar.com/>
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