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Re: Dirty Bomb Rescue Worker



Manual of Protective Action Guides and Protective

Actions for Nuclear Incidents 



http://www.epa.gov/cgi-bin/epaprintonly.cgi?name=simple









On Mon, 15 Dec 2003 11:17:33 -0500, "John  Wills" wrote:



> 

> EPA-400-R-92-001, May 1992, USEPA Manual of Protective

> Action Guides and

> Protective Actions for Nuclear Incidents, ..."provides

> radiological

> protection guidance that may be used for responding to

> any type of nuclear

> incident or radiological emergency, except nuclear

war."

> 

> Table 2-2 Guidance on Dose Limits for Workers

> performing Emergency Services:

> 

> dose limit: 5 rem TEDE for all activities, except

> 10 rem TEDE for protecting valuable property ( when

> lower dose not

> practicable), and

> 25 rem TEDE for lifesaving or protection of large

> populations (when lower

> dose not practicable, and

> >25 rem TEDE lifesaving or protection of large

> populations (only on a

> voluntary basis to persons fully aware of the risks

> involved).

> 

> FRMAC Radiological Emergency Response Health and

Safety

> Manual

> (DOE/NV/11718-440, May 2001) adopts same limits for

> Federal responders.

> 

> 

> ----- Original Message -----

> From: <rob.w.powell@exxonmobil.com>

> To: <radsafe@list.vanderbilt.edu>

> Sent: Monday, December 15, 2003 9:28 AM

> Subject: Dirty Bomb Rescue Worker

> 

> 

> > During the last 2 years of discussions about dirty

> bomb response, did

> > anyone see/develop a maximum exposure limit for a

> rescue worker?  For

> > instance, a bomber explodes the bomb but the gamma

> source just becomes

> > unshielded, it doesn't disperse to any extent.  An

> injured, immobile,

> > bleeding employee is in the 'hot zone' near the

> source, and a rescue

> worker

> > arrives with a Geiger counter.  As he/she approaches

> the employee while

> > reading the Geiger counter, at what reading

(exposure

> rate) should the

> > rescue worker stop after determining that his/her

> risk of death during the

> > rescue is as great as that of the bleeding

employee's

> death?  We've been

> > assuming that the rescue worker takes 15 minutes to

> remove the employee

> > from the hot zone (< 2 mR/hr).  This all may seem

too

> dispassionate, but

> we

> > have guidance about rescuing employees who have been

> electrically shocked,

> > been overcome with gases, etc.

> >

> >

> >

> > -Rob Powell

> > ExxonMobil

> > Safety, Health, & Environment

> >

> >

> >

>

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> >

> 

>

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