RE: 2 mrem/hr limit

["Dunn, Wes" <WDunn@intiso.com>]

Texas - for members of the public exposed to radiation machines [25 TAC
289.202(n)(1)(B)].  

Wes
Wdunn@intiso.com <mailto:Wdunn@intiso.com> 	


	-----Original Message-----
	From:	jack bell [SMTP:bellstar@erols.com]
	Sent:	Tuesday, July 06, 1999 7:55 PM
	To:	Multiple recipients of list
	Subject:	Re: 2 mrem/hr limit

	Whose (what country, state, etc.) has a "public primary dose limit"
of 500
	mrem/year.

	Jack Bell, bellstar@erols.com

	"J. J. Rozental" wrote:

	> The value of 0.25 mrem/hr was derived from the public primary dose
limit of
	> 500 mrem/year, 10 % of occupational primary dose limit of 5000
mrem/year
	> (2.5 mrem/year, 2000 hours/year). This was before the adoption of
the ICRP 60.
	> The ICRP 60 recommends that the constraints for the optimisation
of
	> protection in the design of new installations should be smaller
than 1 mSv
	> in a year.
	>
	> >
	> >
	> >
	> >
	> >
	> >>----------
	> >>From:         Malek Chatila[SMTP:mc02@aub.edu.lb]
	> >>Sent:         Monday, July 05, 1999 6:26 AM
	> >>To:   Multiple recipients of list
	> >>Subject:      2 mrem/hr limit
	> >>
	> >>Greetings,
	> >>
	> >>For I-131 inpatients that has been administered therapeutic
dose, does the
	> >>2-mrem/hr limit for the general public apply in the adjacent
room?
	> >>
	> >>Thanks in advance for your assistance.
	> >>
	> >>Malek Chatila
	> >>American University of Beirut
	> >>
	> >>
	> >>
	> >>
	>
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	>
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	> >
	> jjrozental
	>
	>
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