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RE: thoriated tungsten -Reply
If this worker is a user of licensed source though, could not a dose
from this unlicensed welding rod be counted against the regulatory
limits, since part of his dose comes from a licensed source?
Rafael G. Charris, TSgt, USAF, OHST, RRPT
Supervisor, Industrial Hygiene
Bioenvironmental Engineering
Osan AB, Republic of Korea
DSN 784-2623 Fax 784-2633
e-mail: Charrisr@usa.net
> ----------
> From: Kent N. Lambert[SMTP:lambert@auhs.edu]
> Sent: Tuesday, December 23, 1997 7:12 AM
> To: Multiple recipients of list
> Subject: Re: thoriated tungsten -Reply
>
> Part 40 exempts the use of welding rods from licensing.
> 10CFR40.13(c)(1)
>
> 10CFR20.1001 Purpose
> The regulations in this part establish standards for protection
> against radiation resulting from activities conducted under licenses
> issued by the NRC.
>
> It is the purpose of the regulations in this part to control ...
> licensed material ...
>
> 10CFR20.1002 Scope
> The regulations in this part apply to persons licensed by the
> Commission...
>
> It seems pretty clear that Part 20 does not apply.
>
> On 22 Dec 97 at 15:58, Kenneth Prendergast wrote:
>
> > Without looking at Part 20, I think it depends on the extent the
> > worker is documented in the license. If the worker is listed as a
> > user, than I think the portion of Part 20, that includes dose from
> > unlicensed sources could be used to regulate the dose. However, if
> > the worker is not listed on or tied to the license then this dose
> > does not fall under Part 20. '
> >
> > KMP@ NRC.GOv. These are my comments and not those of the agency>
> Kent N. Lambert, M.S., CHP
> lambert@auhs.edu
> Allegheny University of the Health Sciences
> Hahnemann Division
> Radiation Physics and Safety, MS 106
> Broad and Vine Streets
> Philadelphia, PA 19102-1192
>
> 215-762-8768 (voice)
> 215-762-7683 (fax)
>
> Disclaimer: All opinions are well reasoned and insightful.
> Needless to say, they are not (necessarily) the opinions of my
> employer.
>