ML19257D785: Difference between revisions

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Our film badge contractor has reevaluated the film in question, and today we received a corrected report from them. A mistake was made on the initial evaluation / report, and the actual reported doses should have been 40 mrem penetrating dose and 140 mrem beta dose. These numbers are reasonably censistent with what mignt be expected for exposure of the badge to the uranium-oxide gla::ed dish as outlined in our earlier letter. The high energy beta from 234Pa would, in our experience with dosimetry of beta radiation, account for the apparent 40 mrem penetrating dose reading.
Our film badge contractor has reevaluated the film in question, and today we received a corrected report from them. A mistake was made on the initial evaluation / report, and the actual reported doses should have been 40 mrem penetrating dose and 140 mrem beta dose. These numbers are reasonably censistent with what mignt be expected for exposure of the badge to the uranium-oxide gla::ed dish as outlined in our earlier letter. The high energy beta from 234Pa would, in our experience with dosimetry of beta radiation, account for the apparent 40 mrem penetrating dose reading.
We regret any inconvenience to you in consideration of these notifications.
We regret any inconvenience to you in consideration of these notifications.
                                                            .          _  .
Very truly yours, h,, x M                      1927 282 George E. Chabot Radiation Safety Officer GEC/rb 0
Very truly yours, h,, x M                      1927 282 George E. Chabot Radiation Safety Officer GEC/rb 0
cc:  Director of Inspection and Enforcement U.S.N.R.C.
cc:  Director of Inspection and Enforcement U.S.N.R.C.
Washington, DC 20555 8002 06 0 4 +S}}
Washington, DC 20555 8002 06 0 4 +S}}

Latest revision as of 23:24, 1 February 2020

Revises 791226 Ltr Re Contractor Personnel Film Badge Rept Showing Penetrating Dose Equivalent of 1,820 Millirem. Corrected Rept Shows Actual Reported Doses of 40 Millirem Penetrating Dose & 140 Millirem Beta Dose
ML19257D785
Person / Time
Site: University of Lowell
Issue date: 01/21/1980
From: Chabot G
MASSACHUSETTS, UNIV. OF, LOWELL, MA (FORMERLY LOWELL
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8002060448
Download: ML19257D785 (1)
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we$v$rJJaclMJeSJ 0$5h NUCLEAR CENTER (617) 454-7811 January 21, 1980 Region I U.S. Nuclear Regulatory Commission Office cf Inspection and Enforcement 631 Park Avenue King of Prussia, Penn;ylvania 19406

SUBJECT:

Follow-up information regarding our letter of December 26, 1979 to you.

Gentlemen:

On December 26, 1979 we notified you by letter that we had received a personnel film badge report from our contractor which showed a penetrating dose equivalent of 1820 mrem to an individual employed at this facility.

Our film badge contractor has reevaluated the film in question, and today we received a corrected report from them. A mistake was made on the initial evaluation / report, and the actual reported doses should have been 40 mrem penetrating dose and 140 mrem beta dose. These numbers are reasonably censistent with what mignt be expected for exposure of the badge to the uranium-oxide gla::ed dish as outlined in our earlier letter. The high energy beta from 234Pa would, in our experience with dosimetry of beta radiation, account for the apparent 40 mrem penetrating dose reading.

We regret any inconvenience to you in consideration of these notifications.

Very truly yours, h,, x M 1927 282 George E. Chabot Radiation Safety Officer GEC/rb 0

cc: Director of Inspection and Enforcement U.S.N.R.C.

Washington, DC 20555 8002 06 0 4 +S

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