ScholarLens Back to search
1985•Transactions of the American Nuclear SocietyRequires access

Contamination in the TMI-2 plenum

F. Augustine, Getachew Biru Worku

Open publisher page 0 citations

Abstract

In May 1985 the plenum was removed from the Three Mile Island Unit 2 (TMI-2) reactor. The 55-ton cylindrical assembly, which normally sits over the reactor core, was lifted in air and moved to the deep end of the refueling canal to be stored underwater. The plenum was removed so that reactor refueling could start in September 1985. In preparation for plenum removal, thermoluminescent dosimeters (TLDs) were lowered into the plenum so that contamination levels (..mu..Ci/cm/sup 2/) for the plenum could be estimated. These contamination levels were used to calculate anticipated personnel dose rates during various phases of plenum removal. Since the plenum was removed in air rather than underwater, it was necessary to know dose rates more accurately.

About this research paper

What this paper is about

In May 1985 the plenum was removed from the Three Mile Island Unit 2 (TMI-2) reactor. The 55-ton cylindrical assembly, which normally sits over the reactor core, was lifted in air and moved to the deep end of the refueling canal to be stored underwater. The plenum was removed so that reactor refueling could start in September 1985. In preparation for plenum removal, thermoluminescent dosimeters (TLDs) were lowered into the plenum so that contamination levels (..mu..Ci/cm/sup 2/) for the plenum could be estimated. These contamination levels were used to calculate anticipated personnel dose rates during various phases of plenum removal. Since the plenum was removed in air rather than underwater, it was necessary to know dose rates more accurately.

Why it matters

A significance statement is not available in the OpenAlex record.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

In May 1985 the plenum was removed from the Three Mile Island Unit 2 (TMI-2) reactor. The 55-ton cylindrical assembly, which normally sits over the reactor core, was lifted in air and moved to the deep end of the refueling canal to be stored underwater. The plenum was removed so that reactor refueling could start in September 1985. In preparation for plenum removal, thermoluminescent dosimeters (TLDs) were lowered into the plenum so that contamination levels (..mu..Ci/cm/sup 2/) for the plenum could be estimated. These contamination levels were used to calculate anticipated personnel dose rates during various phases of plenum removal. Since the plenum was removed in air rather than underwater, it was necessary to know dose rates more accurately.

Key concepts: Plenum space, Contamination, Environmental science, Dosimeter, Nuclear engineering, Waste management, Radiochemistry, Physics

Back to paper searchBrowse research topicsOriginal source
Contamination in the TMI-2 plenum — Research Paper | ScholarLens