Monitoring Chernobyl fallout at University Park, Pennsylvania, from April 29 through May 22, 1986

Conference · Tue Jan 01 00:00:00 EST 1991 · Transactions of the American Nuclear Society; (United States)

OSTI ID:5777010

Jester, W A ^[1]

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1. Pennsylvania State Univ., College Park (United States)

Starting shortly after the report of the Chernobyl accident, the author began to monitor for atmospheric fallout on the campus of the Pennsylvania State University located at University Park, Pennsylvania. The monitoring period extended from April 29 through May 22, 1986, and consisted primarily of the use of a high-volume air filter system. Other types of samples were also collected. Thirteen fission products were detected, and the distribution of ten of these radionuclides is shown. Three of the fission products ({sup 106}Rh, {sup 131m}Xe, and {sup 141}Ce) were seen only at very low concentrations and only on the peak day(s). Also detected were the naturally occurring radionuclides existing in the collected dust and unrelated to the fallout. These included {sup 40}K and the radioactive daughters of uranium and thorium. Also seen prior to the arrival of Chernobyl fallout were trace amounts of the fission product {sup 137}Cs left in the soil as a result of past atmospheric weapons testing. Finally, the cosmic-ray-produced radionuclide {sup 7}Be was seen throughout these measurements.

• OSTI ID: 5777010
• Report Number(s): CONF-910603-; CODEN: TANSA
• Journal Information: Transactions of the American Nuclear Society; (United States), Vol. 63; Conference: Annual meeting of the American Nuclear Society (ANS), Orlando, FL (United States), 2-6 Jun 1991; ISSN 0003-018X
• Country of Publication: United States
• Language: English

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54 ENVIRONMENTAL SCIENCES
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RADIATION MONITORING
AIR FILTERS
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BARIUM 140
CERIUM 141
CESIUM 137
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LEAD 212
MOLYBDENUM 99
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RUTHENIUM 103
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