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730430 
Technical Report 
Epidemiologic study to determine possible adverse effects to Rocketdyne/Atomics International workers from exposure to ionizing radiation 
Morgenstern, H; Froines, J; Ritz, B; Young, B 
1997 
Public Health Institute 
Berkeley, CA 
English 
In the early 1990s, a worker health study--discussed in this report--was initiated in response to strong concerns voiced by area residents about the use of radioactive and toxic substances at the Santa Susana Field Laboratory (SSFL) of Rocketdyne/Atomics International (AI), a Department of Energy contractor. Starting in the early 1950s, SSFL activities included the operation of nuclear reactors, handling of plutonium, and rocket-engine testing. This report will focus on the possible effects of exposures to two types of ionizing radiation on cancer mortality among Rocketdyne/AI workers: penetration of the body by gamma and X rays (external radiation); and the ingestion, inhalation, or absorption of alpha-emitting radionuclides such as uranium (internal radiation).