NOTICE This report is a record of studies sponsored by the National Aeronautics and Space Administration during 1976 and early 1977. The results and recommendations reported herein do not necessarily represent the official position of the U.S. Department of Energy concerning the potential occupational health impacts of the Satellite Power System (SPS) concept. SUMMARY Occupational health impacts have been assessed for 99.86% of the total manpower for the Satellite Power System (SPS) Scenario A in terms of person-days lost (PDL) due to occupational illnesses and injuries (see description of Scenario A, page 1-1). This percentage represents those SPS workers who are engaged in conventional ground occupations which are not unique to the SPS system; e.g., concrete work and trades. The results by subsystems are summarized below. The normalizing factor is 1.325 x 107 MW-yr, which is the number of MW-years produced in Scenario A when the SPS stations and the rectennas operate at a load factor of 0.92: Note that the space transportation systems and the rectennas account for more than three-quarters of the PDLs. An alternative summary of the PDLs by occupations is as follows:
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