Non-Ionizing Radiation Exposure in Space Activities

by Arthur E. Schulze, Lovelace Scientific Resources, United States,



Document Type: Proceeding Paper

Part of: Engineering, Construction, and Operations in Space

Abstract:

Non-ionizing radiation exposure has received considerable attention over the past few years due to the potential health hazards involved. Different limits have been set with no international agreement on what these limits should be. The approach to limiting human exposure to radio frequency (RF) radiation during extravehicular activity (EVA) has been to turn off the transmitter(s) or to avoid an imaginary keep-out zone around antenna arrays. In the construction phase of future space facilities, such approaches to limiting exposure may not be feasible. Terrestrial RF installations have usually been elevated above normal work paths such that the probability of inadvertent exposure is minimal. The feasibility of using this approach to limiting exposure becomes questionable when unrestrained EVA activities are considered.

Subject Headings: Radiation | Public health and safety | Human and behavioral factors | Health hazards | Space exploration | Probability | Flight

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