SPACECRAFT STERILIZATION STANDARDS AND CONTAMINATION OF MARS,
HARVARD UNIV CAMBRIDGE MASS
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Heating and cooling are suggested as methods of sterilizing spacecraft. Since sterilization introduces engineering problems, such as decreasing component reliability, it is concluded that the type and duration of sterilization procedure must depend on some estimate of an acceptable risk of planetary contamination. The report provides a means of computing the level of spacecraft sterility as a function of this acceptable risk.