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[i]The Lunar Module Pilot's personal radiation dosimeter failed to integrate the dosage properly after the first 24 hours of flight. To ensure that each lunar module crewman had a functional dosimeter while on the lunar surface, the Command Module Pilot transferred his unit to the Lunar Module Pilot on the fourth day of the mission. The final readings from the personal radiation dosimeters yielded net integrated (uncorrected) values of 640 and 630 millirads for the Commander and the Command Module Pilot, respectively. No value can be determined for the Lunar Module Pilot. The total radiation dose for each crewman was approximately 1.15 rads to the skin and 0.6 rad at a 5centimeter tissue depth. These doses are the largest observed on any Apollo mission; however, they are well below the threshold of detectable medical effects. The magnitudes of the radiation doses were apparently the result of two factors: (1) The translunar injection trajectory lay closer to the plane of the geomagnetic equator than that of previous flights and, therefore, the spacecraft traveled through the heart of the trapped radiation belts. (2) The space radiation background was greater than previously experienced. Whole-body gamma spectroscopy was also performed postflight on the crew and indicated no cosmic ray induced radioactivity.[/i]
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