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[i]They are going to do a visual inspection. We know there is ammonia in the area... so they will do a visual inspection of each other to make sure there is no ammonia ice on their suits. Once they have concluded that they are clean, that starts a bake out timer. We do that to make sure we have adequate time for any hidden ammonia that might be on the suits to evaporate. On a rough order of magnitude, 30 to 45 minutes is required for that bake out time. That clock starts and they will begin their transit back to the airlock, down the P6 truss. Once they get in the airlock, they will hook up on umbilicals, they will repress the airlock to 5 psi and perform a test... a simple way of detecting of how much ammonia might be in the atmosphere at that 5 psi level. And based on that we'll make a determination if there is contamination or not. If consumables permit, they may do a second test. We don't anticipate that to be required.[/i]
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