Alien Pest ControlChapter 3
The chemical analysis of the atmosphere inside the pod was FLUORINE! Apparently, these people breathed fluorine, and that is why the living compartment was lined with polyethylene, one of the few plastics virtually unaffected by fluorine at a comfortable temperature. The beings inside were dead. They had probably committed suicide when it became certain that they would be captured. The bodies were wrapped in polyethylene film and shipped to a morgue equipped to handle such exotic creatures....