Contents: Editor's Introduction. Introduction: The Rhetoric of Risk. Part I: The Problem of Technical Documentation in Hazardous Environments. Regulating Hazardous Environments: The Problem of Documentation. Moments of Transformation: The Cycle of Technical Documentation in Large Regulatory Industries. Acknowledging Uncertainty: Rethinking Rhetoric in a Hazardous Environment. Part II: Moments of Transformation. Reconstructing Experience: The Rhetorical Interface Between Agencies and Experience. Learning From Experience: Enlarging the Agency's Perspective in Training and Instruction. Warrants for Judgment: The Textual Representation of Embodied Sensory Experience. Part III : Documenting Experience. Embodied Experience: Representing Risk in Speech and Gesture. Manual Communication: The Negotiation of Meaning Embodied in Gesture. Part IV: Transforming Experience. Capturing Experience: The Moment of Transformation. Conclusion: The Last Canary?