title: High-stakes helpers.
authors.affiliation: RAE Systems.
authors.forename: Bob
authors.initials: B
authors.lastname: Durstenfeld
mesh_terms: D020378:Confined Spaces; D004784:Environmental Monitoring / Q000295:instrumentation*; D005739:Gas Poisoning / Q000517:prevention & control*; D006801:Humans; D016272:Occupational Health; D017751:Safety Management / Q000379:methods