Random noise : measuring your company's safety performance

The lure of a homogenised quantity -- Stop countng what you can count -- it doesn't count -- How many injuries are enough? -- The absence of injuries does not predict what you think it does -- But I am only injuring my sub-contractors! -- Measuring nothing in 'ultra-safe' industries -- Don't talk about safety culture -- talk about safety climate! -- What if not every injury is preventable? -- What should you measure instead? -- Now, what should your safety people do?