To the fire service, "total" response time is typically measured from the time a call is received by their emergency communications center to the arrival of the first apparatus at the scene. For the public, the clock for response time begins when an individual becomes aware there is an emergency incident occurring and they place a call for assistance. While the difference between these two approaches may vary by only a minute or so, for someone awaiting arrival of help, the time can be agonizing. This study confirms, however, that local fire departments' response times to structure fires are less than 5 minutes nearly 50 percent of the time.
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