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Public Health Emergency Preparedness

This resource was part of AHRQ's Public Health Emergency Preparedness (PHEP) program, which was discontinued on June 30, 2011, in a realignment of Federal efforts.

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Figure 6: Effect of ALS Availability on Evacuation Time (Text Description)

The vertical axis of this chart is evacuation time in days, from 0 to 5. The horizontal axis is the number of ALS units, from 0 to 70 in 10-unit increments. With 12 ALS units, evacuation days are 4.4; with 20 ALS units, evacuation days are 2.6. With 25 ALS units, evacuation days are 2.1. With 38 ALS units, evacuation days are 1.3. With 50 ALS units, evacuation day is 1, and with 62 ALS units, evacuation days are .8.

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