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Legend (StoryMapData/AirPlume)

Air plume concentrations by Protective Action Criteria (PAC) (mg/m^3) (0)
Below PAC (< 9.3) Below PAC (< 9.3)
PAC - 1 (9.3 - 84) PAC - 1 (9.3 - 84)
PAC - 2 (84 - 373) PAC - 2 (84 - 373)
PAC - 3 (373 - 55,904) PAC - 3 (373 - 55,904)
Exceeds Lower Explosive Limit (> 55,904) Exceeds Lower Explosive Limit (> 55,904)