Category: General

Without water. A chemical shipped or stored without water, rather
than in solution, is in anhydrous form (anhydrous ammonia is a common example)

The number of times per unit time that the volume of air within a
building is completely replaced by new outdoor air when doors and windows are closed. Usually expressed as number of air changes per hour

ALOHA stands for Areal Locations of Hazardous Atmospheres.

ALOHA program, which is based on a model which calculates the distance between a possible leakage of the hazardous material to the environment and the farthest spot where there is still a significant risk to the public safety