While the term proof stuck, in America, the standard it refers to has nothing to do with gunpowder. Around 1848, 50% alcohol by volume was chosen as a baseline and 100 was used as its corresponding proof. Thus, the proof is double the ABV. In other countries, other proof systems are used. For example, in 1816 the U.K. started to use gravity as their standard.
Cost for rental will vary. Generic albuterol nebulizer solutions cost about $.40 for 10 doses and brand name versions can cost up to $12.10 for 10 doses, according to an analysis of national average sales prices by the Office of the Inspector General in the U.S. Department of Health and Human Services.
âKalbitor is the least expensive HAE product on a per-dose basis with a WAC [i.e., wholesale acquisition cost] of $3,117 versus Firazyr of $6,800 versus Berinert of $5,691. The total cost of treating an HAE attack with one of the products indicated for an acute attack will change based the site of service.â.