Meant to post this a while back, but got side tracked.
To keep things in perspective, these ingredients are also used as or in '-cides' of one type or another. I'm sure those with even limited AP experience will recognize them.
It just goes to show how easy it is to have 'facts' run outside the realm of the 'truth'.
Potassium Hydroxide
Potassium Bicarbonate
Calcium Hydroxide
Phosphoric Acid
Hydrochloric/Muriatic acid
Sodium Chloride
In addition, EDTA's are listed as cyto- and Geno-toxins.