Water may be adulterated by a number of chemical, heavy metal, microbial and physical hazards that pose potential public health risks if they are present at high levels.
While it is not supposed to be there, acrylamide can form in food as a result of a heat-induced reaction between two naturally occurring ingredients, the amino acid asparagine and reducing sugars.
Bacterial spore formers, such as Clostridium botulinum and Bacillus cereus and their toxins, do not get industry’s attention but that doesn’t mean these contaminants aren’t on the radar screen.