Write a two page summary including:
(a) provide an example of chromogenic media and its use,
(b) summarize the principles of ATP bioluminescence and sanitation monitoring,
(c) provide an example of an ELISA based toxin detection product and its use, and
(d) how PFGE is used to determine the extent of a national Salmonella outbreak (basically how does epidemiologists know that the Salmonella infection patient one has in Utah is the same or different than patient 2 in New Mexico?)