You must, at a minimum, take the following actions if the samples of spent sprout irrigation water or sprouts test positive for E. coli O157:H7, Salmonella species, or a pathogen meeting the criteria in §112.144(c):
(a) Take appropriate action to prevent any food that is adulterated under section 402 of the Federal Food, Drug, and Cosmetic Act from entering into commerce;
(b) Take the steps required in §112.142(b) with respect to the lot of seeds or beans used to grow the affected production batch of sprouts (except as allowed under §112.142(c));
(c) Clean and sanitize the affected surfaces and surrounding areas; and
(d) Perform any other actions necessary to prevent reoccurrence of the contamination.