Hygiene Area Zoning
Critical Hygiene Areas are those areas in a product factory
where environmental control is necessary to prevent
contamination of heat treated product after the heat
treatment step
pasteurized or heat treated milk and milk products which will
not receive a further pasteurizing heat treatment,
Product ingredients that are incorporated into the process
stream after the designated pasteurizing heat treatment step,
Product contact surfaces of packaging materials,
product contact surfaces in equipment that follow the
pasteurizing heat treatment step in the process flow.