On June 11, the Food Safety and Inspection Service (FSIS) announced the availability of its updated guidance, “Best Practices Guidance for Controlling Listeria monocytogenes (Lm) in Retail Delicatessens.”
On Jan. 10, 2014, the Food Safety and Inspection Service (FSIS) released its updated Directive 10,240.4, Rev. 3, entitled: “Verification Activities for the Listeria monocytogenes (Lm) Regulation and the Ready-To-Eat (RTE) Sampling Program.”
A somewhat unusual aspect to "cured" natural and organic processed meats is that nitrate and nitrite cannot be added as ingredients, because "preservatives" are not permitted in natural and organic foods. This has resulted in alternative meat-curing processes that utilize natural sources of nitrate, typically celery juice concentrate or powder.