Listeria positive environmental swab: the first 24 hours
Listeria positive environmental swab? What to do in the first 24 hours: vectoring swabs before cleaning, product hold, re-sampling and root cause.
EMP
Surface Swabbing for Food Safety: Sponges, Swabs, Neutralising Broths and the R638 Limit
Sponge or swab, D/E, Letheen or HiCap against the sanitiser, the ten step aseptic round, the cold chain to an accredited laboratory, and the R638 cleaning verification limit.
How to Build an Environmental Monitoring Programme That Finds a Resident Listeria Strain
What an environmental monitoring programme is, who requires one, why R638 does not, the four zones, the 5 x 5 risk rating and the first hour after a Listeria positive.
