Food Safety Atlas

Testing food and reading a certificate

Listeria detected in a chilled sandwich

A chilled sandwich with a 7-day shelf life comes back with this result. The batch is still on sale.

Standard plate count4.1 × 10⁴ cfu/g
Escherichia coli<3 cfu/g
Listeria monocytogenesDetected in 25 g
SalmonellaNot detected in 25 g

Sample data for illustration.

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