We had an auditor tell us our Listeria monitoring program was not valid because we did not find Listeria, couldn't be because we did full break down, foam wash, scrub and sanitize every batch? Nope. We needed to swab the whole plant until we found it. (Oh, by the way we do not make a Listeria sensitive or high risk ingredient, the whole program is for customer requirements, not because of risk to product)
Hi Bo16,
I think this probably stems from BRCGS Global Standard for Food Safety Issue 9 Clause 4.11.8.3:
The company shall review the environmental monitoring programme at least annually and whenever there are:
………
• consistently negative results (e.g. a site with a long history of negative results should
review its programme to consider whether the correct parts of the factory are being tested, whether the testing is being conducted correctly, whether the tests are for the appropriate organisms, etc.).
BRCGS Guidance:
In most situations, negative results are seen as good news and lead to an assumption that continued all systems are operating correctly and within permitted parameters. However, if results are continuously and consistently negative and there is a long history of negative results, this may be indicative that the site should review its programme to consider whether the correct locations are being tested, in the correct way, for the correct organisms. The aim of the programme is, after all, to identify areas of concern.
Kind regards,
Tony
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