Best Answer MsMars , 26 December 2018 - 04:01 PM
If you are only concerned with proficiency testing of pH readings, I imagine you could do this in-house with buffer solutions you should already have in stock and document.
The posts you have read probably refer to micro or chem testing which gets a little more complicated if you have a smaller laboratory and is why many will send off for kits from an outside lab.
Grade - Active
Posted 26 December 2018 - 03:15 PM
Hello Everyone,
We're kind of a small establishment that produces Broth, Condiments (Made on a separate production line due to allergens) and portioned meat products.
According to the SQF Code, whatever we test to verify the food is safe that we have to get equipment Calibrated (Annually) and have done a Proficiency Test (Annually).
We've never completed a Proficiency Test before, I've looked through multiple organizations that send out tests in certain times of the year. While this sounds good, I'm working on a budget.
I've seen a few posts on this website that you can do proficiency testing in-house, sending off to a third party laboratory to confirm that both samples are reading the same.
My questions are:
1. Is this an actual method to use for Proficiency Testing? It sounds a lot cheaper than going through a company which provides controlled tests.
2. If this is a method we can use, how is it exactly done? Do we take a product, sample it, record it and send it off or we supposed to use a standard?
Grade - PIFSQN
Posted 26 December 2018 - 04:01 PM Best Answer
If you are only concerned with proficiency testing of pH readings, I imagine you could do this in-house with buffer solutions you should already have in stock and document.
The posts you have read probably refer to micro or chem testing which gets a little more complicated if you have a smaller laboratory and is why many will send off for kits from an outside lab.
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Grade - Active
Posted 26 December 2018 - 04:20 PM
Thank you for the reply MsMars, if this a valid method to use for proficiency testing (Based off from what I'm seeing, it must be) I'll attempt to do so and hopefully the next auditor understands our process.
Thank you again,
-Joseph
Grade - FIFSQN
Posted 26 December 2018 - 09:57 PM
Hi Yoda,
See these threads -
https://www.ifsqn.co...2542-edition-8/
https://www.ifsqn.co...esting-program/
(The sub-linked example in Post 4 of the 2nd thread above is a relatively "high-tech" interpretation).
Kind Regards,
Charles.C
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