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SQF 2.9.2.2 Quality Code - Proficiency Testing for Water Activity


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ESuttmiller

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Posted 02 June 2021 - 03:06 PM

Hello, we just had our SQF audit last week (Edition 9). One of findings was that we did not have proficiency testing for the water activity that we test at our facility (2.9.2.2-Quality Code). This is a new test we have added in the past year. How would I go about doing this proficiency testing so I can correct what we didn't do and continue to make sure its done in the past. We have 3 water activity units (Aqualab 3's) from METER Group. Any help would be greatly appreciated. (We have the training documentation showing all staff were trained on how to use the units)


Edited by Jacob Timperley, 02 June 2021 - 07:25 PM.


SQFconsultant

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Posted 02 June 2021 - 03:13 PM

for water activity or for testing for employees doing the water testing?


Kind regards,
Glenn Oster
 
GOC BUSINESS GROUP | SQF System Development, Implementation & Certification Consultants
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ESuttmiller

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Posted 02 June 2021 - 03:16 PM

Honestly based on the clause noted, the employees...but lets assume both just to cover bases. 



SQFconsultant

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Posted 02 June 2021 - 03:21 PM

My question was based on how you wrote out your question.

I was trying to determine if the auditor called it wrong - if he/she said you needed this testing for the water, that would be an error and you could chalkenge that as this testing applies to your employees that lack aoac or similar testing.


Kind regards,
Glenn Oster
 
GOC BUSINESS GROUP | SQF System Development, Implementation & Certification Consultants
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Visit us @ http://www.GlennOster.com  or call us @ 772.646.4115 US-EST 8am-4pm Anyday except Thursday
 
 

ESuttmiller

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Posted 02 June 2021 - 03:25 PM

2.9.3.1 Minor The proficiency test of water activity was not available for review at the time of audit. 

 

This was the specific Quality NC on the report. 



Charles.C

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Posted 02 June 2021 - 03:31 PM

Hello, 

We just had our SQF audit last week (Edition 9). One of findings was that we did not have proficiency testing for the water activity that we test at our facility (2.9.2.2-Quality Code). This is a new test we have added in the past year. How would I go about doing this proficiency testing so I can correct what we didn't do and continue to make sure its done in the past. We have 3 water activity units (Aqualab 3's) from METER Group. 

 

Any help would be greatly appreciated.

 

(We have the training documentation showing all staff were trained on how to use the units)

 

Hi E.Suttmiller,

 

I sugest you study the SQF Guidance document on "Proficiency Testing" available on their website.


Kind Regards,

 

Charles.C


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PennyQAManger

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Posted 02 June 2021 - 03:55 PM

We do testing on our water after the carbon block and UV light.  We do in house testing on pH, coliform, and Ecoli.  Then we send off same sample to accredited lab to iso standard.  We also do this for our sink water.  Maybe this will help you



ESuttmiller

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Posted 02 June 2021 - 03:58 PM

Penny, this is water activity for our product.  Our water is not tested on site and is tested by a 3rd party state run lab. 



Charles.C

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Posted 02 June 2021 - 04:01 PM

Penny, this is water activity for our product.  Our water is not tested on site and is tested by a 3rd party state run lab. 

 

From SQF's Guidance -

 

A proficiency test is a method used to demonstrate competency and validate a laboratory’s measurement process by comparing the in-house results to the results of a reference laboratory and/ or other participant laboratories

.


Kind Regards,

 

Charles.C


ESuttmiller

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Posted 02 June 2021 - 04:03 PM

Thanks Charles. I think our plan based on what the auditor said and the guidance document is correct. This shouldn't be too hard to fix and adjust moving forward. 



JPresswood

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Posted 03 June 2021 - 04:38 PM

As a representative from a proficiency testing provider (xxx)  - I would recommend finding a PT sample that allows you to test for water activity in a matrix that is close to the products you produce. I would be happy to discuss this with you, as this is a sample that is available in our catalog in a few different matrices.

 

If you need one out of round to complete corrective action sooner rather than later, there are some providers - like ours - that offer repeat samples that will allow you to verify the accuracy of your results at any time.

 

You can also search the EPTIS database for a PT program. This is a great resource for finding appropriate PT samples/rounds.


Edited by Charles.C, 03 June 2021 - 05:25 PM.
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kingstudruler1

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Posted 04 June 2021 - 06:28 PM

As a representative from a proficiency testing provider (xxx)  - I would recommend finding a PT sample that allows you to test for water activity in a matrix that is close to the products you produce. I would be happy to discuss this with you, as this is a sample that is available in our catalog in a few different matrices.

 

If you need one out of round to complete corrective action sooner rather than later, there are some providers - like ours - that offer repeat samples that will allow you to verify the accuracy of your results at any time.

 

You can also search the EPTIS database for a PT program. This is a great resource for finding appropriate PT samples/rounds.

 

 

i think this is a great option.   i have attached the guidance doc that others have referenced.  I believe there are a few ways to meet the requirement. 


Edited by Charles.C, 05 June 2021 - 04:41 AM.
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