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4.15.3 - Temperature Control of Grain Bins


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#1 McForman

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Posted 10 August 2017 - 12:01 PM

As I am working on our Companies FSMA program and doing research on Mycotoxins, I learned that the the first step to control mold growth is keeping sure the grain (dry beans) isn't more than 10 degrees warmer than the outside air temp. They are stored in Steel silos with fans and sometimes in totes in our warehouse that isn't temperature controlled. Our processing equipment will remove moldy beans. We do test silos once a month and run fans when needed. I have been BRC for 4 years and have that our product dry edible beans don't need to be temperature controlled, and an Auditor has never questioned me, but now I think it might be. Any input would be great.


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#2 Peaches

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Posted 16 August 2017 - 02:28 PM

Not a grain or bean expert, but a a few questions and thoughts - 

Are the silos outside or enclosed and do you monitor the temperatures and moisture levels? (i.e. how do you know when to run the fans?) Has your testing every indicated that there is a problem and can show you have taken the proper corrective actions? Do you store the beans for long periods of times?  

 

You have your plant history, testing, inspections and documented controls in place if you are questioned. I would 'audit' this point and see what your documentation looks like and if there are any gaps.   


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#3 Parkz58

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Posted 16 August 2017 - 08:22 PM

I have worked in the animal feed and food industry for over 7 years, and two of the places I've worked at had extensive bin usage for non-perishable commodities (grains, but similar storage needs as beans).  I have never heard of any such requirement to have temperature control on commodities like grain or beans.

 

In my experience, receiving the commodity in at the right moisture level is the most critical element in keeping mycotoxins at bay.  A close second is regular (monthly, at minimum) inspections of all bins to check for leaks, bad seals, etc. that could allow contamination, pests and/or moisture inside.  If you do these two things, and utilize the fans you speak of when necessary, you should be just fine...unless, for some reason, bean processing is that much more sensitive than grain processing?

 

Brian


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#4 McForman

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Posted 17 August 2017 - 11:49 AM

Brian,

 

Thank you, after I did more research I came to the same conclusion. 


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