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Compressed air - which micro-organisms to test


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#1 agwanda

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Posted 09 August 2014 - 11:54 AM

Dear Members,

 

I would like to know what micro-organisms are to be tested for in compressed air monitoring task as specified twice annually.

 

Regards,

 

Agwanda


The sky is the limit..........!

#2 Rodriguez-Gonzalez

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Posted 09 August 2014 - 12:08 PM

As a rule of thumb to validate your control measure you should test for your hazards (i.e. enterobacteria, coliforms, E. coli, Salmonella)

 

If you want to validate/calibrate the filter then you can test for microbe size (you can try pseudomonas diminuta).

 

Easier way, try total counts first, if you get something then characterize the colonies further into groups, species and maybe strains.



#3 Charles.C

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Posted 09 August 2014 - 12:32 PM

Dear Members,

 

I would like to know what micro-organisms are to be tested for in compressed air monitoring task as specified twice annually.

Regards,

Agwanda

 

Dear agwanda,

 

Not much detail in yr OP so the following is basically general information.

 

This post/thread and the sub-links within probably summarise most recent discussions here -

 

http://www.ifsqn.com...all/#entry71698

 

(Particularly 3rd sub-link, post #18. Although a look around the forum will show that SQF audits have used various values for plate count limits acceptably, ie no standard reference)

 

Rgds / Charles.C


Kind Regards,

 

Charles.C





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