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Legionella, only in water? - Water / oil mix
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thunderchild  
#1 Posted : 05 March 2018 06:52:05(UTC)
Rank: Forum user
thunderchild

Morining all!

I have a quick question, I have looked for info on this bit can only find reference to Legionella growing n water systems. I ahve been asked if it will be in a water / oil coolant mix. My initial thoughts are no as I can't find any reference to it but wondrered if you guys and gals could shed some light on this?

Thanks
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quality_somerset  
#2 Posted : 05 March 2018 09:00:10(UTC)
Rank: New forum user
quality_somerset

Hi Thunderchild

Legionella has been known to grow in coolants normally used with CNC mills and lathes.  More information:

http://www.hse.gov.uk/metalworking/legionella.htm

Regards

QS
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Centurion  
#3 Posted : 05 March 2018 09:02:31(UTC)
Rank: Forum user
Centurion

Just a starter:-

Biological growth does occur in most mixed fluids after a time especially if they experience periods of non-movement i.e. the cutting fluids used in a lathe can be held in a reservoir for some time before being pumped into use.

That is why is important to changes these fluids regularly.

If they are contaminated,as in the lathe example, then they can become air borne and inhaled when the equipment is in use.

In this case I would think that it would be classified as a toxic biological inhalation if it led to any harm being caused.

Cheers

Andy
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thunderchild  
#4 Posted : 05 March 2018 09:06:55(UTC)
Rank: Forum user
thunderchild

Thanks for the replies. I need to check but I believe that the coolant comes in from the supplier, is used on the cutting tool and then goes in to contaminated waste barrels for removal. No recyling.......as far as I know.
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A Kurdziel  
#5 Posted : 05 March 2018 09:40:03(UTC)
Rank: Super forum user
A Kurdziel
Originally Posted by: thunderchild Go to Quoted Post

Thanks for the replies. I need to check but I believe that the coolant comes in from the supplier, is used on the cutting tool and then goes in to contaminated waste barrels for removal. No recyling.......as far as I know.

As far as you know... you can always check using a simple dipstick then you would be certain

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toe  
#6 Posted : 05 March 2018 23:47:45(UTC)
Rank: Super forum user
toe

Legionella has also be found in compost.

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jodieclark1510  
#7 Posted : 06 March 2018 08:20:35(UTC)
Rank: Super forum user
jodieclark1510

RR910 on the hse website might help if the mix is a metalworking fluid.

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