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Posted By Jonathan Breeze
I've just been informed that we have an infestation of Silverfish in one of our premises.
Initial investigation suggests that other than eating essential health & safety documentation that must be stored for 40 years, they are not a hazard to employee health & safety.
All the solutions proposed so far would be more likely to harm employee health than leaving the silverfish to themselves.
Indeed, the fact that they have existed in the same form for several hundred million years in the fossil record would suggest to me that any intervention is ultimately futile.
Have any other forum members had to deal with the problem and how did they go about it?
Note - the premises in which they occur is a rented building about 50 years old, so refurbishment is not really an option.
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Posted By Struan
Silverfish Insecticides:- Try this, it's worked for me(?). Boil a whole bulb of cut up garlic until its soft. Put it into a gallon of water and add 1 tablespoon of biodegradable detergent. Let it sit for a day, then strain and spray. Also, planting pots of parsley around your filing cabinets will help keep the blighters at bay------whato!
Nobody will want to enter your little archive room and there's never likely to be a vampire nearby either!!
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Posted By Paul Craythorne
Jonathan,
In the guidance to the 'Control of Silverfish at Work Regulations 2003' it clearly states that in order to alleviate this problem you must find the head silverfish, place it in your left ear, stand on one leg (it doesn't matter which one) and sing any one of Des O'Connor's greatest hits.
This apparently plays havoc with their senses and they will move out in droves to the next available building.
However, trying to find a greatest hit of Des O'Connor's can be a more stressful and health sapping task than putting up with the silverfish so my advice would be to leave well alone.
Regards,
Paul Craythorne
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Posted By Bill Elliott
Johnathan - as is the case with most "pests" you will need to deny the things they rely on to survive. Primarily this will include moisture, even condensation will do - if you can control that and any cracked damaged or defective surfaces where they will thrive - you may be able to control them with the additon of an aerosol spray for specific crawling insects. If you have access to a pest control contractor they will be able to advise further.
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Posted By RP
Put bromide in a dish of milk and it wil stop them breeding. Bromide can be purchased in granular or powder for from www.bromide.com
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Posted By Jonathan Breeze
Straun - A quick straw poll yesterday with staff suggested they would rather put up with the silverfish than the garlic smell. The parsley might work though.
Paul - Does it have to be Des O'Connor or will Englebert Humperdink do?
RP - Are you talking about the staff or the Silverfish? I've checked & milk does not appear to be on the list of preferred foods for Silverfish.
Thanks to all the above for the laugh.
Bill - That is the train of thought I was following yesterday and I concluded a full refurbishment of our basement kitchen area and dampcourse combined with removal and fumigation of potential food sources was likely to be the only solution. However the premises manager had a fit when informed.
I have already suggested a pest control contractor would be more qualified to deal with the problem, but the idea has been slow to gain acceptance. I shall make the recommendation again.
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Posted By Zoe Barnett
Jon, I have been living with the blighters in my kitchen for a decade and they haven't done me any harm, so I wouldn't worry about them! Back when I first discovered them lurking under the sink I asked an environmental health officer chum about them; he said they are basically just primitive creatures and are a nuisance rather than a hazard.
Your infestation sounds like an excellent environmentally friendly alternative to an electric shredder- maybe there's a business opportunity here?
Now if only someone can come up with a commercial use for headlice...
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Posted By Mark H Manser
Silverfish - On the whole are generally pleasant little insects
They are nocturnal and spend most of their time munching on carbohydrate substances and starch and therefore can digest cellulose (they also eat the dead members of their own kind). An old newspaper in a damp room is probably his idea of heaven.
They are not considered Public Health Pests and present little risk to ones health, though personally I would consider controlling them as a good housekeeping measure.
Reduction of the humidity levels in the affected area is often an effective control measure
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Posted By Jonathan Breeze
Thanks all for the info.
(It was Silverfish, not Babel Fish btw Paul)
The problem was not so much the critters themselves, but the response they elicited from certain staff.
Think along the lines of jumping on tables & screaming to get the picture. A response far more likely to cause injury than the original problem (but then who can understand the human mind?)
Anyway the problem has now been dealt with (poor sods - unchanged for 300 million years - survived several mass extinctions - only to be dispatched with a can of Nippon!)
And yes, I did do a COSHH Assessment!
As both the environmental conditions & the food source remain, no doubt they will be back.
...The jobs we safety advisers get eh?
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Posted By Stuart Nagle
Ho, Ho, Ho.... very good...great fun....
NOW BACK TO THE SERIOUS STUFF!!
silverfish are associated with damp, and a lot of it so I am informed, so if you are going to store documents in this area for up to 40 years, it is highly likely that when you urgently need some of that paper for a legal defence that is going to save the company many, many thousands of pounds., Poof!!!! its going to be just so much mulch and unreadable as it falls apart in your hands whilst trying to retrieve it from the file storage box.
I would suggest the company invests in getting the damp taken care of to protect those vital documents. This done the damm silverfish, monsters though they are, will disappear in search of other damp places to create other threads for latter day safety professionals!!!
Stuart
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