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Posted By Vicky Godber-Ford Moore
Morning all,
I am carrying out a RA on men taking out plaster containing cow hair and would be very grateful for any advice on the required precautions. If anyone has any info on the use of sheep's wool in plaster that would be fabulous.
Many thanks,
Vicky
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Posted By Alan Haynes
Don't know about sheep wool or cow hair in plaster,
- but if you come across any old horse hair plaster, you should be aware that when work was done on an old railway station buuilding in London, lab tests showed up a [low level] risk of Anthrax from the horse hair.
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Posted By Vicky Godber-Ford Moore
Yes I had suspected something along those lines. English Heritage have released an article on the risk of Anthrax in historic buildings which is a bit worrying.....
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Posted By Adrian Watson
Dear Vicky,
The risk of anthrax from old infected plaster is a theoretical risk.
As the minimum infectious dose for anthrax is around 1000 cfu and as Lime & horse hair plaster is so alkaline, any anthrax spores left are non-viable.
As the real risk from Lime & horse hair plaster is the alkaline dust the most effective controls are good personal hgiene and respiratory protection.
Regards Adrian Watson
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Posted By George Wedgwood
I've been hacking out such plaster from my 1950's house for over 10 years now, to replace walls, sockets, windows etc. and wearing the usual dust mask, vacuum and gloves is my usual precaution as I have never suspected that a bio-risk was present! Anyway, I remain healthy and fit enough to go to the gym several times a week! I always try to remember that the challenge is to Manage the risk - not to try and eliminate it. George
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Posted By Chris C
interesting and for me a relevant subject. one of my sites has just asked me the same question, and the only reference i can find to date is the EH document. I have advised the normal precautions such as segregation, suitable PPE etc. many thanks for your info adrian i find that interesting
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Posted By Neil Stephens
Try the HSE publication HSG 174. Generally the risk is considered very low with an appropriate respirator and good hygiene sufficient.
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Posted By Vicky Godber-Ford Moore
Thanks for all you comments especially Adrian, they have been beneficial.
Regards,
Vic
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