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#1
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Poisoned wood in the compost
The auditorium in the Theatre .....
http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? (All the improvements you see in the slide show have been done by volunteers, or bought with funds raised by volunteers.) Mike --------------------------------------------------------------- www.friendsofshanklintheatre.co.uk www.hmscollingwoodassociation.com www.rneba.org.uk www.nsrafa.org |
#2
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Poisoned wood in the compost
"'Mike'" wrote
The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? I do hope the people doing that work are wearing proper face masks (not those cheap things) and protective clothing including covering shoes so they don't take the dust home with them. Personally I would not take any chances where my lungs are concerned. As it's an old place it may well have been painted with lead paint originally so, no, composting won't improve the toxic nature of the dust. -- Regards. Bob Hobden. Posted to this Newsgroup from the W of London, UK |
#3
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Poisoned wood in the compost
On 10/01/2014 10:00, Bob Hobden wrote:
"'Mike'" wrote The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? I do hope the people doing that work are wearing proper face masks (not those cheap things) and protective clothing including covering shoes so they don't take the dust home with them. Personally I would not take any chances where my lungs are concerned. As it's an old place it may well have been painted with lead paint originally so, no, composting won't improve the toxic nature of the dust. -- Regards. Bob Hobden. Posted to this Newsgroup from the W of London, UK Only a problem with paint. Old varnish and polish is likely to be organic in origin, shellac and vegetable based resins the most likely. Why risk it though? |
#4
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Poisoned wood in the compost
On 10/01/2014 08:42, 'Mike' wrote:
The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? Not necessarily or really worth taking the chance especially if old pigmented paints are involved as they are likely to include lead and other heavy metal based pigments and they do not go away ever. Most plants won't mind a bit of extra heavy metals, but they are not so good for you to eat if you use it on your veg plot. (All the improvements you see in the slide show have been done by volunteers, or bought with funds raised by volunteers.) If it is just varnish then I'd be inclined to burn it to wood ash. Otherwise dispose of it as potentially hazardous waste. Either way the volunteers doing the sanding should have suitable PPE. -- Regards, Martin Brown |
#5
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Poisoned wood in the compost
On 10/01/2014 10:16, Martin Brown wrote:
On 10/01/2014 08:42, 'Mike' wrote: The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? Not necessarily or really worth taking the chance especially if old pigmented paints are involved as they are likely to include lead and other heavy metal based pigments and they do not go away ever. Most plants won't mind a bit of extra heavy metals, but they are not so good for you to eat if you use it on your veg plot. (All the improvements you see in the slide show have been done by volunteers, or bought with funds raised by volunteers.) If it is just varnish then I'd be inclined to burn it to wood ash. Otherwise dispose of it as potentially hazardous waste. Either way the volunteers doing the sanding should have suitable PPE. I would certainly do some research or consult a pro firm before letting volunteers loose on a big project. If wood can be removed (panels etc), consider sending it away to be stripped in a tank. If the varnish is old, it's almost certainly going to have a low melting point, which gums up abrasives almost instantly. |
#6
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Poisoned wood in the compost
On 10/01/2014 10:16, Martin Brown wrote:
On 10/01/2014 08:42, 'Mike' wrote: The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? Not necessarily or really worth taking the chance especially if old pigmented paints are involved as they are likely to include lead and other heavy metal based pigments and they do not go away ever. Most plants won't mind a bit of extra heavy metals, but they are not so good for you to eat if you use it on your veg plot. (All the improvements you see in the slide show have been done by volunteers, or bought with funds raised by volunteers.) If it is just varnish then I'd be inclined to burn it to wood ash. Otherwise dispose of it as potentially hazardous waste. Either way the volunteers doing the sanding should have suitable PPE. Do your research, or consult a pro firm, before letting volunteers loose on this type of project. E.g. old varnishes invariably have a low melting point, and will gum up abrasives instantly. If wood is demountable (panels, t&g etc), send it away to be chemically stripped in a tank. Getting 99% off is the easy bit :-) |
#7
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Poisoned wood in the compost
"'Mike'" wrote in message ...
The auditorium in the Theatre ..... http://www.myalbum.co.uk/Album=KOB47VPH .... is being sanded back to bare wood and treated. The wood has had all sorts of polishes and varnishes over the years, some of which would no doubt be poisonous. If the dust is spread and mixed in with new material going onto the compost heap, would the action of composting 'kill' the poisons? (All the improvements you see in the slide show have been done by volunteers, or bought with funds raised by volunteers.) ============================================ Very many thanks to the very sensible replies. With regards to the masks and protection, that is being dealt with thank you. Whilst we are all 'volunteers', the background skills and experience cover the complete range to carry out these tasks and where the skill is missing or the volunteer does not have the time, the experts are fetched in, such as the new Fire and Intruder Alarm System. The installation of all of the new seating. The installation of the new on line booking system, which has proved very popular and very important, a Certificated Electrician to carry out modifications and improvements to the Electrical Installation etc etc etc. Thank you for all the kind comments. And when you come on holiday to the Isle of Wight, pop in and see us. Want a tour backstage and everywhere when you come on holiday so you can see the improvements the "Friends of Shanklin Theatre" have done and won The Queen's Award For Voluntary Services? email me :-) Mike --------------------------------------------------------------- www.friendsofshanklintheatre.co.uk www.hmscollingwoodassociation.com www.rneba.org.uk www.nsrafa.org |
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