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Treacodactyl Downsizer Moderator
Joined: 28 Oct 2004 Posts: 25795 Location: Jumping on the bandwagon of opportunism
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bulworthy project
Joined: 27 Jun 2011 Posts: 188 Location: Rackenford, Devon
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Mistress Rose
Joined: 21 Jul 2011 Posts: 16000
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sean Downsizer Moderator
Joined: 28 Oct 2004 Posts: 42219 Location: North Devon
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Hairyloon
Joined: 20 Nov 2008 Posts: 15425 Location: Today I are mostly being in Yorkshire.
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bulworthy project
Joined: 27 Jun 2011 Posts: 188 Location: Rackenford, Devon
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Hairyloon
Joined: 20 Nov 2008 Posts: 15425 Location: Today I are mostly being in Yorkshire.
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oldish chris
Joined: 14 Jun 2006 Posts: 4148 Location: Comfortably Wet Southport
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Hairyloon
Joined: 20 Nov 2008 Posts: 15425 Location: Today I are mostly being in Yorkshire.
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Hairyloon
Joined: 20 Nov 2008 Posts: 15425 Location: Today I are mostly being in Yorkshire.
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bulworthy project
Joined: 27 Jun 2011 Posts: 188 Location: Rackenford, Devon
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oldish chris
Joined: 14 Jun 2006 Posts: 4148 Location: Comfortably Wet Southport
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Hairyloon
Joined: 20 Nov 2008 Posts: 15425 Location: Today I are mostly being in Yorkshire.
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bulworthy project
Joined: 27 Jun 2011 Posts: 188 Location: Rackenford, Devon
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oldish chris
Joined: 14 Jun 2006 Posts: 4148 Location: Comfortably Wet Southport
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Posted: Fri Sep 02, 11 5:41 pm Post subject: |
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bulworthy project wrote: |
From what I have read in a brief scan of the report, it does seem that the charcoal would be relatively safe to make and use. However they do say that further tests are needed and I think that we'll stick to the tried and tested hardwoods. If anyone else made and used rhodedendron charcoal, I'd be interested in what they thought of it. |
My immediate reaction to the comment about the toxicity of rhododendron smoke was "what's so special about a rhododendron?". Quite a few (most?) plants contain toxins, usually to discourage insects,
Quote: |
In considering the differences between softwoods, hardwoods and exotics, sawdust from hardwoods, especially from the exotic species, are sensitizers and can cause allergic skin reactions, eye inflammation, hay fever, asthma, coughing and respiratory diseases. Highly toxic species include the giant sequoia, hemlock, yews, cypress, cork oak and other oaks, beech, rosewoods, some maples, redwoods and western red cedar. |
according to https://www.woodweb.com/knowledge_base/Danger_in_the_Woods.html . Wood turners should take precautions, but, at a guess, the biggest danger to charcoal users would be the smoke generated during charcoal manufacture. Pound to a penny it contains: hydrogen cyanide, carbon monoxide, polycyclic aromatic hydrocarbons and on a bad day, dioxins. |
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