UKTC Archive

Re: Planes, irritants and health and safety

Subject: Re: Planes, irritants and health and safety
From: Dorothy Hartshorne
Date: Jun 21 2001 14:55:35
I got the following info a number of years ago from Ted Swiecki, Phytosphere
Research  http://www.phytosphere@xxxxxxxxxxxxxxxx.net

London plane trees have star-shaped trichomes (little hairs or bristles)
that are found both on the foliage and young twigs.  These trichomes are
brushed off the foliage and twigs during the pruning process to become
suspended in the air.  They can be highly irritating to mucous membranes
causing reactions that range from respiratory discomfort in some people
and to severe respiratory distress in others........I don't know if the site
is still active.

Dorothy


on 6/22/01 6:14 AM, Chris Hastie at chris.hastie@xxxxxxxxxxxxxxx.gov.uk
wrote:

Can anyone point me in the direction of some published information on the
on the irritant properties of plane leaves, such as just what causes the
problem, how serious is it, what PPE is appropriate if they have to be
worked on whilst in leaf and if we have to fit our climbers out with
respirators how do we convince the public that the trees pose no danger to
them despite the fact that the climbers look like their kitted up to
survive biological warfare.

--
Chris Hastie



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