Suzi -
Sulfuryl fluoride, Vikane, sent through a filtration system, would be your
quickest (24 hours under gas) way to insure complete kill of any stage of
insects. Contact one of your largest pest management firms for advice about
your situation.
Tom Parker
-----Original Message-----
From: Suzi Shaw <suzi.s...@ngv.vic.gov.au>
To: pestlist@googlegroups.com <pestlist@googlegroups.com>
Sent: Sun, Jul 5, 2020 11:50 pm
Subject: [PestList] Risks to artwork materials from methyl bromide or freezing
- options
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{}#yiv3989456547 div.yiv3989456547WordSection1 {}-->Hi all, I hope you’re
all faring as best as can be during this challenging time. We have some
large sculptural furniture (varying from 2-10 metres) items being shipped from
South Africa to here in Melbourne, Australia, and we are trying to plan for
potential pest issues and possible quarantine directives. They comprise of a
metal framework, with stretched and stitched leather, woollen cord made into
essentially a deep-pile carpet, recycled plastic components, and various
padding materials. Historically our government quarantine department usually
advocate methyl bromide for pest treatments, and we will often acquire
permission to use our low-oxygen/nitrogen system to treat works instead to
limit any damage the gas can do to proteins (as we’ve read about). However in
this case we wont have enough room or time prior to display to be able to use
this treatment method. Our other option then would be to freeze the works,
but this has potential risks too with the stretched leather, and that they may
not be able to be prepared for freezing as we normally would (wrapping in
plastic with buffering material, packing out airspaces etc). The institution we
normally use for freezing large objects may not have space available, so we’d
also need to consider off-site commercial freezing. To my knowledge we don’t
have any heat treating facilities here and have no experience using them.
Would anyone have any suggestions of alternatives or experience of damage
they’ve seen from methyl bromide to artworks, or freezing of stretched
leathers? I’m trying to work out what treatment method may present the least
risk of damage, with ideally an approx two week turnaround, if we are obliged
to treat the works under a quarantine directive. With thanks for any advice
you can offer, Suzi
Suzi Shaw
Conservator, Frames and Furniture
National Gallery of Victoria
180 St Kilda Road Melbourne VIC 3004
T: +61 3 8620 2123
F: +61 3 8620 2555
NGV.MELBOURNE
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