Just so people are aware, there is information on a study done at the Smithsonian's National Museum of the American Indian about freezing on stretched hides. You can read a summary on the MuseumPests.net website at https://museumpests.net/wp-content/uploads/2014/03/MechanicalBehaviorofAnimalHidesatLowTEmperatures.pdf https://museumpests.net/solutions-low-temperature-treatment/solutions-mechanical-behavior-of-animal-hides-at-low-temperatures/
On Mon, Jul 6, 2020 at 7:33 AM 'bugman22' via MuseumPests < pestlist@googlegroups.com> wrote: > 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 > > 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 > <https://protect-au.mimecast.com/s/ls_mCzvO14cPNQJT2-gjg?domain=ngv.melbourne> > > *We acknowledge the Traditional Custodians of Melbourne.* > > > <https://protect-au.mimecast.com/s/vQobCANZBXsmJL7TR6qQN?domain=ngv.vic.gov.au> > > Follow us at NGV Melbourne: Facebook > <https://protect-au.mimecast.com/s/iRIGCBNZDXsZJpEIgsllI?domain=ngv.vic.gov.au> > | Instagram > <https://protect-au.mimecast.com/s/PcDVCD1jGZF6rNgU9oEc5?domain=ngv.vic.gov.au> > | Pinterest > <https://protect-au.mimecast.com/s/zgVfCE8kJXFAoVRIjByf1?domain=ngv.vic.gov.au> > | Twitter > <https://protect-au.mimecast.com/s/THj9CGvmLXcyZKjs4GYQ8?domain=ngv.vic.gov.au> > Share your experience via the hashtag #ngv while here, then come > behind-the-scenes, keep up to date and interact with us post-visit. > Visit the NGV Blog > <https://protect-au.mimecast.com/s/X3eACJypOKI4L30toerjw?domain=blog.ngv.vic.gov.au> > and sign up to NGV e-news > <https://protect-au.mimecast.com/s/S_lbCK1qP7FAxz3IZ5IPR?domain=ngv.vic.gov.au> > > *DISCLAIMER:* This email and any files transmitted with it are > confidential and intended solely for pestlist@googlegroups.com. If you > are not the named addressee you should not disseminate, distribute, copy or > alter this email. *WARNING:* Although the National Gallery of Victoria > has taken reasonable precautions to ensure no viruses are present in this > email, the organisation cannot accept responsibility for any loss or damage > arising from the use of this email or attachments. > -- > You received this message because you are subscribed to the Google Groups > "MuseumPests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pestlist+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/ME2PR01MB3972C60FC1FB67BC9837CB3A8B690%40ME2PR01MB3972.ausprd01.prod.outlook.com > <https://groups.google.com/d/msgid/pestlist/ME2PR01MB3972C60FC1FB67BC9837CB3A8B690%40ME2PR01MB3972.ausprd01.prod.outlook.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "MuseumPests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pestlist+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/2041544033.3024281.1594035199180%40mail.yahoo.com > <https://groups.google.com/d/msgid/pestlist/2041544033.3024281.1594035199180%40mail.yahoo.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. 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