I checked with some contacts I have in the wood preservation industry. It’s definitely not mold, but also is unlikely to be a wood preservative. Perhaps it’s from a stain, urethane, or lacquer or something like that.
Dan Wixted Extension Support Specialist Cornell Cooperative Extension Pesticide Safety Education Program 135 CALS Surge Facility 525 Tower Road Ithaca, NY 14853 psep.cce.cornell.edu<http://psep.cce.cornell.edu/> dj...@cornell.edu<mailto:dj...@cornell.edu> 607-255-7525 Cornell Cooperative Extension is an equal opportunity, affirmative action educator and employer From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Dan Wixted Sent: Tuesday, March 19, 2024 8:47 AM To: pestlist@googlegroups.com Subject: RE: [PestList] Is this mold? It definitely looks crystalline. It also has a bit of greenish tinge. I wonder if the wood was ever treated with a copper-based preservative. Dan Wixted Extension Support Specialist Cornell Cooperative Extension Pesticide Safety Education Program 135 CALS Surge Facility 525 Tower Road Ithaca, NY 14853 psep.cce.cornell.edu<http://psep.cce.cornell.edu/> dj...@cornell.edu<mailto:dj...@cornell.edu> 607-255-7525 Cornell Cooperative Extension is an equal opportunity, affirmative action educator and employer From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> On Behalf Of Parichat S Sent: Tuesday, March 19, 2024 5:13 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> Subject: Re: [PestList] Is this mold? It looks like a salt crystal to me, not mold. It might be a flake of old lacquer residue. Regards, On Tue, 19 Mar 2024 at 16:00, Hingst, Volker <volker.hin...@lvr.de<mailto:volker.hin...@lvr.de>> wrote: NO mold – pretty sure best regards V o l k e r H i n g s t Diplom-Restaurator Volker Hingst IPM-Koordinator --------------------------------------- LVR - Archivberatungs- und Fortbildungszentrum Technisches Zentrum / Papierrestaurierung Ehrenfriedstr.19 50259 Pulheim Tel.: 02234-9854-236 Fax: 0221-8284-2479 E-Mail: volker.hin...@lvr.de<mailto:volker.hin...@lvr.de> Internet: www.afz.lvr.de<http://www.afz.lvr.de/> Von: 'Adam Novello' via MuseumPests <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Gesendet: Dienstag, 19. März 2024 01:58 An: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> Betreff: Re: [PestList] Is this mold? ***Hinweis: Diese E-Mail von pestlist+bncbcm4xihq6ypbbdgg4oxqmgqetw5m...@googlegroups.com<mailto:pestlist%2bbncbcm4xihq6ypbbdgg4oxqmgqetw5m...@googlegroups.com> stammt von einer externen Quelle. Öffnen Sie nur Inhalte, denen Sie vertrauen.*** Hi Chelsee, It doesn't look like mold to me. Normally mold has a bushy appearance when examined up close due to the hyphae. You can try gently brushing the surface with a cotton swab to see if it rolls onto itself or, if inactive, it will brush off the wood into a powder. You can also try using a UV light to see if it illuminates. Some molds will have a white illumination. Hope this helps! It's hard to tell of the close up but the substance looks like it may be a fatty material like wax. On Mon, Mar 18, 2024 at 7:31 PM Chelsee Boehm <cbo...@cityofukiah.com<mailto:cbo...@cityofukiah.com>> wrote: Hi all, I know this might not be exactly the right venue, but I wanted to reach out and see what you all think. We had a wood object come into the museum, and it has some places on the back where I think it might have been moldy. I know that wood can also ‘bloom,’ but I am not sure which it might be… I know it is hard to tell in photos, but I appreciate any insight that anyone can offer. Thank you so much! Chelsee Boehm (she/her) Curator of Collections & Exhibits Grace Hudson Museum (707) 467-2836 museum (707) 467-5754 direct line cbo...@cityofukiah.com<mailto:cbo...@cityofukiah.com> [cid:image001.png@01DA79DD.E0CF3460] Disclaimer The information contained in this communication from the sender is confidential. It is intended solely for use by the recipient and others authorized to receive it. If you are not the recipient, you are hereby notified that any disclosure, copying, distribution or taking action in relation of the contents of this information is strictly prohibited and may be unlawful. This email has been scanned for viruses and malware, and may have been automatically archived by Mimecast, a leader in email security and cyber resilience. 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