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5.1. The in-situ generation of nitrogen for the preservation of museum objects

FEDERAL MONUMENTS AUTHORITY AUSTRIA. 5.1. The in-situ generation of nitrogen for the preservation of museum objects. Robert Linke Federal Monuments Authority - Austria. R. Linke, Federal Monuments Authority - Austria. 85th CA meeting , 19-20 Sept. 2019, Brussels.

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5.1. The in-situ generation of nitrogen for the preservation of museum objects

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  1. FEDERAL MONUMENTS AUTHORITY • AUSTRIA 5.1. The in-situ generationofnitrogenfor thepreservationofmuseumobjects Robert Linke Federal Monuments Authority - Austria R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  2. Regulation EU 528/2012, Annex I N2 generator compressor object pressurebalance photo: BDA „ready-for-use-canisters“ in-situ generatednitrogen R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  3. Austrian Federal Museums, whichuse(d) in-situ-generated N2 Museum of Fine Arts – Kunsthistorisches Museum Natural History Museum - Naturhistorisches Museum Museum of Vienna – Wienmuseum Universalmuseum Joanneum Technisches Museum Wien Imperial Furniture Collection … quarantine fumigationchamber European Standard EN 16790:2016 Conservationof Cultural Heritage – Integrated pest management (IPM) forprotectionofculturalheritage Kunsthistorisches Museum Vienna photo: P. Querner R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  4. Currently, 1 company (Rentokil) has an authorisationforapplicationwith „ready-to-use-canisters.“ • not availableforbigobjects • not availablefor large numbersofobjects • limited capacitiesforthistreatment in central Europe • Whatto do with: • bigobjects • large numbersofobjects • routinetreatment? ? ? photo: P. Querner photo: R. Linke RailwaywagonfromEmpress Elisabeth, Technisches Museum Wien R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  5. Regulation EU 528/2012, Article 55 (3) „[…] humiditycontrolled warm airtreatmentmethodcouldbeextendedtoalmostall organic material andobjectgroups.“ ThemoLignum International GmbH, statementtothe EC R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  6. European Standard EN 16790:2016 Conservationofculturalheritage –Integrated pest management (IPM) forprotectionofculturalheritage Annex E.3 Elevatedtemperature „[…] Possiblesideeffectsarechangesofsurfaceofsomeorganicmaterials, andsofteningofgluesandcrystallizationoflipids. […]“ • Advantages of N2 • applicabletoallmaterialsandobjects • Large quantitiescanbetreatedonsite • 100% effective • environmentallyfriendly photo: from private collection, after TL-treatment R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  7. List ofmaterialsandobjects, whichare sensitive toelevatedtemperatures: • waxes • ivory, bone, antler, tortoiseshell • leather • lacquer (Urishiol) • low melt adhesives as animal glue & paraloid B 72 • mother of pearl • new untreated wood (colour change) • newly restored objects • objects under tension (music instruments) • enamelled objects • very thin objects • marquetryfurniture • different synthetic materials • machine lubricants (technical objects) • chemicals (technical museum) • photo materials • modern artobjectswithan unknownmix ofmaterials • with pesticides contaminated objects (cross-contamination possible) Querner, P., Kjerulff A.-K. (2013) Non-Chemical Methods to Control Pests in Museums: An Overview. Rogerio-Candelera, M. A. Lazzari, M. Cano, E. (Eds.) Science and Technology for the Conservation of Cultural Heritage. Taylor & Francis. 273-276

  8. alternative appropriate alternatives, suggestedbyThermoLignum • Non-biocidal alternatives • Low temperaturetreatment • Heattreatment • Humiditycontrolled warm airtreatment • Biological treatment • Microwaveradiation • Gamma radiation • Biocidal alternatives • ethyleneoxide • sulfurylfluoride • HCN • phosphine • N2 • CO2 R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  9. 26.6.2019: Austria´sapplicationfor a derogationaccordingto Art. 55(3) BPR for an allowancetoauthorisebiocidalproductscontaining N2 generated in-situ fortheprotectionofculturalheritage in Austria • More EU memberstates will probably follow withinthenextmonths R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

  10. SUMMARY • Museums all over Austria and Europe aredealingwith pest controleveryday • Museums need legal certainty • Museums need a legal solutionwithin a short time • Museums need a methodsuitableforallobjects (notalmost all objects) Thank you for your attention! Robert Linke robert.linke@bda.gv.at R. Linke, Federal Monuments Authority - Austria 85th CA meeting, 19-20 Sept. 2019, Brussels

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