Comparison of Preventive Conservation Guidelines for Particulate Matter and Lighting in Heritage Libraries.

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Title: Comparison of Preventive Conservation Guidelines for Particulate Matter and Lighting in Heritage Libraries.
Authors: Saraiva, Nuno Baía1 (AUTHOR) nuno.saraiva@dem.uc.pt, Gaspar, Adélio Rodrigues1 (AUTHOR), Costa, José Joaquim1 (AUTHOR), Bioletti, Susan2 (AUTHOR), Goodhue, Robbie3 (AUTHOR)
Source: Studies in Conservation. Apr2026, Vol. 71 Issue 3, p259-278. 20p.
Subject Terms: *Particulate matter, Lighting, Historical libraries, Special libraries, Conservation & restoration, Tourism impact
Abstract: The opportunity left by the COVID-19 lockdown gave institutions time to evaluate the impact of tourism on historical museums. However, the lack of a comprehensive analysis of the current conservation guidelines for lighting and particulate matter makes its assessment not so straightforward. Therefore, the present gap was addressed by reviewing and discussing preventive conservation guidelines for those two parameters and their application. Guidelines' approaches were compared by evaluating the monitoring data in two historic libraries. Illuminance and particulate matter were measured before and during the lockdown to determine how tourism affected measurement results. While there are sufficient guidelines for lighting, there is a need to develop guidelines that assess and mitigate problems concerning particulate matter in cultural collections. Moreover, almost all guidelines were sensible to the operational changes introduced during the lockdown, of which two were considered more suitable for use in historic libraries. The direct relationship between tourism and particulates was reported (at least 28% reduction), while an indirect impact was observed (59% reduction) for lighting. In case of poor metrics compliance, the present study proposes an action plan based on literature findings for each parameter to address a compromise between tourism and collections preservation. [ABSTRACT FROM AUTHOR]
Copyright of Studies in Conservation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Comparison of Preventive Conservation Guidelines for Particulate Matter and Lighting in Heritage Libraries.
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  Data: <searchLink fieldCode="JN" term="%22Studies+in+Conservation%22">Studies in Conservation</searchLink>. Apr2026, Vol. 71 Issue 3, p259-278. 20p.
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  Data: *<searchLink fieldCode="DE" term="%22Particulate+matter%22">Particulate matter</searchLink><br /><searchLink fieldCode="DE" term="%22Lighting%22">Lighting</searchLink><br /><searchLink fieldCode="DE" term="%22Historical+libraries%22">Historical libraries</searchLink><br /><searchLink fieldCode="DE" term="%22Special+libraries%22">Special libraries</searchLink><br /><searchLink fieldCode="DE" term="%22Conservation+%26+restoration%22">Conservation & restoration</searchLink><br /><searchLink fieldCode="DE" term="%22Tourism+impact%22">Tourism impact</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The opportunity left by the COVID-19 lockdown gave institutions time to evaluate the impact of tourism on historical museums. However, the lack of a comprehensive analysis of the current conservation guidelines for lighting and particulate matter makes its assessment not so straightforward. Therefore, the present gap was addressed by reviewing and discussing preventive conservation guidelines for those two parameters and their application. Guidelines' approaches were compared by evaluating the monitoring data in two historic libraries. Illuminance and particulate matter were measured before and during the lockdown to determine how tourism affected measurement results. While there are sufficient guidelines for lighting, there is a need to develop guidelines that assess and mitigate problems concerning particulate matter in cultural collections. Moreover, almost all guidelines were sensible to the operational changes introduced during the lockdown, of which two were considered more suitable for use in historic libraries. The direct relationship between tourism and particulates was reported (at least 28% reduction), while an indirect impact was observed (59% reduction) for lighting. In case of poor metrics compliance, the present study proposes an action plan based on literature findings for each parameter to address a compromise between tourism and collections preservation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Studies in Conservation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/00393630.2025.2582959
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 20
        StartPage: 259
    Subjects:
      – SubjectFull: Particulate matter
        Type: general
      – SubjectFull: Lighting
        Type: general
      – SubjectFull: Historical libraries
        Type: general
      – SubjectFull: Special libraries
        Type: general
      – SubjectFull: Conservation & restoration
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      – SubjectFull: Tourism impact
        Type: general
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      – TitleFull: Comparison of Preventive Conservation Guidelines for Particulate Matter and Lighting in Heritage Libraries.
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            NameFull: Saraiva, Nuno Baía
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            NameFull: Gaspar, Adélio Rodrigues
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            NameFull: Costa, José Joaquim
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            NameFull: Bioletti, Susan
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            NameFull: Goodhue, Robbie
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              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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