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Image Permanence InstituteImage Permanence Institute
Making Sense of Making Sense of Environmental DataEnvironmental DataMaking Sense of Making Sense of Environmental DataEnvironmental Data
NARA Preservation Conference 2006NARA Preservation Conference 2006
James M. ReillyJames M. ReillyImage Permanence InstituteImage Permanence Institute
Rochester Institute of TechnologyRochester Institute of Technology
Image Permanence InstituteImage Permanence Institute
Why Environmental Why Environmental Data? Data? Why Environmental Why Environmental Data? Data? Environment is Environment is
best way to best way to achieve and achieve and demonstrate demonstrate stewardship of stewardship of collectionscollections
Environment is Environment is best way to best way to achieve and achieve and demonstrate demonstrate stewardship of stewardship of collectionscollections
Image Permanence InstituteImage Permanence Institute
Why Environmental Why Environmental Data? Data? Why Environmental Why Environmental Data? Data? To inform key institutional To inform key institutional
functionsfunctions Facilities managementFacilities management Fiscal managementFiscal management Archival / curatorialArchival / curatorial
To inform key institutional To inform key institutional functionsfunctions Facilities managementFacilities management Fiscal managementFiscal management Archival / curatorialArchival / curatorial
Image Permanence InstituteImage Permanence Institute
Environment-Driven Environment-Driven Collection Decay Collection Decay Mechanisms Mechanisms
Environment-Driven Environment-Driven Collection Decay Collection Decay Mechanisms Mechanisms
Chemical changeChemical change Biological attackBiological attack Mechanical damageMechanical damage
Chemical changeChemical change Biological attackBiological attack Mechanical damageMechanical damage
Image Permanence InstituteImage Permanence Institute
Deriving Meaning from Deriving Meaning from T & RH DataT & RH DataDeriving Meaning from Deriving Meaning from T & RH DataT & RH Data
Algorithms to estimate Algorithms to estimate specific decay risksspecific decay risks
Integrations over timeIntegrations over time
Algorithms to estimate Algorithms to estimate specific decay risksspecific decay risks
Integrations over timeIntegrations over time
Image Permanence InstituteImage Permanence Institute
Chemical Decay (Natural Chemical Decay (Natural Aging) MetricAging) MetricChemical Decay (Natural Chemical Decay (Natural Aging) MetricAging) Metric
TWPITWPI TWPITWPI
Image Permanence InstituteImage Permanence Institute
TWPI (Time-Weighted TWPI (Time-Weighted Preservation Index) Preservation Index) TWPI (Time-Weighted TWPI (Time-Weighted Preservation Index) Preservation Index)
Measure of chemical change Measure of chemical change
induced by heat and moistureinduced by heat and moisture
Typical cause of poor Typical cause of poor
performance: High summertime performance: High summertime
dew pointdew point
Measure of chemical change Measure of chemical change
induced by heat and moistureinduced by heat and moisture
Typical cause of poor Typical cause of poor
performance: High summertime performance: High summertime
dew pointdew point
Image Permanence InstituteImage Permanence Institute
TWPI ScaleTWPI Scale TWPI ScaleTWPI Scale
Poor: 1 – 45Poor: 1 – 45
OK: 45 – 75OK: 45 – 75
Good: 75 - 100Good: 75 - 100
Great: > 100Great: > 100
Poor: 1 – 45Poor: 1 – 45
OK: 45 – 75OK: 45 – 75
Good: 75 - 100Good: 75 - 100
Great: > 100Great: > 100
Image Permanence InstituteImage Permanence Institute
Biological Decay Biological Decay MetricMetricBiological Decay Biological Decay MetricMetric
Mold Risk Factor Mold Risk Factor (MRF)(MRF)
Mold Risk Factor Mold Risk Factor (MRF)(MRF)
Image Permanence InstituteImage Permanence Institute
Mechanical Decay Mechanical Decay MetricsMetricsMechanical Decay Mechanical Decay MetricsMetrics
Measures risk due to: Measures risk due to: Moisture content of Moisture content of
collectionscollections Too highToo high Too lowToo low
Dimensional changes as Dimensional changes as moisture content varies moisture content varies over timeover time
Measures risk due to: Measures risk due to: Moisture content of Moisture content of
collectionscollections Too highToo high Too lowToo low
Dimensional changes as Dimensional changes as moisture content varies moisture content varies over timeover time
Image Permanence InstituteImage Permanence Institute
Mechanical Decay Risk Mechanical Decay Risk MetricsMetricsMechanical Decay Risk Mechanical Decay Risk MetricsMetrics
Too dry – Min EMCToo dry – Min EMC Too damp – Max EMCToo damp – Max EMC Too much expansion and contraction – % Too much expansion and contraction – %
DC MaxDC Max Typical cause of poor performance:Typical cause of poor performance:
Winter drynessWinter dryness
Too dry – Min EMCToo dry – Min EMC Too damp – Max EMCToo damp – Max EMC Too much expansion and contraction – % Too much expansion and contraction – %
DC MaxDC Max Typical cause of poor performance:Typical cause of poor performance:
Winter drynessWinter dryness
Image Permanence InstituteImage Permanence Institute
Interpreting Data: Weigh Interpreting Data: Weigh the Risks According to the the Risks According to the Nature and Importance of Nature and Importance of CollectionsCollections
Interpreting Data: Weigh Interpreting Data: Weigh the Risks According to the the Risks According to the Nature and Importance of Nature and Importance of CollectionsCollections
Archival & library materials:Archival & library materials: Chemical, biologicalChemical, biological
Fine arts & rare books:Fine arts & rare books: Mechanical, chemical, biologicalMechanical, chemical, biological
Archival & library materials:Archival & library materials: Chemical, biologicalChemical, biological
Fine arts & rare books:Fine arts & rare books: Mechanical, chemical, biologicalMechanical, chemical, biological
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
Metrics in PracticeMetrics in PracticeMetrics in PracticeMetrics in Practice At LoCAt LoC
Identified underperforming spacesIdentified underperforming spaces Achieved operating improvementsAchieved operating improvements
At NYPLAt NYPL Helped redirect capital plan for global improvementsHelped redirect capital plan for global improvements
At NARAAt NARA Used in DC, RegionsUsed in DC, Regions
At LoCAt LoC Identified underperforming spacesIdentified underperforming spaces Achieved operating improvementsAchieved operating improvements
At NYPLAt NYPL Helped redirect capital plan for global improvementsHelped redirect capital plan for global improvements
At NARAAt NARA Used in DC, RegionsUsed in DC, Regions
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
Fundamentals of Fundamentals of Preventive ConservationPreventive ConservationFundamentals of Fundamentals of Preventive ConservationPreventive Conservation
Gather and organize informationGather and organize information Materials and modes of decayMaterials and modes of decay Storage circumstancesStorage circumstances Present conditionPresent condition
Analyze risksAnalyze risks Take actions to minimize decayTake actions to minimize decay
Gather and organize informationGather and organize information Materials and modes of decayMaterials and modes of decay Storage circumstancesStorage circumstances Present conditionPresent condition
Analyze risksAnalyze risks Take actions to minimize decayTake actions to minimize decay
Image Permanence InstituteImage Permanence Institute
Prototype of Collection Prototype of Collection Storage Information Storage Information SystemSystem
Prototype of Collection Prototype of Collection Storage Information Storage Information SystemSystem Built for National Museum of Built for National Museum of
Denmark Denmark Shown with permissionShown with permission Linked InformationLinked Information
ClimateClimate CollectionsCollections Mechanical systemsMechanical systems
Built for National Museum of Built for National Museum of Denmark Denmark
Shown with permissionShown with permission Linked InformationLinked Information
ClimateClimate CollectionsCollections Mechanical systemsMechanical systems
Image Permanence InstituteImage Permanence Institute
Image Permanence InstituteImage Permanence Institute
The Image The Image Permanence InstitutePermanence Institute
Rochester Institute of Rochester Institute of TechnologyTechnology
www.imagepermanenceinstitwww.imagepermanenceinstitute.orgute.org
www.climatenotebook.orgwww.climatenotebook.org
The Image The Image Permanence InstitutePermanence Institute
Rochester Institute of Rochester Institute of TechnologyTechnology
www.imagepermanenceinstitwww.imagepermanenceinstitute.orgute.org
www.climatenotebook.orgwww.climatenotebook.org
Image Permanence InstituteImage Permanence Institute
AcknowledgementsAcknowledgementsAcknowledgementsAcknowledgements
Andrew W. Mellon FoundationAndrew W. Mellon Foundation NEH Division of Preservation NEH Division of Preservation
and Access and Access IMLSIMLS NARANARA National Museum of DenmarkNational Museum of Denmark
Andrew W. Mellon FoundationAndrew W. Mellon Foundation NEH Division of Preservation NEH Division of Preservation
and Access and Access IMLSIMLS NARANARA National Museum of DenmarkNational Museum of Denmark
