Conservation science begins with the question of what a thing is made of and what conditions allow it to remain so. For most of the collection, this is a materials question. For a growing number of accessions, it is also a physics question, a temporal question, or a question whose answer is not yet safe to record in full. The department maintains working relationships with partner laboratories, some of which are not in the same frame as the main site.
The department's instruments are calibrated to the Meridian Standard — the institution's own master reference, held by the Office of Calibration — rather than to any single frame's absolute values. Readings that cannot be expressed on that scale are recorded in provisional calibration units and flagged for review. Several partner laboratories the department depends on are not in the same frame as the main site.
The work runs from ordinary materials analysis to the active maintenance of conditions a storage room would not otherwise hold. The institution draws no line between keeping a pigment stable and keeping a frame from expanding into the next room: both are logged as conservation and reviewed by the Conservation Committee at each quarterly meeting.
Analysis covers standard matter, substituted substrates, displaced mass histories, materials with a non-standard relationship to entropy, and residues whose chemical sequence is unclear, in dispute, or currently resolving. Several instruments produce readings that must be interpreted against the Meridian Standard rather than any single frame's absolute values.
Condition reports may include light, heat, vibration, pressure, silence, recurrence, witness reliability, chronological drift, ontological pressure, and the stability of local physics within the storage environment. Several storage rooms require continuous monitoring of parameters for which no Meridian-standard unit yet exists; these are tracked in provisional calibration units.
A number of accessions require the active maintenance of specific local conditions: particular gravitational references, spectral environments, adjusted decay sequences, suppressed temporal drift, or frames that must be prevented from expanding into adjacent storage. This work is logged as conservation, not facilities management, and is reviewed by the Conservation Committee at each quarterly meeting.