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  • Keep wet.
  • Retain adherent concretions.
  • Store separately from organic material.
  • Do not store dissimilar metals in the same storage container.
  • Consult a conservator for treatment advice.


  • Keep wet.
  • Retain concretions until treatment commences.
  • Store objects contaminated with metal corrosion products separately from uncontaminated artefacts.
  • Support fragile material on planks or netting.
  • Lift by the supports, not by the object.
  • Place cushioning between objects and the support material.
  • Begin treatment as soon as possible after recovery. Seek advice from a conservator.