In the NDL, the storage environment is controlled based on the theory of integrated pest management (IPM) and the cooperation of whole library divisions.

• Storage environment for National Diet Library
• Countermeasures against pest and mold damage based on IPM by the NDL (CDNLAO Newsletter No.68, July 2010)

• Cleaning mold-damaged materials [PDF:206KB]

NOTICE: This is a simple manual for treating library materials in general based on the cases in the National Diet Library. When you treat rare books or severely damaged materials, we recommend you to consult expert in conservation treatment.