3 Passive Preservation: Environmental Factors, Handling and Storage

Water/humidity (section 3.1)
Temperature (section 3.2)
Climatic storage conditions (section 3.3)
Mechanical deformation (section 3.4)
Dust, foreign matter, (air) pollution (section 3.5)
Light, ultraviolet radiation, x-rays (section 3.6)
Stray magnetic fields (section 3.7)

Each section covers the various carriers: mechanical, magnetic, optical, and solid state.