- The different categories of waste generated in 2006 in millions of tonnes:

   - cardboard, paper and paper-cardboard mixtures,
   - wood waste (unwanted and unused palettes, used wooden crates and boxes, shavings, sawdust, bark, etc.),
   - ferrous or non-ferrous metals,
   - plastic materials (polyethylene, expanded polystyrene, film, bags, containers, etc.),
   - glass (bottles, etc.),
   - discarded equipment,
   - garden waste, food waste, etc.;

- The destination of waste and how this is managed and monitored: sorting unit or waste reception centre, recycling or recovery of materials, energy re-use, land fill;

- The perception by establishments of the process of waste management: environmental concerns, economic issues, how to rationalise these operations, restriction or obligation, extra cost;

- The resources put into organising waste management:

   - waste management organisation in place,
   - dedicated staff,
   - employee awareness and training,
   - availability of sorting equipment,
   - existence of waste management methods shared between several establishments or with other establishments in the company or also at group or network level,
   - with establishments from other companies on the same site.