• Group 1 :
  • Volume received < 300 000 m³
  • Material yield < 0.45
  • Species : hardwood
• Group 2 :
  • Volume received < 300 000 m³
  • Material yield < 0.45
  • Species : softwood
• Group 3 :
  • Volume received < 300 000 m³
  • Material yield > 0.45
  • Drying : 100% of the production
• Group 4 :
  • Volume received < 300 000 m³
  • Material yield > 0.45
  • Drying : less than 100% of the production
• Group 5 :
  • Volume received > 300 000 m³