4. Quantifying flows and inventories

You will identify all the data needed to quantify flows and stocks:

• nature of product flows (purchased, imported, consumed, manufactured, sold, rejected or disposed of) ;

• quantification of the flow over the calendar year (tons or kilos per calendar year, taking into account the last three years and your future forecasts) ;

• duration and frequency of use, variability (tons per day, number of days of use per year, variation factors such as market, season, climate, etc.);

• minimum/maximum on-site inventory (tons) :

  • stores/warehouses ;

  • manufacturing ;

  • effluents and waste.

• replenishment...