Global Reporting Initiative+Hazardous Waste Recycled, GRI 306-2-a (formerly G4-EN23-a)+Statoil+2019+Discussion
In page 43, hazardous waste recovered = 83% => 0.83 * 318,000 = 263,940 (tonnes)
In page 43, hazardous waste recovered = 83% => 0.83 * 318,000 = 263,940 (tonnes)