Global Reporting Initiative+Non-Hazardous Waste, GRI 306-2 (formerly G4-EN23-a)+Petrochemical Industries Company (K.S.C)+2012+Discussion
G4-EN23 listed on their GRI Index (page 86-87 of 89)
G4-EN23 discussed on page 70 of 89
Non-hazardous waste in the middle table