Global Reporting Initiative+Hazardous Air Pollutant (HAP) emissions, GRI 305-7-a (formerly G4-EN21-a)+Siam Cement+2016+Discussion
Page 136 tells us that G4-en21 should be within pages 122 and 125. However these pages only tell us the oxides of Sulfur, Nitrogen, as well as the Particulate Matter. No reference to HAP.