Global Reporting Initiative+Sulfur Oxide (SOx) emissions, GRI 305-7-a (formerly G4-EN21-a)+Petrochemical Industries Company (K.S.C)+2013+Discussion

G4-EN21 listed on their GRI Index (page 81-83 of 89) - reported under G3.1-EN20

G3.1-EN20 discussed on page 51 of 89

SOx value estimated off of first graph on page