ABSTRACT Gas Oil 50 ppm is a new product issued by PT. Pertamina RU II Dumai which has a maximum sulphur figure of 50 ppm. This product is a byproduct of regular Diesel fuel but is superior in quality and low in sulphur figures obtained in this product. Gas Oil 50 ppm is made with several types of products, namely Light Gas Oil (LGO), Diesel, and Heavy Kerosene using the Blending method. T…