QUALITY CERTIFICATEPRODUCT: Russian Export Blend Crude Oil (REBCO)The Russian Export Blend Crude Oil (REBCO) to be delivered under this Contract shall have the following guaranteed by the Seller specifications:COMMODITY: RUSSIAN EXPORT BLEND CRUDE OIL (REBCO) IN ACCORDANCE WITH THE INTERNATIONAL SPECIFICATIONS AND STANDARDS FOR SUPPLY SET FORTH IN GOST 9965-75ORIGIN: WESTERN SIBERIA, RUSSIAN FEDERATIONSPECIFICATION:1 Density at 20 degrees C Gr. /cm. Cub. Max. 0.8702 Sulphur content % max. 1.83 Paraffin % max. 6.04 Water and Sediment Content % max 1.25 Distillation Vol. %- Up to 200 degrees- Up to 300 degrees- Up to 350 degrees Min. 21Min. 41Min. 506 Salts contents Mg/L max. 1007 Index API at 20 degrees C 32.00