in respect of heavy oils falling within heading ex2710 only, desulphurisation with hydrogen resulting in a reduction of at least 85 % of the sulphur content of the products processed (ASTM D 1266-59 T method);
maidir le holaí troma a thagann faoi cheannteideal ex2710 amháin, díshulfarú le hidrigin a bhfuil laghdú 85 % ar a laghad de chion sulfair na dtáirgí a próiseáladh (Modh ASTM D 1266-59 T);