PETROLEUM TURBINE OILS WITH DOPES Specifications (Incorporating Amendment 1: 04/1977; Amendment 2: 03/1979; Amendment 3: 11/1979; Amendment 4: 03/1981; Amendment 5: 05/1982; Amendment 6: 03/1983; Amendment 7: 03/1987; Amendment 8: 02/1989 and Amendment 9: 07/1992)