D117 Standard Guide for Sampling, Test Methods, and Specifications for Electrical Insulating Oils of Petroleum Origin
D3487 Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus
D4378 Standard Practice for In-Service Monitoring of Mineral Turbine Oils for Steam, Gas, and Combined Cycle Turbines
D5222 Standard Specification for High Fire-Point Mineral Electrical Insulating Oils
D6224 Standard Practice for In-Service Monitoring of Lubricating Oil for Auxiliary Power Plant Equipment