8. Waste Management and Chemicals 8.1. Chemicals Table 8.1-1. Summary of maximum potential volumes oils, fuels, and lubricants per wind turbine generator. System/Component Oil/Fuel Type Oil/Fuel Volume Bearings and Yaw Pinions Grease* 187 gallons Hydraulic Pumping Unit, Hydraulic Pitch Actuators, Hydraulic Pitch Accumulators Hydraulic Oil 40 gallons Drive Train Gearbox (if applicable), Yaw Drives Gearbox Gear Oil 106 gallons Transformer Dielectric Fluid 1,585 gallons Emergency Generator Diesel Fuel 793 gallons Switchgear Sulfur Hexafluoride (SF₆) 243 lbs Transformer and Converter Cooling . . .
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