Richard Nixon: “Crude Oil' means a mixture of hydrocarbons that existed in the liquid phase in natural underground reservoirs and…”

“Crude Oil' means a mixture of hydrocarbons that existed in the liquid phase in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating processes (and are not natural gas products) and the initial liquid hydrocarbons (at atmospheric conditions) produced from tar sands, gilsonite, and oil shale.”