GALVESTON The thick, tarry oil that is drifting in Galveston Bay and washing up on local shorelines is both a popular fuel source and the byproduct of the oil refinery process.

The technical name for the substance is IFO-380, but it is commonly known as heavy fuel oil. On Tuesday, a General Land Office official said heavy fuel oil is what s left in oil after other products such as gasoline, diesel and kerosene had been stripped away.

It s commonly referred to as bottom of the barrel stuff, said Greg Pollack, deputy commissioner for the land office s Oil Spill Prevention and Response division.

Click here to read more at the Galveston County Daily News.

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