HYANNIS – Barnstable fire crews closed a large section of the BJ’s Wholesale Club parking lot in Hyannis around noon Friday.
Firefighters say there was an unknown oily substance that had spread across the pavement.
A hazardous materials cleanup company was called to the scene to cleanup the substance and dispose of it.
The cleanup was finished late Friday night.
The substance is believed to have come from a sander or snow plow.