The tanks went up in flames at 13900 Piney Meetinghouse Road near Travilah Road (FO Day Industries) in Rockville shortly before 11:50 a.m., MCFRS Spokesperson Pete Piringer said.
The blaze involved several oil tanks containing liquid asphalt and used motor oil, prompting a response by HazMat crews in the area.
The fire was put under control with several crews still at the scene to monitor smoke conditions as of about 1:15 p.m., Piringer said.
The blaze caused volcano-like smoke that could be "seen for miles," according to local media crews:
Scroll down to view the full view video clip from Pete Piringer and other footage from the scene.
A media briefing was scheduled for 2 p.m., Piringer said.
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