Mysterious oily substance on beach surrounded by restaurants eh?

Cleanup has begun at McAbee Beach in Monterey after an oily substance was found in the sand in February. Crews were removing contaminated sediment Tuesday from the area near Cannery Row where they discovered the petroleum substance, according to the Monterey County Health Department.
The substance is leaking from the foundation of an old building on the beach, but the source of the substance is still unknown.