K049 Slop oil emulsion solids from the petroleum refining industry.

Dome roof tanks are meant for tanks having slightly higher storage pressure than that of atmosphere (e.g. slop oil).

The explosion in the propylene unit "caused several places of fire, including asphalt tanks and slop oil tanks," according to a notice Alon filed Monday night with Texas pollution regulators.

However, the damage to the Exxon Valdez penetrated sections of the hull (the slops oil tanks, or slop tanks) that were protected by a double bottom, or partial double hull.

Dray was slopping oil over the side of the launch forward so that the surface of the sea stilled a little as it drifted and spread, slimy, black, smothering the sides of the dinghy in an evil scum which drove the sea water into shining globules on its surface.