U.S. Navy Ship Salvage Manual Volume 6 - Oil Spill Response

S0300-A6-MAN-060Expansion trunk or tank. A trunk extending above a space which is used for the stowage of liquidcargo. The surface of the cargo liquid is kept sufficiently high in the trunk to permit expansionwithout risk of excessive strain on the hull or of overflowing, and to allow contraction of theliquid without increase of free surface.Explosive range. See flammable limits.Federal On-Scene Coordinator (FOSQ). The Federal official predesignated by EPA or theUSCG to coordinate and direct Federal responses under the NCP, except for DOD HS releases.In the case of HS releases from DOD facilities or vessels, the DOD-appointed OSC is the FOSC.“Fence-type” boom. A boom consisting of a self-supporting or stiffened membrane supportedby flotation.Fire point. The lowest temperature at which a liquid fuel sustains combustion.Flammable limits. The range in which there is enough oxygen to ignite a vapor.Flammable liquid. Liquid with a flash point below 100 degrees Fahrenheit.Flash point. The lowest temperature at which a liquid fuel gives off sufficient vapor to form anignitable mixture near its surface.Float. That separable component of a boom that provides buoyancy.Flotation. That portion of a boom which provides buoyancy.Foreign areas. Any other countries, territories, or jurisdictions not contained under the definitionof U. S.Forepeak. The watertight compartment at the extreme forward end of a ship. The forward trimmingtank.Freeboard, boom. The vertical height of a boom above the waterline.Groin. A shore protection structure built (usually perpendicular to the shoreline) to trap littoraldrift or retard erosion of the shore.Gross buoyancy. The weight of fresh water displaced by a boom totally submerged.Gross buoyancy to weight ratio. Gross buoyancy divided by boom weight.Harbor. Any protected water area affording a place of safety for vessels.Heave response. The ability of a boom to react to the vertical motion of the water surface.Glossary-7