How does specific gravity assist in spill control?

• A. It indicates the potential for the substance to explode
• B. It helps determine if the product will float or sink
• C. It predicts the temperature at which it will evaporate
• D. It outlines the chemical properties of the substance

Answer: (B)

Specific gravity is a critical factor in spill control because it helps determine whether a substance will float or sink in a given environment, such as water. This knowledge is crucial for responders when developing a containment and cleanup strategy for a hazardous material spill.

If a substance has a specific gravity less than 1, it is likely to float on water. This means that containment efforts must focus on preventing the spread of the floating substance and may involve using booms or other barriers to contain the spill. Conversely, if the specific gravity is greater than 1, the substance will typically sink, requiring different containment strategies because it may interact with the sediment at the bottom of a body of water or absorb into soil, complicating cleanup efforts. Understanding the buoyancy of the material involved directly influences how responders manage the spill and what precautions need to be taken.