What percentage of seawater to AFFF is used to make the final AFFF solution?

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Study for the DC 311 Aqueous Film Forming Foam (AFFF) Transfer Station Operator Exam. Improve your knowledge with flashcards and multiple choice questions. Understand the concepts with hints and explanations. Prepare thoroughly for your certification!

Multiple Choice

What percentage of seawater to AFFF is used to make the final AFFF solution?

Explanation:
Mixing AFFF with seawater follows a straightforward ratio: the final solution’s percentage refers to how much AFFF concentrate is in the mix. If the target is 6% AFFF, then the mix is 6 parts concentrate to 94 parts seawater. That means the final solution is 94% seawater and 6% AFFF. The other options would imply different concentrate percentages (for example, 50% AFFF or 10% AFFF), which aren’t the target here.

Mixing AFFF with seawater follows a straightforward ratio: the final solution’s percentage refers to how much AFFF concentrate is in the mix. If the target is 6% AFFF, then the mix is 6 parts concentrate to 94 parts seawater. That means the final solution is 94% seawater and 6% AFFF. The other options would imply different concentrate percentages (for example, 50% AFFF or 10% AFFF), which aren’t the target here.

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