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Is the High Expansion Foam a proper fire extinguishing agent for LPG Impounding pond fire?

Question asked by Talay Petcharat on Aug 16, 2017
Latest reply on Aug 18, 2017 by nocivus

Dear Expert!

I have seen many places are adopting the practice of using the high-expansion foam for their impounding pond which take the spill of LPG from the sphere tank. 

As I go through NFPA 11, it states as below quoted;

As per my understanding, there is a risk from vapor cloud formation under foam blanket and reignition.

Hence I still not sure whether, using of water spray to disperse the spill liquid or using high-expansion foam, which one is the best fire fighting strategy.

 

Please advise or share your experience.

 

Thank you

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