A bund consists of: an impervious bund wall or embankment surrounding the facility or tanks. an impervious floor within the bunded area. any joints in the floor or the wall, or between the floor and the wall.
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1 American (or Mexican) turquoise-term applied widely in the marketplace to relatively pale blue to greenish, commonly relatively porous turquoise, no matter what it geographic source. 2  Aztec stone-this term is applied to many things, including green turquoise. American (or Mexican) turquoise-term applied widely in the marketplace to relatively pale blue to greenish, commonly relatively porous turquoise, no matter what it geographic source. 2  Aztec stone-this term is applied to many things, including green turquoise.