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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Most quality turquoise from the United States is found in the Southwest, particularly in Arizona, New Mexico, Nevada, Colorado, and California.Turquoise was sacred to Native Americans even before the arrival of Columbus. Most of the mines in these states have run dry and few are operating commercially these days.alifornia. In comparison with Arizona, California is a small player in the turquoise world. Turquoise has been found in the Llanada copper mine in San Benito County; and the Baker, Gove and Apache Canyon mines in San Bernardino County.