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In World War I the 30th Infantry Division earned more Medals of Honor than any other American division. In World War II it spent more consecutive days in combat than almost any other outfit. Recruited mainly from the Carolinas and Georgia and Tennessee, they were one of the hardest-fighting units the U.S. ever fielded in Europe. What was it about these men that made them so indomitable? They were tough and resilient for a start, but this division had something else. They possessed intrinsic zeal to engage the enemy that often left their adversaries in awe. Their U.S. Army nickname was the...

The most common activated sludge operating problems causing poor plant performance are related to solids separation. Especially common are bulking and foaming. Without a proper scientific foundation to support the efforts of wastewater treatment plant management, many attempts to thwart bulking and foaming have failed. Manual on Solving Activated Sludge Bulking, Foaming, and Other Solids Separation Problems provides the critical scientific and practical underpinnings needed to understand and combat these problems. The third edition of this flagship text is a comprehensive, concise guide to...