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TEXAS WASTEWATER CLASS A EXAM 2025-2026. QUESTIONS WITH 100% CORRECT AND VERIFIED ANSWERS. GUARANTEED A+ GRADED. Seeding of BOD samples is necessary when samples - Answer - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Answer - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 = 2,200 gpm - Answer - c. 2,200 gallons per minute
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