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Exam (elaborations)

TCEQ questions with correct answers

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New Surface water reservoirs in Texas? CORRECT ANSWER-declines in certain areas. Sequestering manganese question? CORRECT ANSWER-Does not allow manganese to combine with oxygen. Lead % in pipe and solder and flux? CORRECT ANSWER-Max lead is 0.25%, lead and solder flux 0.2% Action level for Lead? CORRECT ANSWER-Lead action level is .015% How do you know you have a TTHM MCL violation? CORRECT ANSWER-Locational running average of all samples exceeds TTHM maximum contaminant level is .080. NOTE: Pick the one that says LOCATIONAL and 0.080 TTHM averages 0.060, 0.080, 0.080 and 0.090. Add together and multiply time x4. What has occurred? CORRECT ANSWER-The avg. does not exceed 0.080 so this is not a MCL violation. This is an operational level violation and an operational assessment will need to be performed. Groundwater system has 2 pressure planes with 100 connections each. How many pumps, and the GPM is required? CORRECT ANSWER-Must have 2 or more pumps per pressure plane or pump station @ 0.2gpm total capacity. 4 pumps, 200gpm What is a bolson aquifer? CORRE


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