Advanced Water Treatment Exam Questions with Latest Update

Air Strippers Granular Activated Carbon (GAC) - Answer-Best Available Technology (BAT) for treating VOCs (volatile organic compounds)? 24 Hours public notice 24 Hours to notify the state (primacy agency) Tier 1 violations are done by TV, radio, hand delivery - Answer-How long does a water utility have to notify the public on a Tier 1 Violation? Safe Drinking Water Act - Answer-Which regulation established MCL's? (maximum contaminant levels) Granular Activated Carbon (GAC) - Answer-Best Available Technology (BAT) for treating Inorganic (naturally occurring like lead, nitrite)? (1) Safe Drinking Water Act - Answer-Which regulation created the Disinfection/Disinfection Bi-Product Rule (D/DBPR)? (set MCL's for disinfection bi-products) -No pre-chlorination (wait until organics are filtered out) -Conventional Treatment -Granular Activated Carbon (GAC) - Answer-Best Available Technology (BAT) for treating Trihalomethanes? (3) Oxidation Powdered Activated Carbon and Conventional Treatment - Answer-Best Available Technology (BAT) for treating Odors? (3) EPA (Environmental Protection Agency) implements them. The state (WaterBoards) enforces them - Answer-What agency implements regulations and what agency enforces them? Fecal coliform positive Nitrate, nitrite or total nitrate MCL violation Chlorine dioxide MRDL Turbidity MCL violation Waterborne Disease outbreak Perchlorate MCL violation - Answer-Name some of the F***k ups a water utility can do to get hit with a Tier 1?