Using the hydrological cycle can you describe the results of the contamination on the water supply from Hurricane Katrina,

1. Prepare a neat sketch of the dissolved oxygen concentration profile downstream of a wastewater treatment plant discharge and label the dissolved oxygen saturation (Csat), the initial dissolved oxygen concantration (Co), the initial dissolved oxygen deficit (Do), the critical travel time (t*crit), the critical deficit (Derit) and the minimum dissolved oxygen concentration (Cmin). O See pdf O Unsure Check

Contrast and compare Excreta disposal systems include both waterborne and dry sanitation systems.

Wastewater discharges from two businesses were sampled. The BOD concentrations from Company “A” and Company “B” were 400 mg/L and 250 mg/L within DO concentrations 2.5 mg/L and 6.2 mg/L, respectively. Which company discharge would cause the greatest reduction in Nitrogen concentration (nitrification) in the body of water the discharge was flowing into? Group of answer choices B A and B None of these A

Does New Jersey State have Maximum Contaminant Levels (MCLs) for PFAS in drinking water? If yes, what are they? If no, what other levels are used for PFAS? Are they mandatory?

Environment engg