MT#1 - MIDTERM#1(NO SOLN)

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CEE 350 Environmental Pollution and Control Mid-Term Test #1 October 6, 2011 (Thursday) 7:10-9:10PM (120 Minutes) Closed Book, Closed Note, No cell phone on your desk Formulae are on the last page (100 points total) PART A. Short Answer Questions – Be succinct and get to the point – Write Legibly!! Each question is worth 10 points ( 3 questions, 30 points total) A1. Explain the difference between two important physical water parameters; Total Suspended Solids (TSS) and Turbidity. (10 pts) A2. Many forms of contaminant transport can be expressed in terms of the total flux, J , including surface/subsurface contaminant migration, atmospheric plume models, etc. a) Define the term “flux” first, what is it? (4 pts) b) Briefly describe each flux element shown in the total flux expression below. You’d draw a schematic for each flux element if necessary. (6 pts) dx dC E dx dC D UC J c x c m c - - = A3. Describe Cyrptosporidium a) What is it and what it does in terms of water quality? (6 pts) b) Which particular water quality regulation/legislation is corresponding to it (to do what)? (4 pts) Page 1 of 9
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CEE 350 Environmental Pollution and Control Mid-Term Test #1 October 6, 2011 (Thursday) 7:10-9:10PM (120 Minutes) PART B . Short Calculation Questions – Show all of your steps neatly on one-side of the sheet only . Give your answers only up to 2 decimal points. ( 3 questions, 70 points total) B1. (20 points) 3 Three existing gypsum processing plants; Hard Knock, Inc., Gypsum’R Us, LLC and Acme Board, Inc. discharge their wastewater streams to the James River. Wastewater streams are merged first at a small settling pond near the river, and then discharged into the river. A new processing plant, Rock Solid, Ltd. , had started its operations last week and its wastewater stream is now also discharged into the same settling pond. Characteristics of wastewater streams – that all 4 wastewater streams will be merged
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MT#1 - MIDTERM#1(NO SOLN)

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