General

Question 1

What is the primary objective of wastewater treatment?

Answer 1

To protect the downstream user of the receiving waters

Question 2

What is an organic waste?

Answer 2

A waste that comes from an animal or plant. All these wastes contain carbon

Question 3

What is an inorganic waste?

Answer 3

Chemical substance of mineral origin

Question 4

What are the different kinds of solids?

Answer 4

Total, Suspended, Dissolved, Inorganic, Organic, and Floatable

Question 5

What makes up total solids?

Answer 5

Dissolved + Suspended

Question 6

What makes up suspended solids?

Answer 6

Settleable + nonsettleable

Question 7

What does NPDES stand for?

Answer 7

National Pollutant Discharge Elimination System

Question 8

What is the purpose of NPDES Permits?

Answer 8

The permits were created to regulate the amount of pollutants allowed into the receiving waters.

Question 9

What act enforces NPDES Permits?

Answer 9

Federal Water Pollution Control Amendments of 1972

Question 10

What are some diseases that can be spread through wastewater?

Answer 10

Typhoid, Cholera, Dysentery, Polio, and Hepatitis

Question 11

What velocity are collection sewers designed for?

Answer 11

2 ft/sec

Question 12

How often are man-holes placed in a collection system?

Answer 12

Every 300-500 ft

Question 13

What are some potential problems in a collection system?

Answer 13

Hydrogen sulfide, septic conditions in low flow areas, I & I, grease & oil