Lecture 03-20-2017

Question 1

1 cells of MSW =

Answer 1

1 day of trash covered over with soil

Question 2

Waste to soil ratio @ Sanitary Landfills

Answer 2

4:1 or 3:1

Question 3

Sanitary Landfills

Answer 3

Engineered method of waste disposal

Question 4

Application of Rodenticides

Answer 4

If application is not strategic, rodenticides can spread through the food chain (e.g., wolves in Algonquin).

Question 5

Process of dumping MSW at a sanitary landfill.

Answer 5

1. Consolidate and compact
2. Dig a hole
3. Push it in
4. Cover it up

Question 6

Inert Fill

Answer 6

Dump on muskeg–need to put down clay rich soil first as an “inert fill”

Question 7

Koshe Dump, Addis Ababa, Ethiopia (capital city of Ethiopia)

Answer 7

Landslide of garbage killed 50+ people.

Question 8

Health Hazards of Open Dumps

Answer 8

1. Contaminants entering groundwater and surface water
   runoff
2. Leachate
3. Vermin (e.g., rats–disease vector)
4. Scavenging by humans–can become disease vectors themselves
5. Burning of garbage extends below the surface–can burn for a really long time
6. Aesthetic degradation