Midterm Fast Facts

Question 1

MSW Management %

Answer 1

Recycled 25%
Composted 12%
Combusted 12%
Landfilled 49%

Question 2

MSW Generation %

Answer 2

Paper 27%
Food 15%
Yard Trimmings 14%
Plastics 13%

Question 3

Transfer Station Technology

Answer 3

Open top transfer trailers (direct load or push from tipping floor)
Surge pit (stores waste, bulldozer compacts, increase load)
Pre-compactor system
Bails
Intermodal Container System

Question 4

Materials Recovery Facility

Answer 4

1. Trucks are emptied of their contents on the tip floor
2. Recyclables are scooped up in a payloader & dropped into drum feeder
3. Materials are sent through star screens (fiber-container, commingled) where plastic bags and larger pieces of cardboard are separated out
4. Eddy current separator mechanically sorts out aluminum recyclables
5. Bailers compact recyclables
6. Optical sorters for plastic containers, paper, and film

Question 5

Composting Equation

Answer 5

Complex organics + oxygen yield = CO2 + H2O + NO3 + SO4^2- + other less complex organics + heat

Question 6

OAC 3745-27 Plan Drawings

Answer 6

1. The north arrow
2. Occupied structures
3. The location of survey marks
4. The facility boundary

Question 7

OAC 3745-27 Criteria

Answer 7

1000ft from natural area
1000ft from home
200ft from surface water body
1000ft from water supply well

Question 8

40 CRF Part 264 Landfill Requirements

Answer 8

1. geomembrane liner
2. Leachate collection system
3. leak detection system

(leachate collection system, geomembrane liner, leak detection system, composite liner)

Question 9

40 CRF Part 264 Land Treatment Units

Answer 9

1. rate & method of waste application to treatment zone
2. measures to control soil pH
3. measure to enhance microbial & chemical reactions
4. measures to control the moisture contact of the treatment zone

Question 10

Closure & Post Closure

Answer 10

1. Maintain integrity & effectiveness of final cover
2. Operate leachate collection/removal system
3. Maintain & monitor leak detection system
4. Maintain & monitor groundwater monitoring system