CRP Collection Systems & Logistics

Question 1

What is the primary advantage of a single-stream recycling collection system compared to a dual-stream system?

Accepted Answer

Increased resident participation due to collection convenience

Answer

Higher commodity purity in the recyclable stream

Answer

Lower MRF processing and sorting costs

Answer

Reduced glass breakage during collection

Question 2

Which collection frequency factor most directly affects the cost per ton of curbside recycling collection?

Accepted Answer

Route density (number of stops per route mile)

Answer

Bin color scheme used by the program

Answer

Seasonal temperature variation

Answer

Type of commodity end-market contract

Question 3

A drop-off recycling center accepts materials 24/7 without staff. What is the most common operational problem associated with unstaffed drop-off sites?

Accepted Answer

High contamination and illegal dumping of non-recyclable waste

Answer

Theft of valuable commodities such as aluminum

Answer

Overloading of bins causing structural damage

Answer

Inadequate signage leading to low utilization

Question 4

What is 'set-out rate' as used in curbside recycling program evaluation?

Accepted Answer

The percentage of eligible households that place their recycling bin at the curb on a given collection day

Answer

The weight of recyclables collected per household per year

Answer

The number of bins distributed per service route

Answer

The fraction of collected material that is ultimately recycled

Question 5

Which type of collection vehicle is specifically designed to collect source-separated recyclables in multiple compartments without mixing materials?

Accepted Answer

Split-body or compartmentalized collection truck

Answer

Rear-loader compactor

Answer

Roll-off container truck

Answer

Front-loader automated side-load truck

Question 6

What is 'co-collection' in the context of residential recycling programs?

Accepted Answer

Collecting recycling and organics (food scraps/yard waste) on the same truck in separate compartments

Answer

Combining residential and commercial recycling routes

Answer

Collecting recyclables at the same time as refuse in adjacent trucks

Answer

Sharing collection contracts between multiple municipalities