CPWM Waste Characterization and Classification 3

Question 1

Which analytical method is most commonly used to determine total metals content in solid waste samples?

Accepted Answer

SW-846 Method 6010 (ICP-OES)

Answer

EPA SW-846 Method 6010 uses Inductively Coupled Plasma – Optical Emission Spectrometry to quantify total metals in solid and liquid waste matrices.

Question 2

Municipal solid waste (MSW) composition studies typically use which methodology to characterize waste streams by material category?

Accepted Answer

Sort and weigh (waste sort) methodology

Answer

Waste sort (sort and weigh) studies physically separate and weigh material categories such as paper, food, plastics, and metals to characterize MSW composition.

Question 3

Under DOT regulations, what document is required to accompany a hazardous waste shipment during transport?

Accepted Answer

Uniform Hazardous Waste Manifest

Answer

The Uniform Hazardous Waste Manifest (EPA Form 8700-22) must accompany every off-site shipment of RCRA hazardous waste from generation through final disposal.

Question 4

Which of the following wastes is specifically excluded from RCRA Subtitle C hazardous waste regulations?

Accepted Answer

Household hazardous waste

Answer

Household hazardous waste (HHW) is explicitly excluded from RCRA Subtitle C under 40 CFR 261.4(b)(1), even though it may contain hazardous materials.

Question 5

What is the key difference between 'solid waste' and 'hazardous waste' under RCRA?

Accepted Answer

Hazardous waste is a subset of solid waste that meets listing or characteristic criteria

Answer

RCRA defines 'solid waste' broadly (including liquids and gases) and hazardous waste is a subset of solid waste that either appears on EPA lists or exhibits ignitability, corrosivity, reactivity, or toxicity.

(CPWM) Certified Professional in Waste Management Practice Test

(CPWM) Certified Professional in Waste Management Practice Test

CPWM Waste Characterization and Classification 3