CPWM Hazardous Waste Management 3

Question 1

Under 40 CFR Part 264, what minimum liner system is required for new hazardous waste landfill units?

Accepted Answer

Double liner system with leachate collection between liners

Answer

New hazardous waste landfills must have a double liner with a leachate collection and removal system between the liners.

Question 2

The TCLP (Toxicity Characteristic Leaching Procedure) is used to determine whether a waste exhibits which hazardous characteristic?

Accepted Answer

Toxicity

Answer

TCLP simulates leaching in a landfill environment to assess whether a waste can release toxic constituents above regulatory levels.

Question 3

Which RCRA requirement mandates that TSDFs assess potential releases and implement corrective action for solid waste management units (SWMUs)?

Accepted Answer

Corrective Action (40 CFR Part 264 Subpart F)

Answer

RCRA Corrective Action under 40 CFR Part 264 Subpart F requires TSDFs to investigate and remediate releases from all SWMUs.

Question 4

A drum of spent solvent is labeled 'F005.' What does the 'F' listing designation indicate?

Accepted Answer

Non-specific source hazardous waste from common industrial processes

Answer

F-listed wastes are non-specific source wastes generated from common industrial processes such as solvent use, not tied to one industry.

Question 5

What is the regulatory purpose of Land Disposal Restrictions (LDRs) under RCRA?

Accepted Answer

Require treatment to reduce toxicity or mobility before land disposal

Answer

LDRs require hazardous wastes to be treated to specified standards to reduce their toxicity or mobility prior to land disposal.

(CPWM) Certified Professional in Waste Management Practice Test