Disposition of Hazardous Materials Flashcards
7 cards from real CHMM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Disposition of Hazardous Materials flashcards as text
What is the primary purpose of the National Priorities List (NPL) under CERCLA?
Answer: To identify sites eligible for long-term remedial response using the Hazard Ranking System
The NPL identifies sites eligible for CERCLA-funded long-term remedial action based on Hazard Ranking System scores reflecting risk to human health and environment.
A company exports hazardous waste to a foreign country for recovery. Under RCRA, which U.S. notification requirement applies?
Answer: The exporter must notify EPA and receive written consent from the receiving country before export
RCRA Section 3017 and 40 CFR Part 262 Subpart H require exporters to notify EPA and receive written consent from the receiving country prior to export.
Which CERCLA remedy selection criterion requires that the chosen remedy comply with applicable or relevant and appropriate requirements (ARARs)?
Answer: Compliance with ARARs
One of CERCLA's nine remedy evaluation criteria specifically requires that remedies comply with or obtain waivers from applicable or relevant and appropriate requirements.
Under DOT 49 CFR, which hazardous materials quantity threshold triggers the requirement to use a certified hazmat employee for packaging, offering for transport, or transporting hazardous waste?
Answer: Any quantity of a material designated as hazardous by DOT
DOT requires that any person who handles, offers for transport, or transports hazardous materials in any quantity must be a trained and certified hazmat employee per 49 CFR 172.700.
A facility generates F003 listed hazardous waste (spent non-halogenated solvents). The waste is treated to non-detect levels for all listed constituents. It must still be managed as listed hazardous waste unless:
Answer: The facility obtains a delisting from EPA or an authorized state
Listed hazardous waste retains its listed status unless EPA or an authorized state grants a delisting petition for that specific waste from that specific facility.
Which RCRA financial assurance mechanism involves a facility owner depositing funds into an IRS-qualified trust fund to cover closure and post-closure costs?
Answer: Closure trust fund
A closure trust fund under 40 CFR 264.143 requires the owner/operator to make annual payments into a trust fund sufficient to cover estimated closure costs over the life of the facility.
When selecting a treatment method for a hazardous waste under RCRA LDRs, EPA's preferred hierarchy of management options places what approach at the highest preference level?
Answer: Treatment to destroy or reduce toxicity and mobility of hazardous constituents
RCRA's waste management hierarchy and LDR framework prioritize treatment that destroys or reduces the toxicity, mobility, or volume of hazardous constituents over land disposal.