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Hazardous Waste Management Flashcards

7 cards from real CPWM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Hazardous Waste Management flashcards as text

  1. Under RCRA, which waste management activity is considered 'recycling' and may exempt material from hazardous waste regulation?

    Answer: Burning for energy recovery in a cement kiln under applicable standards

    Burning hazardous waste for energy recovery in a permitted industrial furnace or boiler can qualify as recycling under specific RCRA conditions.

  2. What is the 'mixture rule' under 40 CFR 261.3(a)(2)(iv) in the context of RCRA hazardous waste?

    Answer: Any mixture of listed hazardous waste with solid waste remains a listed hazardous waste

    The mixture rule states that any mixture containing a listed hazardous waste retains its listed status regardless of dilution.

  3. A hazardous waste storage tank at a TSDF fails a weekly inspection. What is the required immediate action under 40 CFR Part 264 Subpart J?

    Answer: Remove the waste, assess the problem, and repair or replace the tank before returning it to service

    Upon detecting a tank system failure, the TSDF must remove waste and inspect the tank; repairs must be completed before the system is returned to service.

  4. Which of the following is an example of a 'K-listed' hazardous waste?

    Answer: Wastewater treatment sludge from electroplating operations

    K-listed wastes are source-specific, such as K062 (spent pickle liquor and sludges from electroplating), generated by particular industries.

  5. Under the Emergency Planning and Community Right-to-Know Act (EPCRA), what triggers a facility's obligation to notify the Local Emergency Planning Committee (LEPC)?

    Answer: Having an Extremely Hazardous Substance at or above its Threshold Planning Quantity

    EPCRA Section 302 requires facilities to notify the LEPC when an Extremely Hazardous Substance is present at or above its Threshold Planning Quantity.

  6. What does 'contained-in' determination mean under RCRA hazardous waste regulations?

    Answer: An authorized agency determination that environmental media no longer contains hazardous waste

    A 'contained-in' determination by an authorized state or EPA means that contaminated environmental media no longer contains hazardous waste and is no longer subject to RCRA management standards.

  7. Which financial assurance mechanism requires a facility to set aside funds annually over the facility's operating life to ensure closure and post-closure care costs are covered?

    Answer: Closure trust fund

    A closure trust fund requires annual payments into a third-party trustee account, building up to the full closure cost estimate over the facility's life.