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Waste Collection and Transportation Practices 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 Waste Collection and Transportation Practices flashcards as text

  1. Which federal agency primarily regulates the transportation of hazardous waste on US roadways?

    Answer: DOT/PHMSA

    The Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) regulates hazardous materials transportation under 49 CFR.

  2. A rear-loading collection vehicle experiences a hydraulic failure mid-route. What is the immediate priority?

    Answer: Park safely, secure the load, and contact dispatch for maintenance

    A hydraulic failure creates a load-securing hazard; the crew must park safely and notify dispatch before any further action.

  3. What does the term 'payload efficiency' refer to in waste collection?

    Answer: The percentage of vehicle capacity utilized per trip

    Payload efficiency measures how fully a collection vehicle's weight or volume capacity is used on each trip to minimize unnecessary runs.

  4. Under RCRA Subtitle C, a hazardous waste transporter must obtain an EPA ID number and comply with manifest requirements. Who issues the EPA ID number?

    Answer: The authorized state agency or EPA directly

    EPA ID numbers for hazardous waste transporters are issued by the authorized state environmental agency or directly by EPA in unauthorized states.

  5. Which routing strategy is most effective at minimizing vehicle travel distance in a residential collection operation?

    Answer: Serpentine or boustrophedon routing

    Serpentine (boustrophedon) routing minimizes left turns and deadhead miles by collecting both sides of a street in sequence.

  6. What is the primary reason automated side-loading (ASL) collection vehicles reduce workers' compensation claims?

    Answer: They eliminate manual lifting by using a mechanical arm to empty carts

    ASL vehicles use a robotic arm to lift and empty carts, eliminating manual handling that causes musculoskeletal injuries.

  7. When planning collection routes in a municipality with steep grades, which vehicle specification is most critical to evaluate?

    Answer: Engine torque and braking system capacity

    Steep grades demand high engine torque for climbing and robust braking systems for safe descent with a heavy load.