Practice Test Geeks(PC) Plumber Certification Practice Test
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Environmental & Hazard Management Flashcards

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

Read the first 7 Environmental & Hazard Management flashcards as text

  1. Which federal agency regulates the disposal of hazardous waste generated during plumbing renovations?

    Answer: EPA

    The Environmental Protection Agency (EPA) regulates hazardous waste disposal under RCRA (Resource Conservation and Recovery Act).

  2. When working in a confined space with potential for toxic gas accumulation, what must be done before entry?

    Answer: Test the atmosphere for oxygen, flammable, and toxic gases

    OSHA requires atmospheric testing for oxygen levels, flammable gases, and toxic contaminants before any confined space entry.

  3. What is the primary concern when soldering copper pipes in an enclosed space without adequate ventilation?

    Answer: Inhalation of flux fumes and lead vapors

    Flux fumes and any lead-based solder vapors are toxic and can accumulate to dangerous levels in poorly ventilated spaces.

  4. Under the Safe Drinking Water Act, which type of solder is prohibited for use in potable water supply systems?

    Answer: Solder containing more than 0.2% lead

    The SDWA prohibits solder containing more than 0.2% lead in potable water systems to prevent lead contamination.

  5. A plumber discovers black mold growing behind a wall during a bathroom remodel. What is the correct first action?

    Answer: Stop work and notify the property owner and supervisor

    Work should be stopped and the discovery reported so proper mold remediation protocols and testing can be arranged by qualified professionals.

  6. What is the maximum allowable level of lead in drinking water at the consumer's tap under EPA action level guidelines?

    Answer: 15 ppb

    The EPA action level for lead in drinking water is 15 parts per billion (ppb) at the consumer's tap.

  7. Which chemical is commonly used to disinfect a water distribution system after repair and must be properly flushed before returning to service?

    Answer: Chlorine bleach solution

    A chlorine bleach solution (sodium hypochlorite) is the standard disinfectant for water mains and pipes after repair, and must be fully flushed afterward.