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EPA Regulations & Safety Compliance Flashcards

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

Read the first 7 EPA Regulations & Safety Compliance flashcards as text

  1. What does the term 'de minimis release' mean in the context of EPA Section 608 regulations?

    Answer: Releases from purging hoses and connections that are unavoidable during good-faith recovery

    De minimis releases are small, unavoidable refrigerant releases that occur when purging hoses or making connections during good-faith recovery efforts, and these are not considered violations.

  2. When must a technician use a self-contained (active) recovery machine rather than a system-dependent device under Section 608?

    Answer: When the appliance compressor is not operational

    System-dependent (passive) recovery relies on the system's compressor; when the compressor is non-functional, a self-contained (active) recovery machine must be used.

  3. Under the Montreal Protocol's phase-out schedule, what year did the complete production ban on Class I CFCs (like R-11 and R-12) take effect in the United States?

    Answer: 1996

    The United States banned the production and import of Class I ozone-depleting substances, including CFCs like R-11 and R-12, effective January 1, 1996.

  4. Which of the following is a requirement for refrigerant reclaimers under EPA Section 608?

    Answer: They must be certified and registered with the EPA

    Refrigerant reclaimers must be certified by the EPA and registered with the agency to legally reclaim and resell recovered refrigerant.

  5. A technician is servicing a low-pressure centrifugal chiller using R-11. What is the primary safety concern unique to this type of system?

    Answer: System operates below atmospheric pressure, risking air and moisture infiltration

    Low-pressure systems like R-11 chillers operate below atmospheric pressure (in a vacuum), so any leak draws air and moisture into the system rather than pushing refrigerant out.

  6. Under EPA regulations, which of the following activities DOES NOT require Section 608 certification?

    Answer: Installing a pre-charged self-contained window AC unit

    Installing a pre-charged, self-contained window air conditioning unit does not require Section 608 certification because no refrigerant handling or servicing of the refrigerant circuit is involved.

  7. What Global Warming Potential (GWP) does R-410A have compared to carbon dioxide (CO2)?

    Answer: Approximately 2,088 times CO2

    R-410A has a GWP of approximately 2,088, meaning it traps about 2,088 times more heat than CO2 over a 100-year period, making it a significant greenhouse gas.