Under which federal law are the refrigerant recovery and recycling requirements enforced by the EPA Section 608 program established?
Core Clean Air Act Montreal Protocol
Question · Easy
Gray body, yellow top
Short
EPA 608 Universal Certification Exam Guide 2026: Core, Type I-III, Passing Scores, and the New HFC Rules
A source-checked EPA 608 Universal guide: the 100-question structure, the 70% and 84% passing rules, why an open-book Core cannot count, the 2026 AIM Act changes, and a section-by-section study plan.
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Which type of chlorine-containing compound is primarily responsible for the destruction of stratospheric ozone?
Core Environmental Impacts
Refrigerant class that includes R-12 and has a higher ozone-depletion potential than HCFCs.
Refrigerant science
Guess the Term
Introduction & EPA Section 608 Regulatory Framework
1.1 EPA Section 608 Certification Scope & Exam Mechanics
Study guide
The international agreement that schedules the phaseout of ozone-depleting substances worldwide is known as the:
Read the clue and guess the term in 6 tries.
Game
What do the 'three R's' of responsible refrigerant management stand for?
Core Three R Definitions
Refrigerant class that includes R-22 and has an ozone-depletion potential between CFCs and HFCs.
To be sold as 'reclaimed' refrigerant, the material must be processed to meet the purity specification of which standard?
Question · Medium
Never vent refrigerant
Knowingly venting CFC and HCFC refrigerants during the maintenance, service, repair, or disposal of appliances is:
Refrigerant class that includes R-134 and has zero ozone-depletion potential.
1.2 Clean Air Act Title VI & International Accords
Which of the following releases is considered an allowable (de minimis) release and is NOT a violation of the venting prohibition?
Swap tiles to line up three of the same term.
Term Match
A technician who improperly vents refrigerant in violation of the Clean Air Act can be subject to fines of up to what amount per day, per violation?
Index used to rank a chemical's stratospheric damage, with CFC-11 fixed at 1.0.
Which Type of EPA Section 608 certification is required to service or dispose of high-pressure and very-high-pressure appliances?
Core Section 608 Regulations
Which refrigerant is classified as a high-pressure refrigerant covered by Type II certification?
Index that measures heat absorbed over a set period, usually 100 years, relative to carbon dioxide.
1.3 The Venting Prohibition & De Minimis Releases
R-410A, a common high-pressure refrigerant used in modern residential and light-commercial air conditioning, is best described as a:
Core Substitute Refrigerants And Oils
Flip two cards at a time to find matching terms.
Term Pairs
When recovering a zeotropic blend such as R-407C from a system, refrigerant should be removed:
Type 2 Recovery Techniques
Question · Hard
2020 law that authorizes EPA to phase down production and consumption of HFCs.
Refrigerant policy
A high-pressure appliance, such as one charged with R-22 or R-410A, has a full charge of less than 200 pounds. Using recovery equipment manufactured on or after November 15, 1993, it must be evacuated before a major repair to:
Type 2 Recovery Requirements
A high-pressure appliance, such as an R-22 supermarket rack, has a full charge of 200 pounds or more. Using recovery equipment manufactured on or after November 15, 1993, it must be evacuated before a major repair to:
Condition, measured in inches of mercury, that technicians must pull on an appliance before opening it for service or disposal.
Evacuation and recovery
Refrigerant Chemistry, Environmental Impacts & Classifications
2.1 Stratospheric Ozone Layer Depletion & Atmospheric Chemistry
Recovery equipment used to evacuate a very-high-pressure appliance (such as one charged with R-13 or R-503) must reduce the system pressure to at least:
Find five hidden terms in a grid of letters.
Term Search
A 'major' repair that triggers the required evacuation levels before opening a high-pressure system includes replacement of which component?
Pressure unit that needs 14.7 added to convert it to an absolute reading.
If, during evacuation, leaks in a high-pressure appliance make the required vacuum level unattainable, the EPA allows the leaking components to instead be evacuated to:
System-dependent (passive) recovery equipment may NOT be used on appliances containing more than how much refrigerant?
Classification of maintenance, service or repair that involves removing a compressor, condenser, evaporator or auxiliary heat exchange coil.
2.2 Global Warming Potential & Refrigerant Chemical Families
Self-contained (active) recovery equipment is distinguished by the fact that it:
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Recovery equipment used with Type II high-pressure appliances must be certified by an EPA-approved testing organization to meet which standard?
State of refrigerant that should be recovered first because doing so speeds the process.
Owners of comfort-cooling appliances normally containing 50 pounds or more of refrigerant must repair leaks when the annual leak rate exceeds:
Type 2 Leak Repair Requirements
For commercial refrigeration appliances containing 50 pounds or more, the annual leak rate that triggers a required repair is:
Organization whose Standard 740 is the basis for certifying recovery and recycling equipment.
2.3 Refrigerant Blends, Fractionation & Temperature Glide
For industrial process refrigeration appliances containing 50 pounds or more, the annual leak rate that triggers a required repair is:
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