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EPA Certification Exam Questions & Verified Answers | EPA 608 Refrigerant Certification, CFCs, HCFCs, HFCs, Ozone Depletion, Clean Air Act, Refrigerant Recovery, Recycling, Evacuation & Cylinder Requirements | Updated 2026/2027 | Instant Download

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Prepare for EPA refrigerant certification assessments with this comprehensive collection of exam-focused questions and verified answers covering EPA 608 fundamentals, refrigerant classifications, ozone protection, Clean Air Act requirements, refrigerant recovery and recycling, evacuation procedures, cylinder requirements, and HVAC/R environmental regulations. This resource is suitable for HVAC/R students, technicians, apprentices, and certification candidates seeking a focused review of essential EPA refrigerant-handling concepts. Topics covered include: • EPA 608 refrigerant certification fundamentals • CFC, HCFC, and HFC refrigerant classifications • R-12 CFC refrigerant • R-22 and R-123 HCFC refrigerants • R-134a HFC refrigerant • Chlorine content in refrigerants • Ozone depletion potential • Stratospheric ozone protection • Ozone layer and ultraviolet radiation • Chlorine and ozone destruction • Chlorine monoxide and ozone depletion • Global effects of stratospheric ozone depletion • Clean Air Act requirements • Class I and Class II refrigerants • Prohibited intentional refrigerant releases • EPA refrigerant regulations • Refrigerant recordkeeping requirements • Refrigerant compliance violations • System evacuation requirements • Refrigerant recovery procedures • Active and passive refrigerant recovery • External refrigerant storage • Refrigerant recycling • Used refrigerant contamination reduction • Filter-drier recycling systems • Moisture and acidity removal • Particulate removal from refrigerant • Refrigerant dehydration • System evacuation and vacuum procedures • Vacuum-holding tests • Refrigeration system leak detection • Moisture in refrigeration systems • Non-condensable gases • Refrigerant charging preparation • Refrigerant cylinder requirements • Disposable refrigerant cylinders • Virgin refrigerant storage • Refillable recovery cylinders • Cylinder filling limits • Refrigerant storage and handling • HVAC/R refrigerant safety • Synthetic refrigeration lubricants • Alkyl benzene lubricants • HCFC-based refrigerant blends • Refrigerant system volume • Ambient temperature and evacuation • Refrigerant recovery equipment • EPA technician responsibilities • Environmental refrigerant regulations This study resource brings together important EPA certification concepts involving refrigerant chemistry, ozone depletion, regulatory compliance, recovery and recycling, evacuation, dehydration, cylinders, and refrigeration lubricants. It is useful for exam review, certification preparation, technician training, and reinforcing core HVAC/R refrigerant-handling knowledge. Instant Download provides convenient access to the material for study and revision on a computer, tablet, or mobile device.

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EPA Certification Exam
Questions Verified and
Provided with A+
Graded Answers Latest
Updated 2026

,Which Refrigerants contain the most chlorine?


CFC's


As of what date did it become unlawful to intentionally release Class 1 and Class 2
refrigerants to the atmosphere?


July 1, 1992


Which Refrigerants have the lowest zone depletion potential?


HFC's

, The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the
stratosphere is:


Chlorine


Stratospheric ozone consists of:


Three oxygen atoms


Stratospheric ozone depletion is a_______problem:


Global


The Gas in the stratosphere that protects us from ultraviolet radiation is:


Ozone


Which refrigerant is a CFC?


R-12


Which refrigerant is an HCFC?


R-123 & R-22

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