EPA 608 UNIVERSAL
TESTED QUESTIONS AND COMPLETE SOLUTIONS
Question 1.
What is the maximum filling capacity for recovery cylinders?
ANSWER
Never fill above 80% capacity.
Question 2.
What is the importance of maintaining accurate records?
ANSWER
To comply with reporting requirements and ensure proper refrigerant management.
Question 3.
What is required for the hydrostatic testing of cylinders?
ANSWER
Hydrostatic testing is required every five years.
Question 4.
What must be used to measure system pressures?
ANSWER
Manifold gauges.
Question 5.
What must technicians not do with contaminated refrigerant in the field?
ANSWER
Recycle contaminated refrigerant; it must be sent to a reclaimer or waste handler.
1/8
, Question 6.
What should technicians verify in addition to federal EPA regulations?
ANSWER
Compliance with state and local codes.
Question 7.
What is the recovery procedure for blends of refrigerants?
ANSWER
Always recover as liquid to prevent fractionation.
Question 8.
What must owners provide for appliances with ≥50 lbs refrigerant?
ANSWER
Invoices indicating amount added, leak inspections, and repair verification records.
Question 9.
What is a key tool for leak detection?
ANSWER
Leak detectors, including electronic, ultrasonic, and bubble testing tools.
Question 10.
What is required during the handling of A2L refrigerants?
ANSWER
No open flames or ignition sources, use of explosion-proof recovery equipment, and proper
ventilation.
Question 11.
What is a common substitute for R-12 in small appliances?
ANSWER
R-134a.
2/8
TESTED QUESTIONS AND COMPLETE SOLUTIONS
Question 1.
What is the maximum filling capacity for recovery cylinders?
ANSWER
Never fill above 80% capacity.
Question 2.
What is the importance of maintaining accurate records?
ANSWER
To comply with reporting requirements and ensure proper refrigerant management.
Question 3.
What is required for the hydrostatic testing of cylinders?
ANSWER
Hydrostatic testing is required every five years.
Question 4.
What must be used to measure system pressures?
ANSWER
Manifold gauges.
Question 5.
What must technicians not do with contaminated refrigerant in the field?
ANSWER
Recycle contaminated refrigerant; it must be sent to a reclaimer or waste handler.
1/8
, Question 6.
What should technicians verify in addition to federal EPA regulations?
ANSWER
Compliance with state and local codes.
Question 7.
What is the recovery procedure for blends of refrigerants?
ANSWER
Always recover as liquid to prevent fractionation.
Question 8.
What must owners provide for appliances with ≥50 lbs refrigerant?
ANSWER
Invoices indicating amount added, leak inspections, and repair verification records.
Question 9.
What is a key tool for leak detection?
ANSWER
Leak detectors, including electronic, ultrasonic, and bubble testing tools.
Question 10.
What is required during the handling of A2L refrigerants?
ANSWER
No open flames or ignition sources, use of explosion-proof recovery equipment, and proper
ventilation.
Question 11.
What is a common substitute for R-12 in small appliances?
ANSWER
R-134a.
2/8
