EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
November 14, 1994 - (answer)What date was the sale of CFC's & HCFC's restricted to technicians
certified in refrigerant recovery?
Memorize it, ya'll. - (answer)1989-
Montreal Protocol
July 1 1992-
Violation to vent CFCs or HCFCs
Nov 15 1993-
Recovery/Recycling equipment must be certified and labeled by EPA
AND
Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo
compressor, or 4 in Hg
After this date recovery equipment needs to be capable of removing 90%, or 80% without working
compressor, or 4 in Hg
AND
Required level of evacuation for Low Pressure appliances before this date was 25 inches Hg, after this
date 25 mm Hg
Nov 14 1994-
Certification needed to service, maintain, or dispose of appliances with refrigerants AND
Sale of CFC and HCFC refrigerants restricted to certified techs
Nov 15 1995-
Violation to vent HFCs
,EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
Dec 31 1995-
CFCs no longer produced
15% - (answer)Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired
when the annual leak rate exceeds _____%
35% - (answer)Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant
must be repaired when the annual leak rate exceeds _____%
00
4 10
4 10
4 15
0 0 - (answer)Required Recovery Levels for Type II appliances, before and after 11/15/93:
HCFC22 less than 200 lbs = B4-0 After-0
HCFC22 more than 200 lbs= B4-4 After-10
NonHCFC22 less than 200 lbs= B4-4 After 10
NonHCFC22 more than 200 lbs= B4 4 After 15
Very high pressure appliances= B4-0 After-0
Recover all refrigerants. - (answer)Section 608 of the Federal Clean Air Act requires technicians to what?
The earth's stratosphere. - (answer)The objective of the Clean Air Act is to protect what?
HydroFlouroCarbon's - (answer)HFC's
,EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
ChloroFluoroCarbon's - (answer)CFC's
Ozone Depletion Potential - (answer)ODP
The Montreal Protocol. - (answer)Which international treaty agreement was the basis for Section 608?
1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone - (answer)Depletion of the ozone in the stratosphere is known to cause
what 6 things?
These atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after colliding
with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of
chlorine to act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed
by just one atom of chloride. - (answer)What happens when CFC or HCFC molecules get in the
stratosphere & free atoms of Chlorine are set free?
November 15, 1993 - (answer)What date was recovery equipment required to be certified by a lab, &
achieve higher evacuation levels, & have low loss fittings?
November 14, 1994 - (answer)On what date was technician certification required?
December 31, 1995 - (answer)What date were CFC's phased out of production?
, EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant
(or less). - (answer)What is EPA 608 Type I certification?
Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small
appliances and motor vehicle air conditioning systems. - (answer)What is EPA 608 Type II certification?
Persons who maintain, service, repair, or dispose of low pressure appliances. - (answer)What is EPA 608
Type III certification?
Persons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as
appliances. - (answer)What is EPA 608 Universal certification?
HydroChloroFluoroCarbons - (answer)HCFC's
Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine,
fluorine, and carbon. - (answer)What are HydroChloroFluoroCarbons?
80% - (answer)A recovery cylinder must not be filled more than ___ % of it's capacity by weight?
Up-right with proper DOT classification tags. - (answer)How should refrigerant cylinders be shipped?
Polyolester - (answer)What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work
with CFC's and HCFC's.
Trillion - (answer)HCFC's have very low atmospheric concentrations measured in parts per?
15% - (answer)All cooling systems containing more than 50 lbs. of refrigerant must be repaired when the
annual leak rate exceeds___?
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
November 14, 1994 - (answer)What date was the sale of CFC's & HCFC's restricted to technicians
certified in refrigerant recovery?
Memorize it, ya'll. - (answer)1989-
Montreal Protocol
July 1 1992-
Violation to vent CFCs or HCFCs
Nov 15 1993-
Recovery/Recycling equipment must be certified and labeled by EPA
AND
Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo
compressor, or 4 in Hg
After this date recovery equipment needs to be capable of removing 90%, or 80% without working
compressor, or 4 in Hg
AND
Required level of evacuation for Low Pressure appliances before this date was 25 inches Hg, after this
date 25 mm Hg
Nov 14 1994-
Certification needed to service, maintain, or dispose of appliances with refrigerants AND
Sale of CFC and HCFC refrigerants restricted to certified techs
Nov 15 1995-
Violation to vent HFCs
,EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
Dec 31 1995-
CFCs no longer produced
15% - (answer)Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired
when the annual leak rate exceeds _____%
35% - (answer)Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant
must be repaired when the annual leak rate exceeds _____%
00
4 10
4 10
4 15
0 0 - (answer)Required Recovery Levels for Type II appliances, before and after 11/15/93:
HCFC22 less than 200 lbs = B4-0 After-0
HCFC22 more than 200 lbs= B4-4 After-10
NonHCFC22 less than 200 lbs= B4-4 After 10
NonHCFC22 more than 200 lbs= B4 4 After 15
Very high pressure appliances= B4-0 After-0
Recover all refrigerants. - (answer)Section 608 of the Federal Clean Air Act requires technicians to what?
The earth's stratosphere. - (answer)The objective of the Clean Air Act is to protect what?
HydroFlouroCarbon's - (answer)HFC's
,EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
ChloroFluoroCarbon's - (answer)CFC's
Ozone Depletion Potential - (answer)ODP
The Montreal Protocol. - (answer)Which international treaty agreement was the basis for Section 608?
1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone - (answer)Depletion of the ozone in the stratosphere is known to cause
what 6 things?
These atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after colliding
with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of
chlorine to act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed
by just one atom of chloride. - (answer)What happens when CFC or HCFC molecules get in the
stratosphere & free atoms of Chlorine are set free?
November 15, 1993 - (answer)What date was recovery equipment required to be certified by a lab, &
achieve higher evacuation levels, & have low loss fittings?
November 14, 1994 - (answer)On what date was technician certification required?
December 31, 1995 - (answer)What date were CFC's phased out of production?
, EPA 608 CERTIFICATION EXAM QUESTIONS AND CORRECT ANSWERS|ACCURATE
ACTUAL EXAM WITH FREQUENTLY TESTED QUESTIONS AND STUDY GUIDE
QUESTIONS|LATEST UPDATE 2025.
Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant
(or less). - (answer)What is EPA 608 Type I certification?
Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small
appliances and motor vehicle air conditioning systems. - (answer)What is EPA 608 Type II certification?
Persons who maintain, service, repair, or dispose of low pressure appliances. - (answer)What is EPA 608
Type III certification?
Persons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as
appliances. - (answer)What is EPA 608 Universal certification?
HydroChloroFluoroCarbons - (answer)HCFC's
Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine,
fluorine, and carbon. - (answer)What are HydroChloroFluoroCarbons?
80% - (answer)A recovery cylinder must not be filled more than ___ % of it's capacity by weight?
Up-right with proper DOT classification tags. - (answer)How should refrigerant cylinders be shipped?
Polyolester - (answer)What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work
with CFC's and HCFC's.
Trillion - (answer)HCFC's have very low atmospheric concentrations measured in parts per?
15% - (answer)All cooling systems containing more than 50 lbs. of refrigerant must be repaired when the
annual leak rate exceeds___?
