EPA 608 CERTIFICATION EXAM 2024/2025 ACTUAL EXAM COMPREHENSIVE QUESTIONS WITH
DETAILED VERIFIED ANSWERS ALREADY GRADED A+ [100% CORRECT ANSWER]
What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant
recovery? - correct answer November 14, 1994
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
Dec 31 1995-
,EPA 608 CERTIFICATION EXAM 2024/2025 ACTUAL EXAM COMPREHENSIVE QUESTIONS WITH
DETAILED VERIFIED ANSWERS ALREADY GRADED A+ [100% CORRECT ANSWER]
CFCs no longer produced - correct answer Memorize it, ya'll.
Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired when
the annual leak rate exceeds _____% - correct answer 15%
Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant must
be repaired when the annual leak rate exceeds _____% - correct answer 35%
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 - correct answer 0 0
4 10
4 10
4 15
00
Section 608 of the Federal Clean Air Act requires technicians to what? - correct answer
Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - correct answer The earth's
stratosphere.
HFC's - correct answer HydroFlouroCarbon's
CFC's - correct answer ChloroFluoroCarbon's
ODP - correct answer Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - correct answer The
Montreal Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? - correct answer
1.Crop losses
2.Increases in eye diseases
, EPA 608 CERTIFICATION EXAM 2024/2025 ACTUAL EXAM COMPREHENSIVE QUESTIONS WITH
DETAILED VERIFIED ANSWERS ALREADY GRADED A+ [100% CORRECT ANSWER]
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
What happens when CFC or HCFC molecules get in the stratosphere & free atoms of Chlorine
are set free? - correct answer 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.
What date was recovery equipment required to be certified by a lab, & achieve higher
evacuation levels, & have low loss fittings? - correct answer November 15, 1993
On what date was technician certification required? - correct answer November 14, 1994
What date were CFC's phased out of production? - correct answer December 31, 1995
What is EPA 608 Type I certification? - correct answer Persons who maintain, service, repair, or
dispose of small appliances (containing 5 pounds of refrigerant (or less).
What is EPA 608 Type II certification? - correct answer Persons who maintain, service, repair,
or dispose of high and very high pressure appliances. Except small appliances and motor vehicle
air conditioning systems.
What is EPA 608 Type III certification? - correct answer Persons who maintain, service, repair,
or dispose of low pressure appliances.
What is EPA 608 Universal certification? - correct answer Persons who maintain, service,
repair, or dispose of both low and high pressure equipment, as well as appliances.
HCFC's - correct answer HydroChloroFluoroCarbons
What are HydroChloroFluoroCarbons? - correct answer Commonly known as HCFC's, they are a
group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon.
A recovery cylinder must not be filled more than ___ % of it's capacity by weight? - correct
answer 80%
How should refrigerant cylinders be shipped? - correct answer Up-right with proper DOT
classification tags.
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