EPA 608 Certification Exam Questions
and Answers
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - ANSWER-November 14, 1994
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER-
Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - ANSWER-The earth's
stratosphere.
HFC's - ANSWER-HydroFlouroCarbon's
CFC's - ANSWER-ChloroFluoroCarbon's
ODP - ANSWER-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - ANSWER-The
Montreal Protocol.
Depletion of the ozone in the stratosphere is know to cause what 6 things? - ANSWER-
1.Crop losses
2.Increases in eye diseases
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? - 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? - ANSWER-November 15, 1993
On what date was technician certification required? - ANSWER-November 14, 1994
, What date was CFC's phased out of production? - ANSWER-December 31, 1995
What is EPA 608 Type I certification? - 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? - 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? - ANSWER-Persons who maintain, service,
repair, or dispose of low pressure appliances.
What is EPA 608 Universal certification? - ANSWER-Persons who maintain, service,
repair, or dispose of both low and high pressure equipment, as well as appliances.
HCFC's - ANSWER-HydroChloroFluoroCarbons
What are HydroChloroFluoroCarbons? - 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? -
ANSWER-80%
How should refrigerant cylinders be shipped? - ANSWER-Up-right with proper DOT
classification tags.
What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with
CFC's and HCFC's. - ANSWER-Polyolester
HCFC's have very low atmospheric concentrations measured in parts per? - ANSWER-
Trillion
All cooling systems containing more than 50 lbs. of refrigerant must be repaired when
the annual leak rate exceeds___? - ANSWER-15%
Mineral Oils are used with? - ANSWER-All CFC's
Alkebenzene is used alone or as an additive for? - ANSWER-HCFC's (Will also work
with CFC's)
POE - ANSWER-Polyolester
What is the definition of a Type I Appliance? - ANSWER-A small appliance that is
manufactured, charged, and hermetically sealed in a factory with 5 Lbs. of refrigerant or
less.
and Answers
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - ANSWER-November 14, 1994
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER-
Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - ANSWER-The earth's
stratosphere.
HFC's - ANSWER-HydroFlouroCarbon's
CFC's - ANSWER-ChloroFluoroCarbon's
ODP - ANSWER-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - ANSWER-The
Montreal Protocol.
Depletion of the ozone in the stratosphere is know to cause what 6 things? - ANSWER-
1.Crop losses
2.Increases in eye diseases
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? - 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? - ANSWER-November 15, 1993
On what date was technician certification required? - ANSWER-November 14, 1994
, What date was CFC's phased out of production? - ANSWER-December 31, 1995
What is EPA 608 Type I certification? - 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? - 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? - ANSWER-Persons who maintain, service,
repair, or dispose of low pressure appliances.
What is EPA 608 Universal certification? - ANSWER-Persons who maintain, service,
repair, or dispose of both low and high pressure equipment, as well as appliances.
HCFC's - ANSWER-HydroChloroFluoroCarbons
What are HydroChloroFluoroCarbons? - 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? -
ANSWER-80%
How should refrigerant cylinders be shipped? - ANSWER-Up-right with proper DOT
classification tags.
What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with
CFC's and HCFC's. - ANSWER-Polyolester
HCFC's have very low atmospheric concentrations measured in parts per? - ANSWER-
Trillion
All cooling systems containing more than 50 lbs. of refrigerant must be repaired when
the annual leak rate exceeds___? - ANSWER-15%
Mineral Oils are used with? - ANSWER-All CFC's
Alkebenzene is used alone or as an additive for? - ANSWER-HCFC's (Will also work
with CFC's)
POE - ANSWER-Polyolester
What is the definition of a Type I Appliance? - ANSWER-A small appliance that is
manufactured, charged, and hermetically sealed in a factory with 5 Lbs. of refrigerant or
less.
