EPA Universal
2026:Latest SkillCat
Questions 2025-
and
Answers for
Technicians, HVAC
Exams A+
of
Engineering|Graded
Certified Pass
As environmental technicians, we must be up to date with which type of laws? -
ANSWERS-Federal, State, and Local Laws
For EPA 608 Universal Certification, how many questions will you receive? -
ANSWERS-100
If you need to get type III certification, what will be on your exam? - ANSWERS-50
questions, 25 core and 25 type III questions.
What is the passing grade for all EPA certifications? - ANSWERS-70%
Once you Pass the EPA exam, the regulations you learn will never change. -
ANSWERS-False
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - ANSWERS-Yes, but are not the primary source
True or False: Ground level ozone is what absorbs and reflects harmful UV rays
from the sun. - ANSWERS-False
In which of the following ways does ozone depletion affect humans? - ANSWERS-
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere? - ANSWERS-YES
Which of the following statements is TRUE about chlorine? - ANSWERS-A single
chlorine atom can survive in the atmosphere for years.
,Ozone has __ atoms of oxygen. - ANSWERS-3
The majority of ozone is located in the Troposphere. t or f? - ANSWERS-False
How many molecules of ozone can three molecules of chlorine destroy? -
ANSWERS-300,000 (100,000 per chlorine molecule)
What is the major function of ozone in the stratosphere? - ANSWERS-Absorb and
reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere? - ANSWERS-Emissions
of refrigerant chemicals such as CFCs and HCFCs by humans.
What molecule destroys the ozone layer? - ANSWERS-Chlorine
Which of the following an effects of ozone depletion? - ANSWERS-Decreasing crop
yields
Which refrigerant chemicals are responsible for the destruction of the ozone
layer? - ANSWERS-CFCs and HCFCs
Who does ozone depletion affect? - ANSWERS-people all over the world
After refrigerant is phased out, can a technician still service the equipment
containing that refrigerant? - ANSWERS-YES
After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - ANSWERS-From recovered and
reclaimed refrigerant.
,Can refrigerant be resold? - ANSWERS-Yes, but only if it has been reclaimed to
AHRI Standard 700 specifications
Equipment has to be certified to epa standards in order to recover which
refrigerants - ANSWERS-CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to? - ANSWERS-A technician
with Section 608 certification and a business that employs a technician with
Section 608 certification.
If you recover R-12 refrigerant, can you use the recovered refrigerant in another
device owned by a different person? - ANSWERS-Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications.
In the United States, when were all CFCs phased out by? - ANSWERS-1995
In the United States, when were R-22 and R-142b phased out? - ANSWERS-2020
In the United States, when will all HCFCs be phased out? - ANSWERS-2030
Which of the following records must be kept for an R-22?
A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance - ANSWERS-Type of refrigerant, dates, and Quantity
Section 608 of the Clean Air Act is: - ANSWERS-federal law
State and Local Regulations ____ (select all that apply)
, A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion - ANSWERS-A. And C.
The Venting Prohibition requires that you recover affected refrigerant before
(Select all that apply):
A. Opening equipment
B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment - ANSWERS-Opening equipment, servicing
equipment, disposing equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant
is removed before disposing of equipment that contains it? - ANSWERS-The final
person in the disposal chain.
What appliances do Section 608 regulations apply to?
Freezers
2026:Latest SkillCat
Questions 2025-
and
Answers for
Technicians, HVAC
Exams A+
of
Engineering|Graded
Certified Pass
As environmental technicians, we must be up to date with which type of laws? -
ANSWERS-Federal, State, and Local Laws
For EPA 608 Universal Certification, how many questions will you receive? -
ANSWERS-100
If you need to get type III certification, what will be on your exam? - ANSWERS-50
questions, 25 core and 25 type III questions.
What is the passing grade for all EPA certifications? - ANSWERS-70%
Once you Pass the EPA exam, the regulations you learn will never change. -
ANSWERS-False
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - ANSWERS-Yes, but are not the primary source
True or False: Ground level ozone is what absorbs and reflects harmful UV rays
from the sun. - ANSWERS-False
In which of the following ways does ozone depletion affect humans? - ANSWERS-
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere? - ANSWERS-YES
Which of the following statements is TRUE about chlorine? - ANSWERS-A single
chlorine atom can survive in the atmosphere for years.
,Ozone has __ atoms of oxygen. - ANSWERS-3
The majority of ozone is located in the Troposphere. t or f? - ANSWERS-False
How many molecules of ozone can three molecules of chlorine destroy? -
ANSWERS-300,000 (100,000 per chlorine molecule)
What is the major function of ozone in the stratosphere? - ANSWERS-Absorb and
reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere? - ANSWERS-Emissions
of refrigerant chemicals such as CFCs and HCFCs by humans.
What molecule destroys the ozone layer? - ANSWERS-Chlorine
Which of the following an effects of ozone depletion? - ANSWERS-Decreasing crop
yields
Which refrigerant chemicals are responsible for the destruction of the ozone
layer? - ANSWERS-CFCs and HCFCs
Who does ozone depletion affect? - ANSWERS-people all over the world
After refrigerant is phased out, can a technician still service the equipment
containing that refrigerant? - ANSWERS-YES
After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - ANSWERS-From recovered and
reclaimed refrigerant.
,Can refrigerant be resold? - ANSWERS-Yes, but only if it has been reclaimed to
AHRI Standard 700 specifications
Equipment has to be certified to epa standards in order to recover which
refrigerants - ANSWERS-CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to? - ANSWERS-A technician
with Section 608 certification and a business that employs a technician with
Section 608 certification.
If you recover R-12 refrigerant, can you use the recovered refrigerant in another
device owned by a different person? - ANSWERS-Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications.
In the United States, when were all CFCs phased out by? - ANSWERS-1995
In the United States, when were R-22 and R-142b phased out? - ANSWERS-2020
In the United States, when will all HCFCs be phased out? - ANSWERS-2030
Which of the following records must be kept for an R-22?
A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance - ANSWERS-Type of refrigerant, dates, and Quantity
Section 608 of the Clean Air Act is: - ANSWERS-federal law
State and Local Regulations ____ (select all that apply)
, A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion - ANSWERS-A. And C.
The Venting Prohibition requires that you recover affected refrigerant before
(Select all that apply):
A. Opening equipment
B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment - ANSWERS-Opening equipment, servicing
equipment, disposing equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant
is removed before disposing of equipment that contains it? - ANSWERS-The final
person in the disposal chain.
What appliances do Section 608 regulations apply to?
Freezers
