age 1 of 129
EPA CERTIFICATION FINAL EXAM PREP 2025/2026
ACCURATE QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <RECENT
VERSION>
As of what date did it become unlawful to release class 1 and
class II refrigerants to the atmosphere?
NOVEMBER 14, 1994
JULY 1, 1993
JANUARY 1, 1996
JULY - 1, 1992 .......Answer.........JULY - 1, 1992
What is the ozone layer and why is it important to us on Earth ?
,age 2 of 129
Protective layer that shields UV in the Troposphere
Thin layer of CFC and HCFC in the atmosphere that filters UV
Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles
above earth
Thin layer of r-22 in the atmosphere that filters UV
.......Answer.........Protective shield for Earth from the sun's harmful
ultraviolent (UV) rays in the stratosphere layer that extends
about 6 to 30 miles above earth
The atom found in CFC and HCFC refrigerants that destroys
ozone in the stratosphere is?
Fluorine
Chlorine
,age 3 of 129
Carbon
Hydrogen .......Answer.........Chlorine
What is an ozone molecule made of ?
Oxygen and ammonia
Three oxygen atoms (03)
Refrigerant
Ammonia .......Answer.........Three oxygen atoms (03)
Which refrigerant is a CFC ?
R-123
R-12
R-134A
, age 4 of 129
R-22 .......Answer.........R-12
What is the name of the atom that attacks ozone molecules ?
HCFC atoms
a and b
CFC atoms
Chlorine and bromine atoms emitted into the atmosphere
.......Answer.........Chlorine and bromine atoms emitted into the
atmosphere
Which refrigerant is a HFC ?
R-134A
R-123
R-12
EPA CERTIFICATION FINAL EXAM PREP 2025/2026
ACCURATE QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS <RECENT
VERSION>
As of what date did it become unlawful to release class 1 and
class II refrigerants to the atmosphere?
NOVEMBER 14, 1994
JULY 1, 1993
JANUARY 1, 1996
JULY - 1, 1992 .......Answer.........JULY - 1, 1992
What is the ozone layer and why is it important to us on Earth ?
,age 2 of 129
Protective layer that shields UV in the Troposphere
Thin layer of CFC and HCFC in the atmosphere that filters UV
Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles
above earth
Thin layer of r-22 in the atmosphere that filters UV
.......Answer.........Protective shield for Earth from the sun's harmful
ultraviolent (UV) rays in the stratosphere layer that extends
about 6 to 30 miles above earth
The atom found in CFC and HCFC refrigerants that destroys
ozone in the stratosphere is?
Fluorine
Chlorine
,age 3 of 129
Carbon
Hydrogen .......Answer.........Chlorine
What is an ozone molecule made of ?
Oxygen and ammonia
Three oxygen atoms (03)
Refrigerant
Ammonia .......Answer.........Three oxygen atoms (03)
Which refrigerant is a CFC ?
R-123
R-12
R-134A
, age 4 of 129
R-22 .......Answer.........R-12
What is the name of the atom that attacks ozone molecules ?
HCFC atoms
a and b
CFC atoms
Chlorine and bromine atoms emitted into the atmosphere
.......Answer.........Chlorine and bromine atoms emitted into the
atmosphere
Which refrigerant is a HFC ?
R-134A
R-123
R-12
