What date was the sale of CFCs & HCFC's restricted to technicians certified in refrigerant
recovery? - ANS November 14, 1994
Section 608 of the Federal Clean Air Act requires technicians to what? - ANS Recover all
refrigerants.
The objective of the Clean Air Act is to protect what? - AND The earth's stratosphere.
HFC's - AND HydroFluoroCarbons
CFC's - AND ChloroFluoroCarbons
ODP - AND Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - AND The Montreal
Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? - ANS 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? - AND 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? - ANS November 15, 1993
On what date was technician certification required? - ANS November 14, 1994
What date was CFCs phased out of production? - ANS December 31, 1995
What is EPA 608 Type I certification? - ANS Persons who maintain, service, repair, or dispose of
small appliances (containing 5 pounds of refrigerant (or less).
, What is EPA 608 Type II certification? - ANS 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? - ANS Persons who maintain, service, repair, or dispose
of low pressure appliances.
What is EPA 608 Universal certification? - ANS Persons who maintain, service, repair, or
dispose of both low and high pressure equipment, as well as appliances.
HCFC's - ANS HydroChloroFluoroCarbons
What are HydroChloroFluoroCarbons? - ANS 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? - ANS 80%
How should refrigerant cylinders be shipped? - ANS 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. - ANS Polyolester
HCFC's have very low atmospheric concentrations measured in parts per? - ANS Trillion
All cooling systems containing more than 50 lbs. of refrigerant must be repaired when the
annual leak rate exceeds___? - ANS 15%
Mineral Oils are used with? - ANS All CFC's
Alkebenzene is used alone or as an additive for? - ANS HCFC's (Will also work with CFC's)
POE - ANS Polyolester
What is the definition of a Type I Appliance? - ANS A small appliance that is manufactured,
charged, and hermetically sealed in a factory with 5 Lbs. of refrigerant or less.
What is the definition of a Type II Appliance? - ANS High pressure or very high pressure
appliances except for small appliances and motor vehicle air conditioning. Refrigeration systems
containing more than 5 Lbs. of high or very high pressure refrigerants.
What is the definition of a Type III Appliance? - ANS Low pressure equipment like low pressure
chillers.
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