EPA 608 Core study guide

A

HFCs__________

A. will not damage stratospheric ozone, but have a high GWP
B. will damage stratospheric ozone and have a low GWP
C. will not deplete stratospheric ozone and have low GWP
D. are only harmful to ground level ozone

A

Before shipping any used refrigerant cylinders, check that the cylinder meets what standards.

A. Department of Transportation
B. The significant New Alternatives Policy (SNAP)
C. Underwriters Laboratories
D. All of the above

A

HFCs__________

A. will not damage stratospheric ozone, but have a high GWP
B. will damage stratospheric ozone and have a low GWP
C. will not deplete stratospheric ozone and have low GWP
D. are only harmful to ground level ozone

A

Before shipping any used refrigerant cylinders, check that the cylinder meets what standards.

A. Department of Transportation
B. The significant New Alternatives Policy (SNAP)
C. Underwriters Laboratories
D. All of the above

D

Which of the following has the highest Ozone Depletion Potential?

A. HFOs
B. HCFCs
C. HFCs
D. CFCs

A

What is the Significant New Alternatives Policy (SNAP) Program?

A. EPA's program that identifies refrigerants with lower overall risks to human health and the environment
B. Covers only CFC and HCFC refrigerants used in residential air conditioning.
C. Relates to CFC and HCFC refrigerants used in commercial air conditioning
D. Covers only CFC and HCFC refrigerants used in industrial process refrigeration

D

How much can a person be fined per day violation for knowingly releasing a regulated substance that violates the Clean Air Act?

A. $10,000
B. $25,000
C. $37,000
D. $44,539

D

A single chlorine atom can destroy how many ozone molecules?

A. 100
B. 1,000
C. 10,000
D. 100,000

D

Which of the following refrigerants is an HFO?

A. R-22
B. R-134a
C. R-410A
D. R-1234ze

B

Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride?

A. Kyoto Treaty
B. Montreal Protocol
C. Council of Nicaea
D. Treaty of Ghent

D

The molecule found in CFCs and HCFCs that depletes ozone is:

A. Fluorine
B. Hydrogen
C. Carbon
D. Chlorine

C

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often?

A. 1 year
B. 3 years
C. 5 years
D. 7 years

B

The low-side test pressure data-plate value should be used by a technician to determine a safe pressure for:

A. recovering refrigerant
B. leak testing
C. refrigerant charging
D. retrofitting a system

B

To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines:

A. Recovery
B. Reclaiming
C. Reuse
D. Recycle

C

An ozone molecule contains;

A. One oxygen atom
B. Two oxygen atoms
C. Three oxygen atoms
D. Four oxygen atoms

D

Clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers, is the definition of;

A. Recover
B. Reclaim
C. Reuse
D. Recycle

B

The chlorine in CFCs and HCFCs;

A. will dissolve in water
B. will not dissolve in water
C. will rain out of the atmosphere
D. is heavier than air and cannot rise to the stratosphere

C

Crop loss, eye disease, and skin cancer have been attributed to;

A. Depletion of Stratospheric nitrogen
B. Depletion of Stratospheric chlorine monoxide
C. Depletion of Stratospheric ozone
D. Depletion of Stratospheric oxygen

B

A refrigerant cylinder designed to hold recovered refrigerant has a;

A. yellow body and grey top
B. grey body and yellow top
C. green body and yellow top
D. orange body and grey top

C

Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants?

A. HCFCs
B. CFCs
C. HFOs
D. HFCS

C

Which type of refrigerant contains no chlorine?

A. HCFCs
B. HCFC Blends
C. HFCs
D. CFCs

B

HCFCs contain;

A. Chlorine, Fluorine, and Carbon
B. Hydrogen, Chlorine, Fluorine, and Carbon
C. Hydrogen, Fluorine, and Carbon
D. Hydrogen, Fluorine, and Olefin

D

Which of the following refrigerant has a GWP closest to "1"?

A. R-22
B. R-134a
C. R-410A
D. R-1233zd

A

The condenser ____________________

A. changes a high-pressure vapor to a high-pressure liquid
B. changes a low-pressure vapor to a low-pressure liquid
C. changes a high-pressure liquid to a low-pressure liquid
D. changes a low-pressure liquid to a low-pressure vapor

B

Which ASHRAE classification means slightly flammable?

A. A1
B. A2L
C. A3
D. B1

B

The compressor ___________________

A. changes a high-pressure vapor to a high-pressure liquid
B. changes a low-pressure vapor to a high-pressure vapor.
C. changes a high-pressure liquid to a low-pressure liquid.
D. changes a low-pressure liquid to a low-pressure vapor

C

Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for;

A. Recovery cylinders
B. One pound cans
C. Disposable cylinders
D. Accumulator cylinders

Chlorine

The element of a CFC or HCFC molecule that causes ozone depletion. The ___________ in CFCs and HCFCs will not dissolve in water or easily break down in the atmosphere. Each __________ atom in the stratosphere can destroy 100,000 ozone molecules.

Stratospheric Ozone

Helps form the earth's protective shield. CFC and HCFC refrigerants damage _______________________. One of the most serious results of damage to the ______________________ layer is increased rates of skin cancer in humans. Other human health effects from damage to the _____________________ layer include increased cases of cataracts. Environmental effects of ________________________ depletion include decreased crop yields and damage to marine organisms.

Chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) use in the U.S. is being phased out to stop damage to the ozone layer. R-22 is an example of a refrigerant that damages the ozone layer.

Ozone Depletion Potential (ODP)

The ability of a substance to destroy ozone in the stratosphere. CFCs have the highest _____________

Global Warming Potential (GWP)

Provides a comparison of global warming impacts of different gases over a span of time. R-600a (an HC) has a low ________, while the __________ of R-410A compared to carbon dioxide is thousands of times greater

CO2

Carbon Dioxide. Used as the baseline measurement for global warming potential (GWP)

SNAP

Significant New Alternatives Policy Program. EPA's program that identifies refrigerants with lower overall risks to human health and the enviroment

Montreal Protocol

An international treaty that addresses ozone-depleting substances and their alternatives.

$44,539

The amount per day, per violation a technician can be fined for violating the Clean Air Act including knowingly releasing non-exempt refrigerant from appliances

A2L

ASHRAE refrigerant safety classification. An A2L indicates lower flammability

Reclaim

The process that returns refrigerant to new product specifications and requires chemical analysis

Compressor

Refrigerant system component that changes a low-pressure vapor to a high-pressure vapor. The state of the refrigerant entering the _______________ is a low-pressure vapor. Refrigerant enters the ______________ of a refrigeration system as a superheated vapor

500 microns

The minimum evacuation level that should be achieved in most refrigeration systems before charging the system

Gauge Manifold set

The color of the low-pressure gauge on a typical _________________ is blue. The color of the high-pressure gauge on a typical ____________________ is red.

Polyolester Oil

A synthetic oil commonly used in new HFC systems and for retrofitting HCFC equipment to HFC refrigerants

Type 1 technicians

Persons who maintain, service, repair, or dispose of small appliances must be certified as

5 lbs or less of refrigerant

A small appliance is defined as a pre-assembled unit, hermetically sealed and factory charged with

water coolers, window units, refrigerators, freezers, dehumidifiers, residential ice machines, and packaged terminal air conditioning.
Split- systems

Examples of what Type 1 certificate can work on are _____________, ______________, ____________, _____________, ____________, ______________, ______________. _____________ are not included in Type 1

Type 2, small appliances or motor vehicle air-conditioning (MVAC) systems

Persons who maintain, service, repair, or dispose of appliances, containing more than 5 lbs. Of refrigerant, or if the installation of such equipment requires refrigerant charging must be certified as ___________ technicians. _________ certification does not include ___________________________

centrifugals, chillers, Type 3, 30 psig,

Persons who maintain, service, repair, or dispose of low-pressure appliances, such as _______________ and _____________, must be _________ technicians. Low-pressure appliances operate with low-pressure refrigerants, which have pressures of ______ psig, or lower, at a liquid-phase temperature of 104 degrees F. HCFC-123 used in chillers is a "low-pressure refrigerant" under EPA's Section 608 regulations to replace CFC-11

CFC, HCFC, HFC, HFO refrigerants

Regulated refrigerant currently include:

Core

______ is required to obtain any of the four levels of certifications

Universal

___________, persons who maintain, service or repair both low and high-pressure equipment, as well as small appliances, will be certified as ____________ Technicians

Stratospheric Ozone, ozone layer, Ozone depletion potential (or ODP), Ozone depletion, skin cancer, cataracts

Stratospheric Ozone Depletion - ______________________ helps form the earth's protective shield. The ___________ protects earth from the ultraviolet radiation from the sun. ________________ measures the ability of a substance to destroy ozone in the stratosphere. _________________ in the stratosphere is a global problem which affects everyone on the planet. One of the most serious results from the thinning and damaging of the stratospheric ozone layer is an increase in the rates of ______________ in humans and ______________. It can also affect the environment and cause crop yields and damage to marine organisms.

chlorine, chlorine-containing refrigerants, ozone layer, Fluorine

It was believed that ____________ in the stratosphere comes from natural sources such as volcanic eruptions. Volcanic eruptions only add small quantities of chlorine to the atmosphere compared to the amount of chlorine added to the atmosphere from ___________________. Evidence indicates that chlorine containing refrigerants have changed the natural balance, thus depleting the ____________. The rise in the amount of chlorine measured in the stratosphere over the past four decades matches the rise in the amount of __________, which has different natural sources than chlorine over the same period.

CFC, HCFC, ozone layer, 3 oxygen, Chlorine

The rise in chlorine in the stratosphere over the past twenty years matches the rise in ________ and _________ emissions over the same period. Chlorine-containing refrigerants have changed the natural balance, thus depleting the _____________. Ozone in the stratosphere consists of molecules containing __________ atoms, O3. __________ is the element of a CFC or HCFC molecule that causes ozone depletion.

chlorine monoxide (CIO), chlorine monoxide, 120, 100,000

When a chlorine atom encounters an ozone molecule, it takes one of the ozone's 3 oxygen atoms, forming a compound called _____________, and leaves an oxygen O2 molecule behind. The ______________ will collide with another ozone molecule, releasing its Oxygen atom, forming two O2 molecules, leaving the chlorine free to attack another ozone molecule. A single chlorine atom can last in the Stratosphere for _______ years destroying up to _______________ molecules.

dissolve, break down, atmosphere

Chlorine in CFCs and HCFCs will neither __________ in water nor ___________ into compounds that dissolve in water so they don't rain out of the ______________.

Hydrogen, Fluorine, and Carbon, don't, Global Warming Potential (GWP)

HFCs are made up of _____________, _____________, _____________. HFCs ________ contain chlorine that effects the ozone layer, but most HFCs have a high _____________________

Global Warming Potential (GWP), Carbon Dioxide (CO2), 1, global warming potentials, lowest, CFCs, HCFCs, HFCs

______________________________ was established to provide comparisons of the global warming impacts of different gases over a span of time. __________________ is used as the baseline measurement for global warming potential and has a value of ___. Most HFC refrigerants, such as R-410A, have _________________ thousands of times greater compared to CO2. Hydrocarbon (HC) and Hydrofluoroolefin (HFO) refrigerants have the _________ global warming potential compared to _________, _________, and _________.

isobutane, propane, lower, HFCs, R-134a, R-407C, R-404A, R-410A

The global warming potential of __________ (R-600a), ___________ (R-290), and R-441A are significantly _______when compared to the GWPs of _______ such as _________, _________, ________, ________.

non-ozone depleting and very low global warming potential characteristics, high global warming, damaging

With _____________________________________________________, Hydrofluoroolefin (HFO) refrigerants are a good fit for HVACR equipment. Most HFCs have very ____________________________ potentials; a characteristic that makes them _______________ to the enviroment.

(CFC, HCFC, HFC, HFO, HC)

Refrigerants:

American Society of Heating Refrigerating and Air-Conditioning Engineers

What does ASHRAE stand for?

Low Toxicity, High Toxicity, No Flammability, Slight Flammability, Low Flammability, High Flammability

ASHRAE has grouped refrigerants by Class A (safest, ______________), Class B (_______________), A1 and B1 = ______________ , A2L and B2L = __________________, A2 and B2 = _____________________, A3 and B3 = ____________________.

Chlorofluorocarbon - (CFC), CFC, chlorine, fluorine, and carbon, Chlorine, R-11, R-12

_______________________________ have the highest ozone depletion potential (ODP) and are the most harmful to stratospheric ozone. _______ contains ____________, __________, and __________. _____________ is the component that poses a threat to the stratospheric ozone. Examples of CFC refrigerants include _________ and _________

Hydrochlorofluorocarbon (HCFC), less, HCFC, zero

contains hydrogen, chlorine, fluorine, and carbon. The hydrogen makes them a little ______ harmful to the stratospheric ozone when compared to CFCs. R-22 and R-123 are examples of __________ that have an ozone depletion potential of more than __________, ranging between zero and one.

refrigerant, three, not, impossible

The technician must have a separate refrigerant recovery cylinder for each type of _____________ recovered and should have a separated cylinder for refrigerants known to be mixed. If servicing systems that use HFC-134a, HFC-410A and HCFC-22, then ________ cylinders are required even though two are HFCs. It is important _______ to mix refrigerants in the same container when recovering as refrigerants that are mixed may be ______________ to reclaim and there may be an added cost to have them destroyed.

CFC. HCFC, HFC, AHRI, virgin

Technicians can only charge used _______, _________, or ______ refrigerants back into the same appliance or into another appliance with the same owner. Used refrigerant may no longer meet the ________ standard for _________ refrigerant so it cannot change ownership without being reclaimed.

manufacturer, explosion

Leak detection methods and devices used must be approved by the _______________. The wrong type of electronic leak detector used with a flammable refrigerant can cause an _______________ and bodily injuries.

Hydrofluorocarbon (HFC), lowest/no, do not, R-134a, R-410A, R-404A, R-407C, R-422B

______________________ refrigerants contain hydrogen, fluorine, and carbon atoms connected by single bonds between the atoms. HFCs have the ______________ ozone depletion potential but do have an effect on global warming. HFC refrigerants__________ contain harmful chlorine. Examples of HFCs are _________, _________, __________, ________, and _________.

hydrogen, fluorine, carbon, no ozone, global warming, A2L, less, R-1234yf

Hydrofluoroolefin (HFO)- contains ____________, __________, and _________ atoms connected with at least one double bond between the carbon atoms. HFOs have ______________ depletion potential but do have a very small effect on ________________. HFOs are less flammable than hydrocarbon refrigerants but most are still mildly flammable so are classified as _______. HFO refrigerants contain fluorine making them_________ flammable than hydrocarbon refrigerants. HFO refrigerants are miscible in POE lubricants. ___________ is an HFO refrigerant used in chillers.

hydrogen, carbon, least, no, small, R-600a, R-290, natural refrigerants

Hydrocarbons (HC)- are an elementary compound of ____________ and ___________. Although flammable, these refrigerants pose the ________ amount of danger to the environment. HCs have ____ozone depletion potential and a very _________ effect on global warming, with GWP values less than 10. Isobutane (________) and Propane (_________) are examples of HCs. Some HC refrigerants are considered ___________________.

never, damage

Propane cylinders for grilling should _________ be used as a refrigerant, as they contain impurities that can _____________ refrigeration equipment

Azeotropic refrigerant mixtures, evaporates, condenses, pure compound

_______________________ contain two or more refrigerants. At a certain pressure, an azeotropic mixture __________________and _______________ at a constant temperature. It acts like a single component refrigerant over its entire range. Thus, azeotropic mixtures act as a __________________.

Zeotropic or non-azeotropic, blend, binary, ternary, Temperature Glide, saturation, 12

_________________________ refrigerant mixtures are mixtures of components that have different boiling points. This mixture is a _________ of refrigerant. The blend may be __________ (two-part) or __________ (three-part). Blended refrigerants are normally associated with having what is called "___________________." This is due to the blended parts having different pressures for the same ________________ temperature. Temperature glide can range a few tenths of a degree to _____ degrees or more.

bubble, dew points, temperatures, Bubble point, Dew point, temperature glide

Zeotropic and some near-azeotropic blends use ____________ and ______________ to indicate condensing and evaporation ________________ on a pressure-temperature chart. ______________ (liquid) values are used when charging by condenser subcooling. _____________ (vapor) values are used for charging by suction or evaporator superheat. The relationship of pressures and temperature are based on the refrigerant's _____________________.

near azeotropic, vapor pressures, high side, low side

The R-400 series of refrigerants are __________________ blends that can leak from a system at uneven rates due to different _______________ which can affect the percentage of each refrigerant remaining in the system. The proper charging method for R-400 series blended refrigerants is to weigh the refrigerant into the ________________ of the system as a liquid. When adding refrigerant to an undercharged system, liquid refrigerant is throttled into the _____________with the system operating.

fractionation, temperature glide, interchanged, refrigerants, equipment, EPA

There is concern for using blended refrigerants in systems that develop a leak. There may be __________________ of the refrigerant (refrigerant leaking at uneven rates due to different vapor pressures). R-407C is one of the refrigerants that has a high-___________________ and may easily experience fractionation. Even though the pressure-temperature relationship and operating characteristics may be almost the same, the refrigerants cannot be ________________. Although the saturation pressure-temperature behavior of two refrigerant might be similar, potential of the _________________ to oxidize copper tubing must also be considered. Due to flammability of some HCs and HFOs, ________________ must be designed to handle the refrigerant. Therefore ______ regulates the maximum amount of refrigerant that can be used in the new systems by their type and use.

EPA-approved, refrigerants

When retrofitting or converting a system to use a different refrigerant, only ______________ substitutes can be used. Remember, EPA does not approve any substitute ______________ as direct drop-in replacements to service an R-22 or any other system

30, lower, CFC-11, HCFC-123, HFC-245fa, HFO-1233zd

Low-pressure refrigerants have a pressure of ____ psig or _________ at a liquid-phase temperature of 104 degrees F. Examples of Low-pressure refrigerants, __________, ____________, __________,__________

30, 155, CFC-12, HCFC-124, HCFC-409A, HFC-134a, HC-600a, HFO-1234yf, HFO-1234ze

Medium-pressure refrigerants have a pressure between _____ psig and ________ psig at a liquid-phase temperature of 104 degrees. Examples of Medium-pressure refrigerants, _________, ___________, _________,____________, ____________,____________,____________

115, 340, HCFC-22, HFC-404A, HFC-407C, HFC-422B, HFC-422D, HFC-410A, HC-441A, R-717. 340, CO2 (R-744).

High-pressure refrigerants have a pressure between ________ psig and _________ psig at a liquid-phase temperature of 104 degrees F. Examples of High-pressure refrigerants, ________,_________,_________,________,_______,______,_______,________
Very high-pressure refrigerants have a pressure over _______ psig at a liquid-phase temperature of 104 degrees. Examples of Very high-pressure refrigerants are ________

synthetic alkylbenzene, synthetic polyolester oil, cannot, removed, moisture

Most HCFC binary (two-part) and ternary (three-part) blends use a ________________ lubricant. When retrofitting HCFC equipment to HFC refrigerants or when working with newly manufactured systems, __________________ is most commonly used. Ester-based oils ______________ be mixed with any other type of oil. Before retrofitting an HCFC system to HFC refrigerant, the other types of oils must be _____________ from the system before adding the ester-based oil. Care must be taken when using ester-based oils; they are very hygroscopic and will absorb ____________ out of the air and through some containers.

ozone-depleting substances, chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs)

Montreal Protocol is an international treaty that addresses __________________ and their alternatives. To prevent any ozone-depleting the US is phasing out or has already phased out ______________________________, ___________________________, and other refrigerants that are harmful to the environment

Section 608, refrigerants, verify

________________ of the Clean Air Act sets the rules and regulations for refrigerant handling in the HVACR industry. Section 608 Certification allows a technician to purchase or handle regulated __________________. Distributors that sell HCFC, HFC, or another regulated refrigerant must _________ the purchaser is, or employs, a Section 608 certified technician.

remove, replace, release, certification card

It is important that you are certified at the proper level to ___________ refrigerant or _________ a component containing regular refrigerant. It is illegal to knowingly ___________ CFC, HCFC, or HFC refrigerants during the service, maintenance, repair, or disposal of appliances. A technician must have their Section 608 _________________ in their possession when performing an activity regulated by Section 608. You can get another Section 608 certification card if you lose it, you can get it from the certifying organization, not EPA.

The EPA's Significant New Alternatives Policy (SNAP) Program-

identifies refrigerants with lower overall risks to human health and the environment.

2020, 2030, recovered, reclaimed, service

The phase-out for the production and imports of newly manufactured R-22 and HCFC-142b in the U.S will be in ________. After the phase-out of all HCFC refrigerants in _________, supplies of those refrigerants for equipment servicing will come from ____________ and ______________ gas. It is not a violation of the refrigerant management regulations under the Clean Air Act to _____________ a system that uses CFCs or HCFCs after the phase-out of those refrigerants.

electric circuit, refrigerant

A person is not required to be a Section 608 certified technician when servicing an external _____________ or sections of the system that do not involve the ______________ components of an HVACR appliance

exempt refrigerant, small, nitrogen, leak, 2017, $44,539, lose, responsibility, governments

The Clean Air Act (EPA's regulations) allows for releasing an __________________ (e.g. ammonia and CO2) or a ____________ amount of refrigerant, mixed with ___________(A leak trace gas) for ______ detection. As of ________ a technician can be fined ___________ per day, per violation, for violating the Clean Air Act, including knowingly releasing non-exempt refrigerant from appliances, Service technicians who violate Clean Air Act provisions may _______ their certification in addition to paying fines and being required to appear in court. It is the technician's _____________ to comply with any future changes in the law or EPA regulations after a technician becomes certified. State and local __________________ may establish laws that contain stricter requirements than the Clean Air Act/EPA regulations.

AHRI Standard 700, CFC, HCFC, or HFC, virgin

Reclaimed refrigerant must meet __________________ before it can be resold under EPA's regulations. Technicians can only charge used __________, ________, ________, refrigerants back into the same appliance or into another appliance owned by the same owner. Used refrigerant may no longer meet the AHRI Standard for __________ refrigerant so it cannot change ownership without being reclaimed

EPA standards, tested, one, multiple

All CFC, HCFC, HFC, and HFO refrigerant recovery equipment must meet __________________. Recovery equipment must be ___________ according to AHRI Standard 740. Recovery machines may be able to recover ______ or __________ types of refrigerants.

NOT

Desiccant dehumidifiers are ________ covered by EPA Section 608 regulations as they do not contain a refrigerant.

components, system-dependent, EPA regulations

Self-contained recovery devices remove refrigerant from an appliance without the assistance of ______________ in the appliance. Recovery equipment that relies on the compressor in the appliance and/or the pressure of the refrigerant in the appliance is considered to be _________________.
To make it easier to recover refrigerant, ___________________ require appliances that do not have service valves to have a service aperture or process stub.

5-50, EPA, Type of refrigerant recovered, quantity of refrigerant, by type, quantity recovered from disposed appliances in each calendar month, quantity of refrigerant, by type, sent for reclamation or destruction

When disposing of appliances with _______ pounds of refrigerant, ______ does not require technicians (or company employing the technician) to record the model and serial number of the appliance. However records that must be kept include; __________________________, ___________________, __________________, ____________________________, __________________________, ___________________, __________________

venting prohibition, threat, refrigerants

EPA's refrigerant management regulations exempt certain refrigerants from the _________________. This can occur when and if the EPA determines that a certain refrigerant does not pose a ________ to the environment if released. Some natural _____________, such as carbon dioxide, can be purchased by someone who is not Section 608 certified

lawful, not, void equipment warranty, ruin the refrigerant, damage the equipment, and cause severe personal injury or death

It is _____________ to service existing R-22 systems and use existing supplies of R-22. It is ________ legal to top off an R-22 charge with another refrigerant such as R-410A. Topping off one type of refrigerant with another can ____________________, ____________________, __________________, ______________________

recover, useless, metal

When discarding any disposable cylinders of CFCs, HCFCs, HRCs, or HFOs, ____________ all remaining refrigerant, render the cylinder _________, and recycle the _________

recover, final person, removed

Before opening or disposing of any appliance containing a chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), or hydrofluorocarbon (HFC) refrigerant, __________ the refrigerant to the approved EPA recovery or evacuation levels. Under the Section 608 "Safe Disposal Requirements", it is the ____________ in the disposal chain that is responsible for ensuring that any CFC, HCFC, or HFC refrigerant has been __________ from household refrigerators or other appliances before they are disposed of.

illegal, venting prohibition, Venting, kept

The knowingly release of a CFC, HCFC, HFC, or HFO refrigerant during the service, maintenance, repair, vandalism, theft, or disposal of appliances is _________. Refrigerants emitted when cutting a line without properly evacuating the appliance violates the _______________. ___________ refrigerant from a recovery machine or recovery cylinder after use is also illegal. Records or recovered refrigerant must be ______ to ensure venting does not take place after recovery from an appliance.

vented, nitrogen, refrigerant, violation, leak trace gas

Small quantities of isobutane, used in household freezers, can be _________. Releasing mixtures of _____________ and ___________ that result from adding nitrogen to a fully charged appliance to leak check the appliance is considered a ____________ of the prohibition on venting. Only a few ounces of refrigerant mixed with nitrogen is considered a _________________ may be released without recovery.

Recovery, recycling, and reclaiming sound similar-

but they are quite different

Recover, charged into the same system, another system with the same ownership, or shipped to an approved reclaimer

___________ means to remove refrigerant, in any condition from a system and store it in an approved recovery cylinder or container. Recovered refrigerant may be ________________________, __________________________, ________________________

Recycle, cleaned, same, another, AHRI 740

______________ means to extract refrigerant from an appliance (except motor vehicle air conditioners or MVACs) and clean the refrigerant for reuse in equipment of the same owner without meeting all of the requirements for reclamation. In general, recycled refrigerant is refrigerant that is ___________ using oil separation and single or multiple passes through devices, such as replaceable core filter-driers, which reduce moisture, acidity, and particulate matter. Recycled refrigerant may be charged into the ________ system or __________ system with the same ownership. Recycling equipment must meet ______________Performance Rating Standard.

Reclaim, chemical analysis, Reclaimed refrigerants

___________ means to process refrigerant to a level equal to new (virgin) product specifications as determined by _________________. ___________________must meet AHRI 700 Standards, before it can be sold. This is normally performed at a chemical processing company.