Fire Fighting Measures, Handling and Storage

NOTES TO PHYSICIAN: Because of the possible disturbances of cardiac rhythm, catecholamine drugs, such as epinephrine, should be used with special caution and only in situations of emergency life support. Treatment of overexposure should be directed at the control of symptoms and the clinical conditions.

5. FIRE FIGHTING MEASURES

FLASHPOINT AND METHOD: Not Applicable

FLAMMABLE LIMITS: None*

AUTOIGNITION TEMPERATURE: > 750°C (1382°F)

FLAMMABLE CLASS: Not Applicable

FLAME PROPAGATION OR BURNING RATE OF SOLIDS: Not Applicable

EXTINGUISHING MEDIA: As appropriate for combustibles in area.

EXPLOSION HAZARDS: This product is not flammable at ambient temperatures and atmospheric pressure. However, this material may become combustible when mixed with air under pressure and exposed to strong ignition sources.

FIRE FIGHTING PROCEDURES: Use water spray to cool containers.

FIRE FIGHTING EQUIPMENT: As in any fire, wear self-contained breathing apparatus pressure-demand, (MSHA/NIOSH approved or equivalent) and full protective gear.

COMMENTS: *Based on ASHRAE Standard 34 with match ignition.

6. ACCIDENTAL RELEASE MEASURES

GENERAL PROCEDURES: Isolate hazard area. Keep unnecessary and unprotected personnel from entering.

RELEASE NOTES: Spills and releases may have to be reported to Federal and/or local authorities.

7. HANDLING AND STORAGE

HANDLING: Follow standard safety precautions for handling and use of compressed gas cylinders.

STORAGE: Store in a cool place in original container and protect from sunlight.

8. EXPOSURE CONTROLS / PERSONAL PROTECTION

EXPOSURE GUIDELINES:

OSHA HAZARDOUS COMPONENTS (29 CFR 1910.1200)
			EXPOSURE LIMITS
Chemical Name	OSHA PEL		ACGIH TLV		Supplier O
	ppm	mg/m3	ppm	mg/m3	ppm
1,1,1,2-Tetrafluoroethane (HFC-134a)	TWA NE		NE		1,000
1,1,1,2-Tetrafluoroethane (HFC-134a)	TWA NE		NE		ppm[1]
					ppm[1]

OSHA TABLE COMMENTS:

1.* (AEL)=Acceptable Exposure Limit as established by the manufacture

ENGINEERING CONTROLS: Local exhaust ventilation may be necessary to control any air contaminants to within their TLVs during the use of this product.

PERSONAL PROTECTIVE EQUIPMENT

EYES AND FACE: Wear safety glasses with side shields (or goggles) and a face shield.

SKIN: Skin contact with liquid may cause frostbite. General work clothing and gloves (leather) should provide adequate protection. If prolonged contact with the liquid or gas is anticipated, insulated gloves constructed of PVA, neoprene or butyl rubber should be used. Any contaminated clothing should be promptly removed and washed before reuse.

RESPIRATORY: A respiratory protection program that meets OSHA 1910.134 and ANSI Z88.2 requirements must be followed whenever workplace conditions warrant a respirator's use.

64-4321, HFC-134a specifications

Radio Shack, once a staple of consumer electronics, offered a variety of innovative products, including the Radio Shack 64-4321, which served as a versatile solution for various applications. Although this product has been discontinued, its features and technologies continue to be of interest to enthusiasts and collectors.

The Radio Shack 64-4321 is best known for its proficiency in handling household air conditioning tasks. At the heart of its functionality is HFC-134a, a refrigerant that gained popularity for its environmentally friendly properties, being ozone-friendly while still providing efficient cooling. HFC-134a replaced the older R-12 refrigerant and became a standard in many appliances, including automotive air conditioning systems.

One of the main features of the Radio Shack 64-4321 is its compatibility with different types of air conditioning systems, making it an excellent choice for both residential and automotive applications. This versatility allows users to maintain their cooling systems effectively, ensuring optimal performance throughout the year. The device is easy to operate, providing straightforward guidelines for proper use, which enhances user experience and ensures effective results.

Another significant characteristic is its efficient cooling capabilities. The Radio Shack 64-4321 utilizes HFC-134a to deliver rapid and reliable cooling performance, making it suitable for hot summer months or as a solution for emergency cooling situations. This efficiency in temperature regulation has earned it favorable reviews among users who value effectiveness and reliability in their electronic devices.

On the technological front, the Radio Shack 64-4321 integrates advancements that contribute to its reliability and user-friendliness. The design has been tailored to minimize the potential for leaks, which is crucial for maintaining the integrity and efficiency of a cooling system. Additionally, the device often features user-friendly indicators that inform users when it’s time to recharge their systems, ensuring that optimal cooling performance is maintained.

In conclusion, the Radio Shack 64-4321 with HFC-134a remains a fascinating product due to its unique features, technologies, and characteristics. Although it may no longer be in production, its lasting impact in the realm of consumer electronics illustrates the importance of efficient and environmentally conscious solutions in everyday life. Collectors and electronics enthusiasts continue to appreciate the legacy of such products, highlighting their relevance to both past and current technology discussions.