Cathode Ray Tubes (CRTs) | US EPA (2024)

A cathode ray tube (CRT) is the glass video display component of an electronic device (usually a television or computer monitor). EPA encourages repair and reuse as a responsible ways to manage CRTs. If reuse or repair are not practical options, CRTs can be recycled. Recycled CRTs are typically disassembled so that valuable materials can be recovered.

On this page:

  • Regulation of Cathode Ray Tubes
  • Current Landscape of CRT Recycling
  • CRT Rulemaking History

Regulation of Cathode Ray Tubes

Due to the presence of lead located in the funnel glass, CRTs marked for disposal are considered hazardous waste under the Resource Conservation and Recovery Act (RCRA). However, CRT glass and used CRTs that are recycled or exported for recycling are not considered solid or hazardous waste under RCRA if certain conditions are met (See title 40 of the Code of Federal Regulations - CFR - section 261.4(a)(22)).

Exporters shipping broken or unbroken CRTs to another country for recycling must notify EPA and receive written consent from the receiving country through EPA before shipments can be made. Exporters who ship used, unbroken CRTs for reuse as computers to another country must submit an annual notification to EPA.

It is important to note that state regulatory requirements for generators may be more stringent than those in the federal program. Be sure to check your state's policies.

Current Landscape of CRT Recycling

Cathode Ray Tubes (CRTs) | US EPA (1)

CRTs and CRT glass were once easily recycled into new CRTs. However the demand for new CRTs has collapsed in favor of new flat panel technologies. Because of rising costs, negative economic incentives and shifts in CRT glass markets, some CRT processors and recyclers are choosing to store the glass indefinitely rather than send it for recycling or disposal, which increases the risk of mismanagement and/or abandonment of CRTs. EPA has begun a dialogue with all parts of the electronics recycling community – including manufacturers, recyclers, non-governmental organizations, and governmental entities – to encourage the identification and development of sustainable solutions to the CRT stockpile challenge.

Additional resources are available for those interested in EPA’s ongoing efforts to facilitate discussion within the electronics recycling community to help move towards a solution to the end-of-life management of CRTs.

CRT Rulemaking History

EPA made two major changes to CRT regulations in the Resource Conservation and Recovery Act (RCRA) in order to help ensure safe management of these materials. In 2006, EPA amended its regulations to encourage recycling and reuse of used CRTs and CRT glass (See volume 71 of the Federal Register - FR - starting on page 42928, July 28, 2006). The amendments exclude these materials from the RCRA definition of solid waste when recycled under certain conditions. In 2014, the Agency further revised the requirements for used CRTs and CRT glass exported for reuse or recycling. The 2014 CRT Export Rule clarifies who is considered to be a CRT exporter and establishes procedural requirements that allow EPA to better track exports of CRTs for reuse and recycling (See volume 79 FR page 36220, June 26, 2014).

Cathode Ray Tubes (CRTs) | US EPA (2024)

FAQs

Are CRTs hazardous waste? ›

CRTs contain lead in the funnel glass, so they are considered hazardous waste as per the Resource Conservation and Recovery Act (RCRA). There are other hazardous substances within CRTs, but lead is the biggest Hazardous constituent.

What is the cathode ray tube CRT? ›

A cathode-ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface. Most desktop computer displays make use of CRTs. The CRT in a computer display is similar to the "picture tube" in a television receiver.

What is the environmental impact of cathode ray tube? ›

CRTs contain funnel and panel glass. The former, funnel glass, is made with lead and has been classified as hazardous waste by the U.S. Environmental Protection Agency (EPA). Left in a landfill, the lead can leach into local water supplies and soil, putting communities and the environment at risk.

Are cathode ray tubes still used? ›

Are CRTs still made and utilized? Absolutely. CRT technology is common in the vacuum tube industry as a whole, which continues to serve many applications across a wide variety of industries.

Are CRTs bad for the environment? ›

Due to the presence of lead located in the funnel glass, CRTs marked for disposal are considered hazardous waste under the Resource Conservation and Recovery Act (RCRA).

What can I do with old CRTs? ›

The Environmental Protection Agency suggests repairing and reusing these old devices. If that is not possible, recycling is the only solution to dispose of CRT tv. But whatever your decision, please do not throw them in the trash. Goodwill organizations no longer accept act these obsolete devices.

Is cathode ray tube harmful? ›

Why are CRTs of concern? Harmful radiation is generated when an image is created on a CRT screen. In order to shield viewers from this radiation, a substantial amount of lead is incorporated into the glass used to manufacture the various glass components of a CRT (approximately 4 pounds of lead per CRT).

What is the disadvantage of cathode ray tube? ›

Disadvantages of the CRT display are its large volume and weight, especially for large displays, as well as the necessary high voltage (20–30 kV).

Do cathode ray tubes emit radiation? ›

Cathode Ray Tube (CRT) monitors are associated with the possible emission of bremsstrahlung radiation produced by electrons striking the monitor screen.

What is the alternative to cathode ray tube today? ›

Beginning in the late 90s to the early 2000s, CRTs began to be replaced with LCDs, starting first with computer monitors smaller than 15 inches in size, largely because of their lower bulk.

Are CRTs still being made? ›

There's only one company on earth that still makes CRT displays. They are in India. I'm aware of them because when older aircraft (with older co*ckpit displays) require replacement screens we had to get them made there.

Do CRTs emit blue light? ›

The CRT in a TV is a glass vacuum tube. The inner surface of the screen is coated with tiny phosphor dots that emit light in the three primary colors (red, green, and blue).

Is CRT a hazardous substance? ›

CRTs contain toxic materials such as lead, cadmium, barium, and fluorescent powders which can be released if recycling of CRTs is not appropriate.

What happens if you break a CRT TV? ›

A break in the tube – which is fragile at the “neck” behind the screen, causes an implosion followed by an explosion of glass. Heavy Metals: CRT monitors and TVs can contain anywhere from 2 to 5 pounds of lead per unit! Color CRT may contain mercury – commonly found in many electronics – hazardous if the screen cracks.

Is it safe to open a CRT TV? ›

Taking apart the TV or monitor can be very dangerous. High voltage may remain stored inside the tube even after being unplugged for a few years. Be careful not to drop the CRT. You could get seriously injured or die if mishandled.

How to dispose of cathode ray tubes? ›

Bring It To An Electronics Recycling Facility

You just need to be careful that you only deal with licensed recycling companies as these old tubes need special handling in a safe and environmentally responsible way.

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