Uv Light Non-ionizing Radiation Pdf

Uv light non-ionizing radiation pdf

The Non-Ionizing Radiation NIR Safety Program is designed to help protect employees, students and the general public from the harmful effects of non-ionizing radiation. Non-ionizing radiation NIR refers to electromagnetic radiation that does not have sufficient energy to ionize remove electrons from atoms or molecules.

Non-ionizing radiation

Instead the energy is converted to heat, and depending on the exposure time and the energy concentration of the radiation, it can lead to burns. Therefore, those working with non-ionizing radiation must take precautions to ensure they are not exposed to excessive levels of NIR. There are many sources of non-ionizing radiation within the University such as nuclear magnetic resonance, magnetic resonance imaging, nuclear fusion research, furnaces, microwaves ovens, UV lamps, fluorescent objects, induction heaters, transmission generators, Wi-Fi, mobile phones, cell antennas and more.

Very few of these will actually pose a significant risk during use.

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Sources of non-ionizing radiation that pose a risk are generally associated with a specific research project or only pose a risk during maintenance activities when existing controls are removed or modified.

Laboratories using ultraviolet UV equipment e.

Uv light non-ionizing radiation pdf

Wireless antennas, when active, produce radio frequency RF radiation which is regulated by the Federal Communications Commission. Wireless antennas or RF emitters have been recently installed across campus rooftops. Static magnetic fields are created from a fixed magnet or magnetic flux resulting from the flow of electric current.

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The greater the current, the stronger the magnetic field. Instruments that generate large static magnetic fields such as nuclear magnetic resonance NMR spectrometers and magnetic resonance imaging MRI scanners are commonly present in research laboratories.

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Objects made of ferrous materials such as steel can become a projectile when it is pulled rapidly toward the strong magnet and result in a hazardous situation or injury. Therefore, objects such as keys, scissors, knives, wrenches, oxygen cylinders and other ferromagnetic objects must be prohibited from the immediate vicinity of the magnet.

In addition, anyone wearing cardiac pacemakers, metallic implants, and other electronic or electromagnetic prosthetic devices should be kept away from strong electromagnetic sources. Superconducting magnets use liquid nitrogen and liquid helium coolants, to maintain the magnet coils in their superconductive state. Hence, precautions associated with the use of such cryogenic liquids must be observed as well. Training specific to the potential non-ionizing radiation hazards in your workplace is available upon request.

Ultraviolet Radiation

Electromagnetic EM radiation that does not have sufficient energy to ionize remove electrons from atoms or molecules. Sources There are many sources of non-ionizing radiation within the University such as nuclear magnetic resonance, magnetic resonance imaging, nuclear fusion research, furnaces, microwaves ovens, UV lamps, fluorescent objects, induction heaters, transmission generators, Wi-Fi, mobile phones, cell antennas and more.

Uv light non-ionizing radiation pdf

The following control measures or care must be taken while using microwaves: Do not use a metal stirrer or plastic-coated magnetic stirrer bars, aluminum foil wires, cables in a microwave oven. Do not attempt to heat flammable liquids or solids, hazardous substances or radioactive material in a microwave oven.

Uv light non-ionizing radiation pdf

Do not heat sealed containers; pressure can build up can cause an explosion either in the oven or shortly after removal. Do not use plastic containers in a microwave oven.

Do not overheat liquids in a microwave oven.

What You Need to Know

It is possible to raise water to a temperature greater than the normal boiling point; when this occurs, any disturbance to the liquid can trigger violent boiling that could result in severe burns.

No unauthorized repairs on a microwave oven. If a unit is suspected to be malfunctioning, disconnect it from the power supply, remove it from service and label it with an appropriate tag while awaiting repair or disposal. Any irreparable microwave oven should be rendered inoperable by removal of the plug and cord before disposal.

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If the door hinges, latch or seals are damaged, it is safer and cheaper to replace the entire unit. Magnetic fields Static magnetic fields are created from a fixed magnet or magnetic flux resulting from the flow of electric current.

Difference Between Ionizing and Non-Ionizing Radiation

What should I do? Please refer to the Laser Safety page. More Information Trainings Training specific to the potential non-ionizing radiation hazards in your workplace is available upon request. Glossary Ionizing Radiation Radiation that has sufficient energy to ionize remove electrons from atoms or molecules. Non-ionizing radiation NIR Electromagnetic EM radiation that does not have sufficient energy to ionize remove electrons from atoms or molecules.

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Contact Radiation Safety Reference Files. Non-Ionizing Radiation Safety Manual UV Safety Focus Sheet 1. Radio Frequency Safety Exposure Categorization Safe Handling of Cryogenic Substances Superconducting Magnets: Basics Safety