Open HSI menu
Subscribe Login

Home / Articles and Press Releases / Article / Risks Arising from Electromagnetic Fields

CATEGORIES

  • Latest Issue
  • Above The Neck Protection
  • Chemical Protection
  • Confined Space
  • Construction
  • Emergency Procedures
  • Energy, Oil and Mining Industries
  • Eye Protection
  • Fall Protection
  • Gas Detection
  • Hand Protection
  • Hazardous and Explosive Atmospheres
  • Health and Safety Awareness
  • Hearing Protection
  • Heat and Flame
  • Lighting and ATEX
  • Noise Monitoring
  • Personal Protective Equipment
  • Respiratory Protection
  • Safety Footwear
  • Safety Technology
  • Safety Training
  • Slips, Trips and Falls
  • Wellbeing at Work
  • Working at Height
  • Working Rights

MORE

  • Press Releases
  • Events
  • Videos
  • Webinars
  • Magazines

COMPANY

  • About
  • Advertising
  • Newsletter
  • Contact
Open HSI menu
Subscribe

Home / Articles and Press Releases / Article / Risks Arising from Electromagnetic Fields

CATEGORIES

  • Latest Issue
  • Above The Neck Protection
  • Chemical Protection
  • Confined Space
  • Construction
  • Emergency Procedures
  • Energy, Oil and Mining Industries
  • Eye Protection
  • Fall Protection
  • Gas Detection
  • Hand Protection
  • Hazardous and Explosive Atmospheres
  • Health and Safety Awareness
  • Hearing Protection
  • Heat and Flame
  • Lighting and ATEX
  • Noise Monitoring
  • Personal Protective Equipment
  • Respiratory Protection
  • Safety Footwear
  • Safety Technology
  • Safety Training
  • Slips, Trips and Falls
  • Wellbeing at Work
  • Working at Height
  • Working Rights

MORE

  • Press Releases
  • Events
  • Videos
  • Webinars
  • Magazines

COMPANY

  • About
  • Advertising
  • Newsletter
  • Contact

CATEGORIES

  • Article
  • Press Release
  • Above The Neck Protection
  • Chemical Protection
  • Confined Space
  • Construction
  • Emergency Procedures
  • Energy, Oil and Mining Industries
  • Eye Protection
  • Fall Protection
  • Gas Detection
  • Hand Protection
  • Hazardous and Explosive Atmospheres
  • Health and Safety Awareness
  • Hearing Protection
  • Heat and Flame
  • Lighting and ATEX
  • Noise Monitoring
  • Personal Protective Equipment
  • Respiratory Protection
  • Safety Footwear
  • Safety Technology
  • Safety Training
  • Slips, Trips and Falls
  • Wellbeing at Work
  • White Papers
  • Working at Height
  • Working Rights

Article

Risks Arising from Electromagnetic Fields

By Dr Eurico Assunção

| Read Bio

Published: November 27th, 2017

Share this article

Since hazards such as sparks, spatter, radiation fumes and even electric shock are common in many of the processes used for joining, welding operators need to wear suitable protective equipment.

The use of PPE is a good safe practice, and in welding, CEN and ISO standards detail the requirements that these protective items need to fulfil. Two examples of such standards are ISO 11611 and ISO 4850:1979.

ISO 11611 specifies the minimum necessary safety requirements and test methods for protective clothing including hoods, aprons and sleeves.

ISO 4850:1979 (Personal eyeprotectors for welding and related techniques) specifies the numbering of and transmittance requirements for filters intended to protect operatives performing the manual work involved in technologies such as welding, braze welding, arc gouging and thermal cutting.

Tv2n7rbbipo8lfwk8t0q - hsi -

Electromagnetic fields, a risk to be reckoned

Electromagnetic fields are increasingly used in many fields, such as medicine with magnetic resonance imaging (MRI), telecommunications equipment, transportation systems that use direct current (DC) or static magnetic fields and high-energy physics research facilities, amongst many other examples.

More recently the awareness of the potential health problems related to exposure to electromagnetic fields has led to a new European law (EU Directive 2013/35/EU) which indicates the need for workers’ exposure to electromagnetic fields (EMF) to be assessed. For most industrial processes the levels of exposure will be low, and no further action will be necessary. However, there are some welding processes that produce high levels of EMF, which can lead to workers being exposed to fields higher than permitted. Electromagnetic fields cannot be seen or heard, so an assessment by measurement or calculation is required.

“the assessment should take into consideration the level of electromagnetic fields at various positions around the welder, as well as the frequency of the field”

This Physical Agents Directive 2013/35/EU encourages improvements in workers’ safety and health across the EU, specifically targeting workers’ exposure to risks arising from electromagnetic fields (EMF). Since its enforcement at the beginning of July, all European companies need to ensure that their processes are compliant with this directive. Even if no further action will be required for the majority of businesses, those that use equipment operating at high frequency or high current levels may need to conduct more detailed assessments.

- hsi -

In welding, electromagnetic fields, a natural part of the process, can also put welding professionals at risk – if taken lightly. The directive requires employers to ensure that their workers are not exposed to high levels of EMF. As a result, mandatory exposure limit values were established for all sectors on the basis of the recommendations issued by the International Community on Non-ionising Radiation Protection.

It is not, however, so straightforward as all that. Even if exposure limit values are given for the field induced by the human body, these are very difficult to assess. Thus, the directive also provides action levels of the field to which the worker is exposed, which can be measured directly. There are separate action levels for the body and limbs, and those levels are frequency-dependent. Therefore, the assessment should take into consideration the level of electromagnetic fields at various positions around the welder, as well as the frequency of the field.

Since most processes will generate multiple frequencies, is necessary to take into account the field of each frequency component.

In production, a range of typically identified processes is producing high levels of EMF. These include the following:

  • Resistance welding
  • Some arc welding processes
  • Induction heating
  • Magnetic particle inspection

The magnitude of the field to which the welder is exposed will depend on the type of equipment, the welding parameters and the position of the welder. Therefore, every kind of equipment and operating procedure requires a separate assessment, which can be achieved by taking many measurements or by a complex calculation.

Kj4jfuiubic5k3tfimyv - hsi -

Simplifying assessments

A specialised software called EMFWELD (developed by TWI, CEEMET and EWF) is available to use online (www.emfweld.eu) to make assessment simpler for health and safety officers and supervisors, requiring no download or installation, with a simple use. After the user enters details of the equipment, welding parameters and operator position, the software then calculates the EMF exposure based on an extensive database of results obtained from magnetic field waveforms from different processes and equipment. An assessment of the three action levels (low, high and limb) required in the directive is provided in the report obtained, which also includes exposure limits values.

EMFWeld provides an uncomplicated way of carrying out a complicated assessment, as it can be performed entirely online, with no need for software installation, which means it can even be used on the shop floor. Complex algorithms are used to generate detailed reports of EMF exposure levels based on simple parameters inputted by a user. As well as providing easily interpretable maps of the magnetic field strength around the welding equipment, each report also lets the user know what action, if any, is required to reduce exposure below the action levels.

EMFWELD has been developed by a consortium led by the European Federation for Welding, Cutting and Joining; the Council of European Employers of the Metal, Engineering and Technology-Based Industries; and TWI, a UK-based world leader in welding and joining research.

Also, EMFWELD generates a map of the field around the equipment, so it is easy to see where the exposure is below the action levels. The above chart for a resistance welding process shows that exposure is below the action levels where the operator is standing. It also indicates that if the operator is holding a component, the hand exposure will be exceeded up to 150mm from the electrodes. Also, for this equipment, exposure is higher at the side of the gun than in front of the electrodes.

- hsi -

Figure 1. Action levels compared with the EMF Directive

Where exposures exceed the action levels, often only small changes are required to bring the process into conformance. For example, moving slightly further away from the equipment or adjusting the position of handles and controls can produce a significant reduction in exposure.

Given the pervasive nature of electromagnetic fields in welding, most metalworking companies are now faced with the need to comply with the Directive and ensure the safety of their professionals. That means that health and safety officers and welding coordination personnel must be adequately equipped to respond to that need. For that to be possible, it is necessary to have a qualified workforce. At this moment a new professional profile is being developed through a European funded project called HS-EMFW with the purpose of fulfilling the actual market request for qualified personnel.

“currently, risk management in welding fabrication training is not harmonised, although some countries have already started looking into this area”

EWF manages an international harmonised qualification and certification system for welding and joining professionals since 1992, which is used in 46 countries and as such has the background for developing a qualification guideline for this new professional profile, the Electromagnetic Fields Health and Safety Officer in Welding (EFHSOW). This new qualification standard, being developed through a European Funded project called HS-EMFW, complies with the EU Directive requirements, responds to the market needs and it will be soon available across the EWF network comprised of 28 European countries and 18 non-European countries. Companies and professionals can have access to this qualification through EWF Authorised National Bodies.

A6ob10y6rrt7tly2nuws - hsi -

Figure 2. Electromagnetic filed map around a welding equipment – www.emfweld.eu

This European qualification standard incorporates the common European tools (e.g. Learning Outcomes, EQF, ECVET), and complies with the Rules and Operating Procedures of the EWF Quality Assurance System.

Technologies and training

EWF is a pioneer in implementing a harmonised qualification and certification system for joining professionals. To keep its system responsive to the need created by the technological advance, EWF has been innovating in both training methodologies, and in the development of new technologies and uses for joining. In these projects, the need for qualified and aware personnel plays an important role. Two examples are the two Erasmus + projects EWF is currently involved in. One, called HSE-Joining, looking at the creation of Health, Safety and Environment training tools focused on joining. This focused on training personnel in the welding sector to ensure that they are aware of the hazards that joining professionals have to take into consideration. For example, hazards related to hot materials and spatter, working in confined spaces, toxic fumes, handling gas cylinders, infrared and ultraviolet radiation, vibrations, electromagnetic fields, electricity, noise, and cutting processes, while also looking into ergonomics. This project will also address the lack of environmental awareness.

Another project, called Risk Management in Welding Fabrication (RMWF), is developing a new training course to train the first group of specialists in this field. Currently, risk management in welding fabrication training is not harmonised, although some countries have already started looking into this area. Furthermore, there is a need to implement two standards which are intended to harmonise risk management at an international level (ISO 31000 and ISO/IEC 31010), thus creating the framework for optimised risk assessment and easier exchange of know-how between specialists in different countries.

Qjr5aotpwswmerecrzcv - hsi -

Figure 3. HSE-JOINING project – http://hse-joining.eu/ – This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Through the project, participants will improve their competitiveness and employability on the labour market. By integrating the RMWF course into the EWF network and national educational systems in partner countries, the latter will be better aligned to the needs and opportunities offered by the labour market and closer linked to business and community.

The project’s objectives are to develop a new training course and to train the first groups of specialists in the field of risk management in welding fabrication. Through these objectives, the project contributes to the recognition of skills and qualifications, making the first steps towards adding a new qualification. Once the project is finished, it is expected that the newly created course curricula be integrated into the EWF network, ensuring European recognition of the qualification. As a part of a life-long learning philosophy, the consortium will also develop an e-learning scheme for the training courses.

With the aim of connecting education with industry, through the contribution of its member organisations EWF has established a firm link to the local industry, providing knowledge and training as well as participating in research initiatives that address the most pressing questions and challenges in the field of joining technologies.

Share this article

ABOUT THE AUTHOR

Dr Eurico Assunção

Dr Eurico Assunção is Deputy Director of EWF as well as being Invited Assistant Professor at Instituto Superior Técnico, and a Trainer for Laser Processing Personnel. Dr Eurico Assunção holds a degree of Masters in Science, Engineering (Instituto Superior Técnico, Lisbon), as well as a degree as Doctor of Philosophy (PhD) Welding Engineering, from the University of Cranfield and a European and International Welding Engineer Diploma.

Connect with Dr Eurico Assunção

POPULAR POSTS BY Dr Eurico Assunção

Istock 684161714 0 228 846 1500 - hsi -

Article

Risks Arising from Electromagnetic Fields

Get email updates

Sign up for the HSI newsletter

Keep up-to-date through the power of email with Europe's largest audited safety magazine - delivering the latest news and products to satisfy all your occupational safety needs.
  • This field is for validation purposes and should be left unchanged.

FEATURED ARTICLES

Article

 Thameslink Traffic Management Programme

Press Release

‘Working At Height’ Remains Biggest Danger

Press Release

“Uncertainty and Ignorance” Risks More Asbestos Deaths

Advertisement

SOCIAL MEDIA

HSI on Facebook

https://www.facebook.com/HSIMagazine/

Advertisement

SOCIAL MEDIA

HSI on Twitter

hsimagazine HSI Magazine @hsimagazine ·
25 Jan

Global gas sensing leader @ionscience has today formally announced the addition of a high-specification Particulate Matter (PM) sensor to its portfolio.

Read all about this exciting addition!
https://www.hsimagazine.com/press-release/worlds-best-performing-particulate-matter-pm-sensor-now-available-from-ion-science-ltd/

#hsimagazine #ionscience #particulatematter

Reply on Twitter 1618280038557970432 Retweet on Twitter 1618280038557970432 Like on Twitter 1618280038557970432 Twitter 1618280038557970432

Advertisement

SUBSCRIBE

Stay up to date with our newsletter

    • Keep up-to-date with Europe’s largest audited safety magazine

 

    • Delivering the latest news and products to satisfy all your occupational safety needs

 

This field is for validation purposes and should be left unchanged.

Subscribe

SUBSCRIBE TO HSI MAGAZINE

5 reasons to subscribe to our digital and print package

  • Stay up to date from anywhere in the world, with instant access to the latest issue straight from your phone, tablet or laptop.
  • Trust that you’re getting the best content from our range of internationally accredited authors.
  • Get full access to our archives and see how occupational safety has evolved with us over the years.
  • Enjoy our monthly newsletter curated with up-to-the-minute news and a selection of editor’s top picks.
  • Hot off the press and straight to your door – look forward to your own glossy copy of HSI, delivered five times a year
Subscribe View Subscription levels

STAY SAFE & INFORMED

Subscribe to the best health & safety articles, news, products and regulations

Find out more

Stay up to date with our newsletter

  • This field is for validation purposes and should be left unchanged.

ABOUT

  • About HSI International
  • Advertise
  • Contact Us

YOUR ACCOUNT

Sign In Register Account Subscribe to HSI

RESOURCES

Request Media Pack

CONNECT

ACCREDITATIONS

Copyright Bay Publishing 2023. All Rights reserved.

Designed & Built by:
  • Terms & Conditions
  • Privacy Policy
  • Cookie Policy
We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept”, you consent to the use of ALL the cookies.
Cookie settingsACCEPT
Manage consent

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
CookieDurationDescription
cookielawinfo-checbox-analytics11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checbox-functional11 monthsThe cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checbox-others11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-necessary11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy11 monthsThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
SAVE & ACCEPT