Industrial Hygiene and Safety

Health and Safety Services: Electro-Magnetic Fields (EMF)

Power lines, electrical wiring, and appliances all produce electric and magnetic fields (EMFs) - invisible lines of force that surround any electrical device. Electric and magnetic fields have different properties and possibly different ways of causing biological effects. For example, while electric fields are easily shielded or weakened by conducting objects (trees, buildings and human skin), magnetic fields are not. However, both electric and magnetic fields weaken with increasing distance from the source.

BEM's IH personnel have the expertise to perform EMF studies and assist in evaluating the data collected in order to respond to emergency situations, complaints or as a proactive study measure. As part of an EMF study, BEM will design and implement a monitoring plan that will include:

• Identification of EMF sources;
• Collection of EMF readings around those sources;
• Documentation of EMF levels and comparing results to published exposure limits, and
• Recommending corrective action, as necessary.

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For more information, contact Don Richardson, CPG, Director at (908) 598-2600 x183 or at drichardson@bemsys.com drichardson@bemsys.com.