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The first step in an effective EMF/EMI Assessment is the ability to identify, document, record, and analyze the existing electromagnetic environment (e.g. Geo-Magnetic, Quasi-DC, AC ELF, and RF field levels) at the site(s) of concern. This is routinely accomplished by conducting a broadband EMF/EMI Survey.
FMS offers full spectrum (0Hz – 3GHz and higher if required) comprehensive site analysis surveys which can be tailored to the client’s specific needs or requirements. The surveys are performed by highly experienced engineering staff using specialized and NIST traceable test equipment.
Utilizing data provided by the results of the site analysis, FMS compares the documented EMF levels to either client-established or equipment EMI/EMC standards to determine if EMF levels exceed EMI/EMC threshold limits. In the absence of specific guidance, FMS relies on published international EMI/EMC standards.
If the predicted EMF environment exceeds a specific EMI/EMC specification, an EMI threat risk will likely exist. For each area determined to be at EMI threat risk, FMS provides recommendations, as appropriate, to mitigate the EMI threat risk to below recommended or established industry EMI/EMC standards.
FMS provides guidance on “Determining EMI Threat Risk” and the critical decision of a “target” residual field strength specification for mitigation recommendations. FMS provides specific mitigation plans that achieve the client’s “target objectives” along with their associated cost and construction schedule impact.
To focus on better patient care, Massachusetts General Hospital chose to move existing outpatient services within the hospital to a new facility for a more convenient entrance.
FMS provided survey and mitigation recommendations to the Ontario Provincial Government to assist in understanding the EMF exposure.
FMS was the EMI/RFI consultant for the US Army’s Medical Research Institute for chemical Defense (USAMRICD).
Over its 20 years, FMS has successfully completed hundreds of EMI projects which included a diverse range of consulting and mitigation services.