When People Are at Risk People are typically exposed to very high 50/60-Hz magnetic field levels ranging between 10-1,000 mG (milligauss) when their offices and apartments are next to, over or under transformer vaults, network protectors, secondary feeders, switchgears, distribution busways and/or electrical rooms. Usually employees and tenants are not aware of this potential hazard unless the magnetic field source compromises audio/video equipment, electronic instruments, magnetic storage media, VDT’s, computers, and networks. Once the elevated fields are detected it ultimately becomes the responsibility of the building owner/manager to remedy, otherwise the employee and/or tenant may seek legal action. Consequently, there are only three practical solutions to mitigate magnetic field exposure produced from electrical systems within buildings: move the victims (people and equipment) away from the source, shield the source or shield the victims from the source. Accordingly, this is a list of relevant EMF human exposure/risk assessment standards for government and military personnel, contractors, and visitors based upon: ACGHI, NCRP, IRPA/ICNRP, OSHA, WHO, DOD, and the FCC OET Bulletin 65 Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields. - International Commission of Non-Ionizing Radiation Projection (ICNRP), limits of exposure to static magnetic fields: 2009, (0 Hz) - ICNRP:2010, For Limiting Exposure to Time-Varying Electric and Magnetic Fields (1 Hz – 100 kHz) - ICNRP:2009, Guidelines for Limiting Exposure to Time-Varying Electric, Magnetic and Electromagnetic Fields (up to 300 GHz) - C-95.1-2005 IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, (3 kHz – 300 GHz) - C-95.6-2007 IEEE Standard for Safety Levels with Respect to Human Exposure to Electromagnetic Fields, (0 Hz – 3 kHz) - FCC OET Bulletin 65 Addition 97-01, Evaluation Compliance with FCC for RF Human Exposure Limits, (300 kHz – 100 GHz)
