Current intelligence bulletin 33 - radiofrequency (RF) sealers and heaters: potential health hazards and their prevention.
Rockville, MD: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHEW (NIOSH) Publication No. 80-107 (CIB 33), 1979 Dec; :1-19
The potential health hazards and the prevention of such hazards from radiofrequency (RF) sealers and heaters are reviewed and evaluated. The present OSHA standard for RF exposure at a power density of 10 milliwatts per square centimeter is intended to prevent adverse thermal effects. NIOSH recommends that future research projects dealing with RF energy meet requirements for better exposure dosimetry and quantification of biological effects, use of adequate experimental controls, and uniform reporting of experimental parameters and results. To protect workers from unwarranted exposure to RF energy, both NIOSH and OSHA recommend the use of properly designed and installed shielding material, the limitation of access to RF sealers and heaters to properly trained personnel, the posting of warning signs, the development of medical monitoring for exposure to RF energy, and the regular measurement of RF energy levels in the workplace.
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