Health Hazard Evaluation Determination Report No. HE 80-97-713, Hewlett-Packard Company, Loveland, Colorado

摘要

The electromagnetic fields emitted by radio frequency (RF) plasma systems were measured at the Hewlett-Packard Company (SIC-3825) in Loveland, Colorado on June 3, 1980. The investigation was requested by an unidentified individual on behalf of an unspecified number of workers. Electrical field strengths range from nondetectable to 551 volts per meter (V/m), exceeding the OSHA standard of 200V/m, and magnetic field strengths ranged from 0.33 to 2.4 amperes per meter (A/m), exceeding the OSHA standard of 0.5A/m. All measurable field strengths were undetectable at 1 to 5 inches from the point of emission. The author concludes that although RF radiation is being emitted above current standards at some sites, due to normal operating distances and total daily operational time, operators are not likely to receive personal exposure to RF radiation in excess of the current OSHA standard. He recommends that operators receive training on the hazards associated with RF radiation and that management consider the posting of warning signs.