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Health hazard evaluation report: HETA-92-056-2223, U.S. Postal Service, Lansing, Michigan.
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 92-056-2223, 1992 May; :1-17
In response to a request from an employee of the U.S. Postal Service (SIC-4311) Collins Road Station in Lansing, Michigan, an investigation was made of possible hazardous noise exposures at that site. An automated Small Parcel and Bundle Sorter (SPABS) had been installed and was generating a certain amount of noise which the employees working in the letter carriers' sorting area viewed as a mental stressor. A canvas curtain had been hung to try to cut back on the noise exposure. Measurements indicated noise exposures between 70 and 80 decibels-A, a range that was below levels associated with hearing loss. The exposure pattern was variable throughout the day. There was a warning signal on the SPABS which emitted noise levels up to 103 decibels-A. The level of sound attached to the warning device plus the unpredictability of it and lack of control over it combined to present an occupational stressor. The author concludes that the noise levels did not exceed evaluation criteria; however, the noise was perceived as stressful and an interference with work. The author recommends that measures be taken to lessen the noise in the SPABS and letter sorting areas.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-92-056-2223; Hazard-Unconfirmed; Region-4; Noise-exposure; Mental-stress; Noise-pollution; Postal-employees; Author Keywords: United States Postal Service; noise; automated sorting machines; letter carriers
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division