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Health hazard evaluation report: HETA-86-437-1818, Champion International Corporation, Hamilton, Ohio.

Tubbs RL
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 86-437-1818, 1987 Jul; :1-11
In response to a request from employees at the Champion International Corporation (SIC-2645) paper mill located in Hamilton, Ohio, a study was made of possible excessive noise hazards arising in the small cutter area of the facility. One paper cutter, considered by workers to be louder than the others, was scheduled to have an enclosure installed for the rotary knife blade. Noise surveys were conducted in July before the installation and in November after the installation of the enclosure. Data gathered in July indicated noise levels of 108 decibels-A (dB-A), while the octave band analysis demonstrated the majority of the sound energy to be in the midfrequency range from 250 to 4,000 hertz (Hz). In November, tests showed the level to be 95dB-A with a corresponding decrease in the midfrequency sound intensities. Enclosing the rotary knife blade did reduce the potential for noise exposure, but noise measurements in excess of the NIOSH Recommended Exposure Limit of 85dB-A for an 8 hour day were common. The author concludes that a noise hazard existed in the small cutter area. The author recommends that engineering controls be continuously sought to further reduce the noise level from this particular machine. The use of nonmetallic drive gears should be considered, along with filling of the hollow knife blade cylinder with a lightweight acoustical material. An effective hearing conservation program should be implemented and employees trained in the proper use of hearing protective devices.
NIOSH-Author; HETA-86-437-1818; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; Region-5; Hazard-Confirmed; Industrial-noise; Noise-control; Paper-manufacturing-industry; Paper-milling; Author Keywords: Die-Cut Paper and Paperboard and Cardboard; noise; paper making industry; paper cutters; enclosures
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Field Studies; Hazard Evaluation and Technical Assistance
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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