A METHOD FOR THE ASSESSMENT OF IMPACT NOISE WITH RESPECT TO INJURY TO HEARING

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Abstract
A three-part system of measurement is described which is intended to meet the need for the assessment of impact noises encountered in a wide range of occupations. The system is based upon the conclusion that an energy concept is valid for long-term exposures to impact noise. It sets out simple methods for the measurement of “equivalent-continuous noise level” of various types of noise. Impact noise is divided into three categories according to repetition rate. Measurement technique varies according to category; but the system as a whole is intended to fit in with the “Hygiene Standard for Wide-Band Noise” BRITISH OCCUPATIONAL HYGIENE SOCIETY (1971).

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