Section R11-1-475. Noise control  


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  • A.       No employee shall be permitted an exposure to noise in excess of that specified in the table below. Noise level measurements shall be made using a sound level meter meeting specifications contained in “American National Standard Specification for Sound Level Meters,” which is hereby incorporated by refer- ence and made a part hereof, or by a dosimeter with similar

    accuracy. This publication may be examined in the Arizona State Mine Inspector’s office.

    Duration Per Day Hours of Exposure

    Sound Level Dba Slow Response

    8

    90

    6

    92

    4

    95

    3

    97

    2

    100

    1 1/2

    102

    1

    105

    1/2

    110

    1/4 or less

    115

      

     
    PERMISSIBLE NOISE EXPOSURES