Arizona Administrative Code (Last Updated: November 17, 2016) |
Title 11. MINES |
Chapter 1. STATE MINE INSPECTOR |
Article 4. AIR QUALITY, VENTILATION AND RADIATION, AND PHYSICAL AGENTS |
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