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INDUSTRY, LABOR AND HUMAN RELATIONS ? 44-3, , <br /> • 10.0 1 i r I I F I I I • I I F r 4 r I. <br /> 2 in/sec <br /> N <br /> ■ <br /> c <br /> >- 0.008 in <br /> f- <br /> U <br /> 1.0 <br /> w - 0.9 0.75 in/sec, <br /> . <br /> > -o.3 Drywall - <br /> w -o- i. - <br /> U -p.(. 0.50 in/sec, <br /> plaster <br /> 0 S J <br /> a -0.40.030 in <br /> -0.3 - <br /> 0.7- 0.010dt3µt 0.43 43(..?. l8rl.c <br /> 0.023 e.1 i4 <br /> 0,03/A.Fk <br /> -0.1 0.043e..2.42 0.043e.3 4 <br /> Cl 065 O 0 <br /> 1 <br /> Q ( ,z " w g , I I _ <br /> 1 Z 3 Co 3910 Z.0 3o 100 <br /> FREQUENCY, Hz <br /> Figure 7.64 <br /> BLASTING LEVEL CHART <br />