Document 3Va7qGorJypE97J3KKoLk8dx

Figure 8 - Workplace Protection Factors for North 7700 Haifmask Respirators with High Efficiency Filters Cumulative Distribution: (Lognormal) Geometric Mean: 250 Geometric Standard Deviation: 6.9 Best Estimate of 5th Percentile: 11 DUP Data: 12, 20, 36, 60,74,110,260, 350,400,1000,1900, 2000,2400,3100