Document q3eNnMEE0dbyrD0z0v2EMy2VR

TABLE VI WORKPLACE PROTECTION FACTORS FROM TRANSMISSION ELECTRON MICROSCOPIC ANALYSES Workplace Protection Factor Respirator Fibers Exceeding 0.2 ura Diameter and 5 um Length* All Diameter Fibers Exceeding 5 urn Length 3M 8710 330 120 3M 9910 47 41 Survivair 2000 with Dust. Mist and Fume Filter 28 29 Survivair 2000 with High Efficiency Filter 21 19 / * Those which would be counted by the standard phase contrast microscopy method. DUP 0907371