The N95 blocks 95% of particles bigger than 0.3 microns, or one-three-hundredth the width of a human hair.

FORBES: Magazine Article

Though winner Carmelita Jeter (10.92) and runner-up Tianna Madison (10.91) secured Olympic berths, it appeared that Jeneba Tarmoh had edged three-time Olympic medalist Allyson Felix by a hundredth of a second for the third and final spot.

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