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Fiber Dimensions and Concentration Provided by TEM Labs � <br /> L Fiber Length(pm) > 5 w <br /> W Fiber Width(pm) > 0.25 <br /> w <br /> V=L x W x W Fiber Volume(pm3/Fiber) = 0.3125 <br /> C Concentration(Fibers/cm3Air) <br /> NIOSH Data <br /> s.g. Specific Gravity Asbestos = 3 Range of(2.5-3.0) <br /> Conversion Factors <br /> Pwater Density Water(kg/m3) = 998 <br /> Unit Conversion <br /> Concentration(pgAsb/m3Alr) = 0.000936 <br /> Conc.of FiberP9m A;r A,,b = C x V x x s. x ] x 109 ,ug x l m 3 x 100 cm 3 <br /> C 3 g 1kg 1x106 m <br />