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sample C4 <br /> L <br /> Fiber Dimensions and Concentration Provided by TEM Labs <br /> L Fiber Length(Nm) > 5 w <br /> W Fiber Width(Nm) > 0.25 <br /> w <br /> V=L x W x W Fiber Volume(pm3/Fiber) = 0.3125 <br /> I <br /> C Concentration(Fibers/cm3Ail) = 0.0012 <br /> i <br /> NIOSH Data <br /> I <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 i <br /> Concentration(PgAsb/m3Air) = 0.00112 <br /> p 9 ,Ug l 3 100 cm s <br /> Conc.of Fiber ,uSAsb( 3 = C x V x P.".,- x S.g. X 1 1 x 109 <br /> X l x 106 m Ion m <br /> m A;, <br /> i <br /> i <br />