Abstract
Aerosols of 4.1-µm mass median aerodynamic diameter chrysotile fibers were generated and passed through stitched (seamed) and unstitched (unseamed) DuPont Tyvek 1422A and Kimberly-Clark composite polypropylene fabric (CPF) spunbonded fabrics. The two unstitched fabrics and the two stitched fabrics were penetrated by amounts of chrysotile, which did not allow a statistically significant difference in penetration to be observed. Both Tyvek and the CPF allowed approximately a 1% penetration through the unstitched material and approximately a 30% penetration through the stitched material. These values refer to the suit materials perse and not to the entire garment. As such, they should not be considered as representative of the entire suit as worn by personnel.
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