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Figure 1 | Environmental Health

Figure 1

From: Quantification of short and long asbestos fibers to assess asbestos exposure: a review of fiber size toxicity

Figure 1

Percentage of short asbestos fibers (SAF): L < 5 μm, d < 3 μm and L/d > 3 and regulatory WHO fibers: L ≥ 5 μm, d < 3 μm and L/d > 3, according to the type of asbestos containing materials (ACM), measured by transmission electron microscopy (TEM) in 105 air samples obtained in 64 public buildings in Paris area, between 1997 and 2004, for asbestos regulatory diagnosis purpose.

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