“…12 The authors of the critique refer to the 20 asbestos bodies per gram as the upper limit of background relied on by Roggli, without noting that this is the same range relied on by one of the authors of the critique in his own textbook. 13 Based on this upper limit of background, one might expect to find a single asbestos body in five 2 3 2 cm 2 sections of lung parenchyma (as opposed to the 50-100 or more lung sections claimed). The authors of the critique offer anecdotal evidence of cases of asbestosis based on fiber analysis with no asbestos bodies found in histologic sections.…”