Document LV5qJoezDEXd5x4eb6xao363

Page 3396 1 had crocidolite or amosite fibers, than that necessary 2 to cause asbestosis. 3 And by the latter part of the '70s, there 4 was a second New York Academy of Sciences symposium in 5 1979, and one of the major sections of it was what was 6 called the vexing shipyard problem, the study of 7 bystanders working in ship construction who were 8 developing disease. 9 And this is what then brought the level of 10 fibers from five million and went to two million. And 11 then they changed from particles to fibers, and two 12 million was equivalent to 12 fibers. And then it went 13 to five fibers, and then it went to one fiber, and now 14 we are down to a 10th of a fiber and the 10th of a 15 fiber is based on the mesothelioma. 16 Q People can still use asbestos today, but 17 just very, very small quantities? I 18 A Well, you have to use more elaborate 19 protection if your levels exceed a tenth of a fiber. j 20 Q Doctor, this disease of bystanders, was that ' 21 established in 1979?