Document LJYMZxRoe54MXx7pxQrYLKYQ

1 mesothelioma, what was the date of that? Page 3395 2 A That was in 1972. 3 The other thing in the '70s that was, you 4 know, that was notable, if you look at the history, 5 was the recognition that not only were workers in 6 plants at risk, and insulators or people using the end 7 products or, say, a plasterer, like in this case where 8 you sprayed asbestos-containing plaster, but that 9 people who worked in the vicinity where asbestos was 10 being applied or removed might also be at risk of 11 disease. 12 In these populations they included 13 electricians, carpenters, laborers that swept up the 14 floor, pipefitters and this sort of thing. 15 What was found in these populations, and 16 this occurred during the course of the '70s, was that 17 although their levels of exposure were lower yet than 18 the insulators, and although you rarely saw 19 asbestosis, what you did find were some mesotheliomas, 20 indicating that the level of asbestos required to 21 cause mesothelioma was even lower, particularly if you