Document 2NRezNV4DYZgMDza3YLbY0k4p
1 asbestos-producing plants, products plants and did
Page 2004
2 industrial hygiene measurements in those studies; and,
3 also, as part of my research, I collected air samples
4 and analyzed those by both optical microscopy and by
5 electron microscopy.
6 Q We have heard about both of those types of
7 microscopy.
8 Are you still doing asbestos research, Dr.
9 Dement?
10 A Yes,I am.
11 Q Have you ever done any work in the area of
12 risk assessment?
13 A Actually, the studies that I have done --
14 published with regard to dose response are on risk
15 assessment.
16 Q Could you tell us what does risk assessment
17 mean?
18 A Well, there are sort of two levels. One is
19 we believe for most toxic materials, including
20 asbestos, that there is a dose response.
21 That is, the longer you are exposed, the