Document 6Rd59jGJmOOQg7QGxx9YNroZo

1 cancer from solvent exposure? Page 3534 2 A I think that is too general a statement. 3 Certainly benzene is classified as a solvent; and in 4 some of my studies, I do report an increased risk of 5 certain type of leukemia associated with benzene 6 exposure. 7 Q We just covered benzene. Let me ask you 8 about the next one. 9 You did an epidemiological study for the 10 petroleum industry which concluded no increased risk 11 from gasoline vapors. 12 Is that the study, or is that different? 13 A There is about 2 percent of benzene in 14 gasoline. That low exposure, we don't see an increase 15 of leukemia. 16 Q You have done some epidemiological studies 17 for Mobil regarding no increased risk of cancer in 18 refinery workers? 19 A That is not completely true. We do see an 20 increase of leukemia in a group of people who were 21 hired before 1950s, and we reported it in our report