Document dnq2zB1QNbo64RKX1Jb5ZLj0B

Page 2252 1 Now, I guess, really, the only difference is 2 that they take out the word "probably?" 3 A Yes, based on no new data. The same j 4 report. 5 Q Still in 1939 if I was going to get a copy 6 of this , this is what I would have read back then, 7 right? 8 A Yes, there is also a reference in the back : 9 to the whole report. 10 If you really want to find out what is in 11 the whole report, you would read it. 12 Q Now, we have talked about TLVs today, and am 13 I correct that TLVs are geared toward the entire 14 working lifetime of a worker? 15 A They are, yes. 16 Q Okay. And we have mentioned a couple of 17 times TWA or time-weighted average, but I don' t think \ 18 it has really been explained to the jury. 19 Could you tell the jury what a time-weighted 20 average is ? 21 A Well, in essence it is this.