Document yp6v1g9Bk0oJwQowJ5jj3VL4d

1 some of the numbers that you found yourself? Page 3200 2 A Seems to be kind of cyclic reasoning there. 3 Q Okay. Is this the first page of Roberts' 4 report dated May 12, 1980 which is the industrial 5 hygiene survey report of the New York City sanitation 6 which equals number 1 there? 7 A It appears to be, yes. 8 Q The time-weighted average was .21 and that 9 is what Roberts reported? 10 A I believe that is true based on 5.4 hours. 11 Q Isn't it true that Mr. Roberts in his 12 discussion section indicates that significant 13 concentrations may be generated during brake cleaning 14 of the brake shoes and brake housing backing plate. 15 Recommendations include the use of 16 respirators and implementation of a vacuum or wet 17 cleaning system to remove dust from the brake housing. 18 Isn't that what Roberts wrote? 19 A Let's understand that that is not his 20 recommendation. That is what somebody has written 21 about this paper.