Document k6GxzM96d86w61ZGJ4nRao7qB

Page 2938 1 And these were to supplement work which had 2 been done in England using a -- some sort of a water 3 spray and hose and some other technique which had been 4 used by people in Europe. 5 Q Do you recall what the result of the 6 research that was done was? 7 A One I remember was done in the 8 transportation garage, and there the -- there was a 9 sampler on the right shoulder of the mechanic in 10 replacing the brake lining, and I believe it was .45 11 fibers per cc for the mechanic. 12 And he used a vacuum cleaner, an 13 industrial-type vacuum cleaner, and the discharge of 14 the air coming out of the vacuum cleaner was just 15 under one fiber per cc. So very clearly the vacuum 16 cleaner was not suitable for that purpose. 17 Q Did your research eventually lead to the 18 development or identification of a vacuum cleaner that 19 was suitable? 20 A Yes. We made a recommendation to the 21 facilities group to look for a manufacturer of a