Document 3Jj6jqLGQjkLxGDJVpvJYbDOD

r*rwn ;'*xraer3&"i> iS; Age Croup 20-44 43-54 53-64 65* Unknown Total* TABLE 6 Number of Parsons Mil Number of Lung Cancor Death* by Ago Croups Persons 3901 1124 613 315 .3 5953 Lurr.Cancer Deaths Proved Total 11 l3 33 45 00 9 T7 .inn. >/!'. i;L i) lo seen Ml*A Are Croup 20-44 45-54 55-64 65* Unknown Tcta e` Annual Lung Cancer Death Ratos per 100, 000 Man-Years of Exposure by Age Croups Proved 4 . is . 81 212 0 U .. Total 4 44 81 265 0 34 The rate* by length of employment are shown In T.ablo^, During the first 40 yeara of employment, the rato risen, an obeorvatlon which seeme plausible since the men were growing ol<lor, Kowevor, aftor 40 years of ex posure there are no "proved" case* reportod for a total of 240 moo during the Six years, orzhout 1440 man-year* of oxpooure. Wbon tho "suopectod" 0275