Document 3enprMEnaKx54NEjqLbpNxv1y

.-i,.-. .............. . '2- Tho rates by weighted exposure arc shown Ln Table /, and it will be BtiUd Chat they prosonl strong avldence against aubestos being a carcinogenic llii gun), lor, IT exposure to asbestos is In any way connected to lung cancer, wo would expect that the longer and beavlar the exposure, tho higher the rate tt t.`. *t 5 a1 HJ h, < VJi) that would bo found. Thejsnly possible error In this Interpretation could occur if the weighted exposures wore Inversely related to years of employment, In which case the heaviest weighted exposure (category III) would show the short* Isit length of employment. Table which lists the number of poreons in various exposure categorico by length of employment Indicateo that this error bat not occurred. In fact, the average number of years of employment for etch exposure category It almost Identical. . . . >.. . TABLE 1f \ Q Number of Poreons and Number of Lung Cancer Deaths by Exposure Category Exposuro Cstetory 1 U 111 Unknown Totals Persons 2031 2150 1772 S 5953 Lunp Cancer Deaths Proved Total 44 34 24 00 sT lT L(Table (T continued on next page.) 0277