Document 14jBeogaG6Ek2Em9DG4E7vnK

TO*Mlj*niltaKIateiii=a' PLAINTIFF'S EXHIBIT DUP-1358 DON'T SAY IT--WRITE IT TO frank B. Puller atInginosring Dept. Louvieri 13W5 ranvt Richard J. Hublak. Haakall Laboratory date 2/21/73 Enclosed la the article for which you asked commata on (7/2B/72). Sn tha atudy reported, thaxa dafinitely axlata cha ear* cinoganicity potential for fiber glaas although tha iaeidanea ia not aa graat aa that for aabeatoa. The eala factor la thie atudy was the fiber eharaetaristie. Metala froa Billing aabeatoa flbera and silica, a natural constituent, did not produce aa effect. The author* admit that the eonccatratioa* necaaaaxy to pro duce cancer would be hard to produce in an induetrial environ ment. Amounts that aay occur from ducta or from inaulatlon would be of little significance. there have been many atudlea on the heelth of fibroua glaea worker* without arriving at any signifieant finding*. Z have encloaed a eaanent from the C & BB Bows (l/S/73) about a atudy by one of the original author*. Be aay have new iaforaatlon ob fibroua glaaa. Personnel froa laskell will visit hia soon to discuss his findings. Zf anything new ccaaa froa this aaetlng, I will keep you iafsnMd. KJS/bjd Incla. (2) nel.i (i) 'Mechanism* of Meaothelioan Znductien with Aabeatoa and Fibrous glass.* Mearl F. Stanton and Constance Wrench. Journal of the national Cancer Institute, 4s 797-S21, 1972. (2) Chemical ft Saginsuring Bawa, January S, 1973, Page 13. THIRI IS NO SAFfOUARD FOR A WANDtRINO MIND 337 DUP 090JII3 DU 024497 \