Document 3QeV0O1wLanV5kQ0VYkd9vEqn

GRACE May 19, 1983 Construction Product* Division V. * G'ae i Cs 62 W.|**>0. t.|KUf C;-"6''d9. mi CI'*C i617i 876.1*00 Dr. R. V. McKinney Washington Rasaarch Cantar V. R. Craca & Co. 7379 Rouea 32 Columbia, HD 21046 Daar Bob, Tha air saaples which M. Saleh suboltted ware avaluatad, and eha results are attached herewith. Tha fiber counts are vary low. Tha 8-hour TWA Is lass than 0.0S fiber/al. far below tha OSKA allowed liait (for chrysotlle 8-hour TWA Is 2 ilml)'.------ Hgyavar. If tha insulation Is loose. It Is advisable to secure it soae way, since It contains chrysotlle asbestos. ----------------------------------- . If you have any questions, please let aa know. Sincerely yours JCY/pa Enclosure ce: M. Saith/VRC