UNTIL STUDIES INDICATE THAT ASBESTOS EXPOSURES DURING ROOFING PROJECTS ARE WITHIN ACCEPTABLE PARAMETERS.

CAUSE NO. 98-03869-G GILBERTO ANTONIO BALLI, et al., Plaintiffs, VS.

Ccpy 7rcm D.

Southwestern Sash and Door Co* P.O.Box 1919 81 Vaso, Texas Net 30 davc ) 2bC.j ' August 5. 1955 Del Our plant b only 1/4' Johns Fanville Flexboard Sheets, Prow stock Our Code No. i33/M x 8' (Transite) 217.37A CONFIRMATION ytl&IubT Siffrip-5 'v 246?

HER 0000022

PLAINTIFFS i>n 4 EXHIBIT I ASA-66 VIA AIRMAIL MR.

PLAINTIFFS EXHIBIT ASA-115 MEDICAL ASPECTS OF OCCUPATIONAL EXPOSURE TO ASBESTOS Hilton C.

Cement Asbestos Products Company Woodward, Alaiama ,January 4 1965 PLAINTIFFS I EXHIBIT l' ASA-210 Mr.

ASARCO Central Research Department South Plainfield, N.J. 07080 NOV L 6 $78 November 15, 1978 REF: 1188 Mr.

% 30 March 1982 Medical Department Charles H.

:o^u*+ Table Z-2 Material 8-bour time waeviegrhatgeed Acceptable celling concentration Acceptable maximum peak above the acceptable celling concentre- tlon lor an 8-bour abut, -- - - .. -- Concentration Maximum dumloa ^r.rene (Z37 4-15S9I'................................... ........y*rylliura and beryllium compounds 10 p.p.m........ 25 p.p.m.. 5*g.

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7(Lr W -7^ ^ T#4 /3 - 20 - 7/ The New England Journal of Medicine KWN---------gf MAY--------- :SC T4S---------- W0V`~------- ^ Copyrighl, 1971. by the Massachusetts Medical Society Volume 285DECEMBER 2, 1971_________________________________ .

ASBESTOS BIOEFFEGTS RESEARCH FOR INDUSTRY Medical Series, Bulletin No. 11 4400 Fifth Avenue Pittsburgh.

J ' I K U U J H U U t British Journal of Industrial Medicine, 1976, 33, 115-122 Thirty-two cases of mesotheli ima in Victoria, Australia: a re* survey related to occupational asbestos :posure RECEIVED NOV 81976 K.