THE BULLETIN OF THE AMERICAN CERAMIC SOCIETY Volume 19 OCTOBER, 1940 Number 10 PLAINTIFF'S S EXHIBIT 1 cnaqa.

c Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL - * decisions and trends APRIL, 1952 (Vol. 16, No. 4) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH 13, PA.

mum i* Bwato.\ i Bo*4*ia footer Ccop*17 bu tpaoUUoed is oooting* al *dtelro ter Xbe Industrial Insulation Ivhutz?

196** N a tio n a l S a fe ty C ouncil ACCIDENT PREVENTION MAN UAL | for Industrial Operations i ii EDITION f : PLEASE DO f-.'

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Ct:: Harris Clark George Karr, SaXoty Engineer 2 -`-'j /ft S ^. .

T BERLIN PLANT employee examination: L.

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CLAIMED PRIVILEGED BY OCF SEQUENCE OF THE ACGIH TLV FOR ASBESTOS Year 1946 - 1961 1962 - 1967 1968 - 1969 1970 1971 Listing MINERAL DUSTS Asbestos - 5 mppcf MINERAL OUSTS Silicates (less than 11 crystalline silica) Asbestos - b mppcf MINERAL DUSTS SIlicates~Tless than 11 crystalline silica) **Asbestos - 5 mppcf **NOTICE OF INTENDED CHANGES Asbestos - 12 fibers/ml > 5 jj in length,J) or 2 mppcf1^ J) As determined by the membrane filter method at 430X phase contrast magnification.

cr.V.cr Card: J0PJ3CTI2HS AiO/O-l OFSBAZICX *PLAINTIFF | CEXAHniIDBITI I 0BM- 00 J sjr-^ry 5. iyoo Zip Cod* - 167-3 Telephone -- 642-2552 9 wocen - omoe K'GH'.v Cl ro tC'-- *rr--> Baker is Persomel.

c> ' (l I i MINUTES * of th TECHNICAL fc RESEARCH COMMITTEE MEETING NATIONAL INSULATION MANUFACTURERS ASSOCIATION New York, N.

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