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-V THE ASSOCIATED ETHYL COMPANY LIMITED LlZey.Officet-ni?.

E 1 DU PONT DE NEMOURS & COMPANY KREBS PIGMENTS DTPARTMENT 256 VANDERPOOL STREET NEWARK NEW JERSEY Copy No / Period Covered NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Prores ueport HT-443-D bEai-VK>RxCS D&7EL0FMHS'1 SSJ.CI 03 >TR2CT PPOGBOOBL^ 7009 SEPTELBER - OCTOBER 1944 FILE DATE 222 <JL 11-16-44 N37152

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INDUSTRIAL HYGIENE RESEARCH LABORATORY NATIONAL INSTITUTE OF HEALTH 14,Be t h e s d a Ma r y l a n d September 10, 1946 MMORANIDM To: The Director, National Institute of Health In accordance with your request, I am attaching a^ list of research problems under way at this time in the Industrial Hygiene Research Laboratory.

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New York, N.Y EXECUTIVE COMMITTEE MEETING April 2, 1948 A meeting of the Executive Committee of the Lead Industries As sociation was held on Friday, April 2, 1949, at 4:00 P.M. in the office of the Association, New York City.

NEW CASTLE REFRACTORIES CO.

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Confidential Mellon* Institute of Industrial Research UNIVERSITY OF PITTSBURGH PROGRESS REPORT for the week ended March 23, 1946 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-12 3 copies made: 1 - Mellon Institute 2 - Industrial Hygiene files Several samples of dust from Bird and Son, Inc., were separated into size fractions by sedimentation.