Document jybBOr7VVQqR8d6zb7kwwMKaO

INDUSTRIAL HYGIENE FOUNDATION OF AMERICA, IN 4-400 Fifth Avenue Pittsburgh. Pa.(13) April 18, 1944. Ur. 0. EL Cllley, Asst. Gen. Mgr., V. Si Asbestos Division Eaybestos Manhattan, Inc., Marihatm, Pa. Dear Ur. Ciller: Enclosed 'is the report giving the results of the Foundation1 s recent studies at your Uanheim operations -which are a part of your con tinuing dust control program. Additional copies of the report are provided for your associates. The statement covering the work is enclosed. Please note that the Foundation arranged for examination of dust samples by the electron microscope. This, because of circumstances involved, was somewhat time-taking. After the report has been examined we anticipate that you or your associates may have some questions. If so we invite you to <x>rrespond with Hr. W.Cjl. Hsmeon direct. After the recommendations have been carried forward we will expect to continue the study and we will appreciate your advices when the time is opportune. We are enclosing a copy of the Foundation's bulletin on Measure ment of Air Flow in Industrial Yentilation which Mr. Beaeon promised to Mr. Joyce. The excellent assistance and cooperation which was given Ur.Season was of great assistance in the conduct of this work. Yexy truly yours. XRl:D John F. McMahon Managing Director INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. ( 4400 FIFTH AVENUE '( PITTSBURGH. PA. (. c REPORT OF INDUSTRIAL HYGIENE SURVEY MADE FOR Unload S-tatea Asbestoa Division. of Eayb0StosrManiiatrta2i..Icc. ______________Manheia, Pennsylvania_____________ March 14,15,16 and 17, 1944 ~UJ- C A*x-- FIELD WORK BY_________ Ventilation Zngineej LABORATORY WORK BY. 'iuD*.___ Industrial Hygienist .( April 18, 1944 Industrial Hygiene Foundation of America. Inc. MANAGING DIRECTOR