Document 7RnKmEqdMEVox7qdDykOLYGj6

AFFIDAVIT CITY OF PITTSBURGH STATE OF PENNSYLVANIA ) ) ss ) BEFORE ME, a Notary Public in and for the State of Pennsylvania personally appeared who stated under due oath of law as follows: _, am a librarian for the Carnegie [library in Pittsburgh, Pennsylvania. The Carnegie Library contains original volumes of the publications and proceedings of the Air Hygiene Foundation of America, Inc., the Industrial Hygiene Foundation of America, Inc., and the Industrial Health Foundation, Inc. Attached hereto are ^ pages which are true and correct copies of the publications and proceedings of -2^>yA . The attached pages are A&y __________________. These documents are in such condition as to raise no suspicion concerning their authenticity; these documents are presently in AFFIDAVIT - PAGE 1 OF 2 LEGALWF7K - November 9, 1992 the archives of the Science and Technology Section of the Carnegie Library, Pittsburgh, Pennsylvania; these documents have been in existence for twenty (20) or more years. E. . Affiant, being first duly sworn, deposes and says: That the foregoing statements are true. of November, 1992. My Commission Expires: NOTARY PUBLIC H. I i AFFIDAVIT - PAGE 2 OF 2 LEGALWF714 November 9, 1992 Part IV of PROCEEDINGS TENTH ANNUAL MEETING OP INDUSTRIAL HYGIENE FOUNDATION OF AMERICA, IN NOVEMBER 14-15, 1945 < Q 2 P I c s 5S aSao a*a rSu= O - ^ aS o o fo S j2 = H5 % l a ci ^ ^ d d 2 s = rs a ieje 3 u-- o O o ffi -- > *_> V O . >< w .>rt, f43t? ----^ *^-** .oV3 =: 2S 4- K 6 gj d ft >, " >. II S s - b t e2 51& --5 ' I d& E 5 & *1 o u S is? ft r _ o ~ * S'* s Ud I8 Cfl *" CyO fJ3t e5 5 - -1 k 3 u a S Jl I < Jg f3t ^ 3 f3t s * 3C- nfat. V-rt 3 st.fkAct) 03 M 03 -- O ao a W u ft k 3 jf B t'_ >. 5 g >, , I I >. ft ! I | "3 15 I i- y t. I 1 1. 3 U s 61 6 3 | g S ee . Cdfl "g c IU i 1 < * > 3 - eft 5 5 *5 1 *S e p* s co o Sv O3 d *` ` s S 3d to - i >s. 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