LEAD INDUSTRIES ASSOCIATION 420 Lexington Avenue New York 17, N.

June 21, 1971 Mr.

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r e p r o d u c e d at t h e national a r c h iv e s * : 'r W i- . r W W t :v SHF \v M - 7- __ _ % '4 ^ % ''ftm w 'M , WHEN YOU HAVE FINISHED READING THIS POST IT ON YOUR BULLETIN BOARD In d u s t r ia l H y g ie n e B u l l e t in PUBLISHED BY THE NEW YORK STATE DEPARTMENT OF LABOR 124-E.-28th ST., NEW YORK CITY BERNARD L.

February 1 4 , 1951 D r.

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October 4, 1968 Isabel H.

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May 7, 1971 Mr.

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