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N ovem b er J7 , 1958 D r .
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CI TY 0 JAMES P.
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PARTICULATE LEAD COM POUNDS IN AUTOM OBILE EXHAUST GAS By D.
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ETHYL CORPORATION RESEARCH AND DEVELOPMENT DEPARTMENT RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD FERNDALE 20, DETROIT, MICHIGAN April 3, 1959 Dr.
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O.
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; V`v J .
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ff i Vf / JLenl laifttastries m m m c m ifm m ANDREW FLETCHER,PRESIDENT K.
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C L I N T O N H .
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May 12, 1959 To the Members of the A.S.A.
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o W .
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March 19,1956 Dr.
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-- T I L 1^54^^--, / . !..
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.. 211 Milby St* g o p Y ' OCCUPATIONAL HEALTH LABORATORIES Houston 3# Texas 'r.... y ' : -: ; ' ,, Phone CApitol 7-5708 October 19, 1955 Hr.
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Jun e 3 , 1956 Dr.
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-e0 ^ ' a s s n & ip g|2"5r 201 N ORT H BRA D D O C K A V EN U E PHONE CHURCHILL - 5900 P E T ^ S S T O G B, PJL December 10, 1958 CABLE "M INSAF'* PITTSBURGH John T.
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