itremely duriBlelan^ long-lived, ,The national Lead Co.. visa sells "United Tubond" chemical lead lined pipe, "United"' 1 lead lined fittings and "United' lead lined ' valve*, fan handling- dilute sulphvricr sulphur- one and other acids, mine and salt water, etc.. .

Princi Lead Analyses URINE Analysis Number Volume Specific Gravity Mg.

Princi Lead Analyses URINE Analysis Number Volume Specific Gravity Mg.

| .80 Lead Refining Department, East Chicago, Ind. 80 21d q Oxide Department,.

C., PHONE 523-1230 :;vGOT LEAD August 18, 1964 The Kettering Laboratory College of Medicine Eden Avenue Cincinnati 19, Ohio Attn: Dr.

JHS:dc K* 0014706 LEAD IN D U STRIES ASSOCIATION 420 LEXINGTON AVENUE NEW YORK 17, N.

Adams May 22, 1940 ALLIED RESEARCH LABORATORIES CHICAGO, ILLINOIS 0007-SWP-000006707 'Acicular Basic Lead Sulphate Behavior in White Paints ~ ' general Statement ^ Same years ago the National Lead Company developed an acicular type of Basic Lead Sulphate v according to report by a precipitation process.

Adams May 22, 1940 ALLIED RESEARCH LABORATORIES CHICAGO, ILLINOIS 0007-SWP-000006707 'Acicular Basic Lead Sulphate Behavior in White Paints ~ ' general Statement ^ Same years ago the National Lead Company developed an acicular type of Basic Lead Sulphate v according to report by a precipitation process.

.' * LEAD INDUSTRIES ASSOCIATION 4M CKXiHOTOM AVCNWK NOT TOOT IT.

t Tah tim Correlation coefficients 'Garage Mechanics length of service and lead in faeces, mgs.per grm.ash Length of service and lead in urine, mgrs. per liter Length of exposure to ethyl gasoline and lead in faeces mgrs. per grm* ash Length of exposure to ethyl gasoline and lead in urine mgrms. per liter +.017 +f056 +.023 +.055 +.223 +.099 4^*243 +.099 There is no significant correlation.

This loss is substantially constant* This method is* therefore* quite serviceable in dealing with quantities of lead above 0*2 mgs* per sample.

'-V CARTER ALL-PURPO Soft Paste1 \P-hite-Lead Carter White-Lead''4^ the new all-pu: even to Colors and Drier!

Vaint with LEAD DUTCH BOY WEIITE-LEAD \ 28136- Min. x 2 cols. (4 in.)

Paint with LEAD ...

Gleason 2 June 10, 1960 of large numbers of normal Individuals ((persons with no occupational exposure to lead) and with corresponding numbers of persons employed by groups in lead-using and lead-handling operations.