Such is not the case with pure red-lead.

FUEL ELEMENTS ^National Lead .

It needs the timeproven protection of pure red-lead.

Every year loss from corrosion of ship steel runs Just as red-lead is unsurpassed for protecting metal, so white-lead is unequaled for painting all other materials.

able than Dutch Boy red-lead.

sat: The lead line in growing Done, Am.J.

Dutch Boy red-lead is pure red-lead.

Calculated ALAD regression Individual datum points: blood lead concentration o ALAD activity a DUP040002039 Figures 5, A and B Red cell ALAD activity of mixtures of normal and lead-containing bloods versus resultant lead concentration of the mixtures.

In view of the date of this man's discontinuance of work, it is clear- that there was not time for any significant change In the lead content of his tissues and in the rate or his lead excretion.

Jims 7 15S39 Captain E, L Bergquist Station Hosptialj, Air Corps Advanced Plying 'cliool, Kelly field, Texas* Dear Captain Bergquistj I have your letter of June 3rd mid will endeavor `to answer your questions to the best of z t j ability, 1 ETHYL FLUID contains tetraethyl lead and aa organic iialxd (in the avaition fluid tit halid is thyXensdibroisi&* and the propcsrtion of tetraethyl lead to othylss0 -*ait.roaid is that theoretically required for complete Gosbinatlom to fora lead bromid)* in the ocaabustiaa* it is boliaved that the tetraethyl lead turns to lead oxide and the halids to acid* these tssr then combining to form lead halid*, This material is largely volatil-. ized opt of the cylinder itssif and is partially deposited in the exhaust system and partially 'blows ant with the exhaust gases - 2 There is no evident?

Lead Studies XI.

Dutch,Boy white-lead in your Lead and Oil Plastic Paint Is it a flat or an eggshell gloss?

Flr&t, the lead is not absorbed by the apple to any very large extent.

This is equivalent to about J6 mgm. of lead for every 10 cu.m* {cubic meters) of effluent.

Water Jbr such purposes should not normally contain more than u.o2 or o.uj milligram lead per- liter, and it cannot be regarded as safe for use if the lead content is in excess of ^.l milligram lead per liter.