Flat paint made with Dutch Boy White-Lead and Dutch Boy Lead Mixing Oil lias all the durability for which white-lead is famous.

Such concentrations of lead may or may hot be associated with symptoms of intoxication, and are properly to be regarded as an evidence of increased lead absorption but not necessarily of lead Intoxication, The higher the lead concentration, the more probable it is that intoxication i3 actually present.

If I am mistaken in this assumption, I should like to know, since, as you may he aware, we have undertaken to keep a very clou /watch on all situations that lead to hazard in the handling of- tetraethyl lead or leaded: gasoline.

Rider: * The question you have raised concerning contamination of tooth paste vith lead through the use of lead tubes has come up through a number of other avenues.

fhe uses of lead and lead compounds are so many; and varied that we should know much more about the hazards of lead poisoning in different industries and occupations before ven turing to formulate further legislation and regulations for the better protection of lead workers.

That is, it takes very little continuing lead absorption to maintain a high level of lead excretion, In the case of the person who has accumulated rather large quantities.

per ICO ce. of "blood indicate lead -uoieonirg; sono '.

Practically every one stores some lead in his body from the many foods which are contaminated with lead.

13*13 tetra ethyl lead the source of any inorganic lead?

That is why I am less happy when you say (page 5) that a reduction in haemoglobin due to lead is lead poisoning.

Metallic lead or lead compounds which are distributed within the environment of small children are a potential source of hazaxd.

ANEXPERIMENTAL STUDY OP LEAD ABSORPTION The normal Intake and output of lead Lead intake and output under conditions of experimentally induced lead exposure Immediate response to increased intake Relation to industrial lead exposure Eventual response to increased intake Threshold of Intoxication not reached. < AInbtnooxrmicaaltiaobns.orption and excretion without Correspondence of blood and urinary levels to those seen In occupational lead exposure Comparison with results at H.R. plant.

For metal surfaces another lead paint '--Dutch Boy red-lead--provides com plete protection against corrosion.

NATIONAL LEAD COMPANY New York.

Stetavalnatloa f lead aoapaaada prsn.t Result Far Gat Load as Lead Tat r aat iiyl Par Cent L*a<S a t r i o n f i Lead For Cant Lead a D iat byl Lead Sal i d Per Cent Load as LJ> avai rriafc&yl Lead Halid and Carbonat Per C*mt Lead a t aor gaal Lead < 0, 00001 0,0005 0 ,0 0 17 0,00045 0. 225 ftaportad- 5* 24"">MI.- K 00096S1