T ) 1 4 in. braaa ferrule 1 10 in. x 10 in. lead bend 40 lb. calking lead 7 lb. calking lead 0 4 in.iy-Oeal Caaketa 1 can Ty-Seal Compound 5 lb.

The red lead does not stain.

(d) The percent of lead is determined as lead metal (Pb) based on the total solids of the paint.

T ) 1 4 in. braaa ferrule 1 10 in. x 10 in. lead bend 40 lb. calking lead 7 lb. calking lead 0 4 in.iy-Oeal Caaketa 1 can Ty-Seal Compound 5 lb.

So long as the lead concentration in the `4,; gasoline is kept within proper limits, thert will be no important^ danger,.b|Vab-'' sorbing lead out of the gasoline through the skin.

Dutch Boy white-lead IA to 4 gals.

It was feared that this property, which could be expected to contribute significantly to the rate and extent of the vaporization of the lead compound out of commercial gasoline, might create an uncontrollable hazard for the handlers and users of leaded gasoline.

-h Standard^ Lead A maximum allowable concentration of 1.6 milligrams of lead per-lO cubic Beteri of air for lead and lte cosipoundt ha* been generally accepted by health authorltie*.

5 <* frees. each men# in chemically loan oatafners prepared 1a the laboratory* `fhea wore returned to the laboratory for analysis* the Blood end on of tbs urine samples were examined for lead by a sensitive and accurate spectrograph!

REVIEW OF LEAD A.

The deposits are largely lead salts rather than gum.

Mareoa A. tOOBTt nBtrscrrao Bagla Plohor Coepjty The Oliddee Company haoed Lead Produote bh Motional Lead Company Vatlonml Lead Conpaay Rational Load Company P.

T here is no such thing as an unduly susceptible person who, suddenly and without any warning signs, develops lead poisoning.

It was feared that this property, which could be expected to contribute significantly to the rate and extent of the vaporization of the lead compound out of commercial gasoline, might create an uncontrollable hazard for the handlers and users of leaded gasoline.

The last column in the table shows the average lead content of all samples collected during eight consecutive hours, expressed in terms of milli grams of lead per 10 cubic meters.