On the other hand, only one sample contains more than one milligram of lead, a fact which indicates, tentatively at least, that the exposure to lead dusts to this group of men has been slight to moderate in magnitude.

-AV ' Gasoline used: Should be recorded as leaded or not leaded .

Thanks very much for sending me the description of the method of analysis for lead employed in Dr.

However, l am afraid that I cannot get very enthusiastic about stippled cell counts in relation either to impending lead intoxication or to the level of lead absorption of your group.

White-lead is insoluble in water and remains so.

Ire there many cases of lead poisoning of those persons ?

LEAD .

Four principal conclusions may be drawn from .this study* The first is that while it is possible for seme men to work in the booth for months without developing lead poisoning, it does not seem possible to so work without absorbing significant amounts 'Of lead* The second is that men, with routine protection, may develop acute lead poisoning in as short a.period as two months.

Knd are indicative of the existence of definitely hazardous lead exposure.

-UiCiWXlX Airline Iboe Dquipraoni Lead-in-Air 'rests :'cw York Tow 'Tori*.

The scorings made during the periods when O* Lead Arsenate was being made were apparently satisfactory.

On these borings are deposited micron sized particles of lead which are dispersed through the air when the borings are disturbed.

D423 N19647 I NATIONAL LEAD COMPANY, ST.

The failure to use this step is likely to yield high results which are not due to lead at all.

GLD33294 N 3212 MOUND CITY S&oe ^>%cutd LEAD ZINC .