The le a d co n t e n t o f sp in a l fl u i d i s alw ays q u it e low u n der even th e m ost extrem e c o n d it io n s o f e xp o su r e , and i t h as n ot been e st a b lish e d ad e q u at e ly t h a t th e c o n c e n t r a t io n o f l e a d in t h e sp in a l f l u i d sh ows an y r e l a t i o n sh i p to th e lead con ten t o f the b r ain or the oth er t issu e s.

in th e lead a b so rp tio n and e x c r e t i o n o f the men employed i n ' t h i s p a r t i c u l a r , building; as compared w ith th ose b u ild in g s in which booths were s t i l l i n s t a l l e d .

In the combined experience of six of the leading companies issuing Group insurance in the United States and Canada from 1927-1932, the mortality from all forms of cancer among all Insured workers in the mineral oil industry regardless of the exact occupation, was 36 per 100,000 years of life exposed as against 62 per 100,000 among all of the general occupation group In which those in the oil industry have been classed.

., Lead, S.

the gear 44, which is suitably adjusted to-receiv.e The apparatus shown In Figure 1 comprises a these particles and streams them out due to its settling tank I having a restricted Inlet passage 30 high speed of rotation, sending them into the 2,; a floor formed-by a, foraminous conveyor belt high velocity air passing through restricted pas 3 and an outlet 4 under the floor, leading Into sageway 2, where they are dissipated into-fibres the inlet 5 of-a large -blower-6,f operated by an and cooled as they pass into the settling tank electric motor 7 and having an exhaust Con* and float down to the floor.

ff Ur THE BULLETIN OF THE AMERICAN CERAMIC SOCIETY j Volume 19 Contents for December, 1940 Number 1 2 PLAINTIFF'S EXHIBIT PAPERS fORlEg Characteristics of a Virginia Kyanite--J.

I NO I ANA GENERAL LEDGER TRIAL BALANCE - JUKE 30t h . [9*2 Pe t t y Ca s h Fir s t Na t io n a l Ba n k in Ea s t Ch ic a g o Fir s t Na t io n a l Ba n k in Ea s t Ch ic ag o - Emp l o y e e s ' Oe f e w e Bo n o Ac c o u n t Cu s t o me r s ' Le o c e r - Zin c Ox id e De pa r t me n t Cu s t o me r s ' Le d g e r - Wh it e Le a o Oe p a n t me n t Re s e r v e f o r Oo u s t f u l No t e s a n o Ac c o u n t * Fr e ig h t o n Ag e n c y St o c k s - Zin c Ox io e De p a r t me n t Fr e ig h t o n Ag e n c y St o c k s - Wh it e Le ao De pa r t me n t Ma t e r ia l a n o Su p p l ie s Dr u ms Re t u r n a b l e Mil k Ac c o u n t Co n s t r u c t io n Dis ma n t l e me n t Ac c o u n t Fu r n it u r e a n o Fix t u r e s Re s er v e f o r De p r e c ia t io n Fu r n it u r e a d o Fix t u r e s Re s er v e f o r De p r e c ia t io n Zin c Ox io e De p a n t me n t Re s er v e f o r De p r e c ia t io n Wh it e Le a o De pa n t men t In s u r a n c e Ta x es - Ac c r u e d o r Pr e p a io Un in s c r ib e d Oe f en s e Bo n o s In v e n t o r ie s - Zin c Ox io e De p a r t me n t In v e n t o r ie s - Wh it e Le a d De p a r t me n t New Yo r k Of f ic e Co mp a n ie s a n d .In d iv id u a l s Emp l o y e e *' Pa y r o l l De d u c t io n s - De f e n s e Bo n o s Pa y r o l l Ac c o u n t St a t e Un e mpl o y me n t In s u r a n c e Ta x - Emp l o y e r * Fe o e r a l Un e mp l o y me n t In s u r a n c e Ta x - Emp l o y er s Re s er v e f o r Lia b il it y a n o Co mp en s a t io n - Le a o Re f in in g De p ar t men t Re s er v e f o r Lia b il it y a n o Co mp en s a t io n Zin c Ox io e De pa n t me n t Re s er v e f o r Lia b il it y a n o Co mp e n s a t io n Wh it e Le a o De p a n t me n t New Yo r k Dr a f t s Sa l e s Ac c o u n t - Zin c Ox io e De pa n t me n t Sa l e s Ac c o u n t - Wh it e Le ad De pa r t me n t ISCOUNT ALLOWED - WHITE LEAD OEPANTMENT Dis c o u n t a l l o w e d - Zin c Ox io e De pa r t men t Cu s t o m Me t a l Pu n c h a s e s Ea s t He l e n a Bu l l io n Fn e ig h t Zin c Pu r c h a s es Zin c Tn a n s f e n s a n d Is s u e s Le a o An o o e Pu n c h a s e s Le a o Tr a n s f er s a n o Is s u e s Op e r a t in g Ex p e n s e - Le a o Re f in in g De p a n t me n t Op e r a t in g Ex p e n s e - Zin c Ox io e De p a n t me n t Op e r a t in g Ex p e n s e ?

Continuous or repeated skin contact with chlorinated biphenyl leads to a condition called "chloracne" which has been reported repeatedly with industrial workers handling products containing chlorinated biphenyls (Matos el at., 1953).

When blended thoroughly the mixt. bums Contamination of air with lead from molten typo relatively slowly.

3S?

Hansen, chairman - sent to members of the LAPI Committee on January 15, 1946, was reviewed and revised to read as follows: "The LAPI Subcommittee on Insecticide Labels met in Philadelphia on January 8, 1946, and selected the following insecticides as being sufficiently important and representative to warrant the preparation of illustrative caution labels: Barium Fluosilicate Bordeaux Mixture Calcium Arsenate Lead Arsenate Magnesium Arsenate Paris Green Sodium Fluosilicate Zinc Arsenate Zinc Arsenite "It is the opinion of the Subcommittee, and therefore recommended, that each of these products be labeled as follows in addition to (1) the name of the product; (2) the word "POISON" with skull and crossbones; and (3) an appropriate antidote: r L-132 Avoid breathing dust or spray mist.

The Dow Chemical Company * MIDLAND, MICHIGAN Annual Report FOR YEAR ENDED MAY 31, 1940 THE DOW CHEMICAL COMPANY MIDLAND, MICHIGAN E. 0.

POWER BUYERS' OUIOC MID-YEAR. 1948 FUEL ECONOMIZERS BY GREEN Vertical and horizontal types In all sizes ior economizer pressures up to 450 lbs.

Dlrlaton Lead Co. 636 W Klaale Rl.

I t i s im portant th a t the p o s s ib ility o f exposure under normal oandi t io n s be h e ld a t a minimum so t h a t o c c a s io n a l exposure to h ig h c o n c e n tra tio n s o f lead w ill not have a serious physiological e ffe c t.