106 Heating - Ventilating.

Oiler, gravity lead.................

Ivan Sabourin General Counsel for the Quebec Asbestos Mining Association Conferences with representatives of the Health Departmenotf the city of Montreal the Deputy Minister of Health for the Province of Quebec representatives of the Canadian Cancer Society leading clinicians in the field and many others indicated that considerable data relating to the general population of the Province can be obtained for purposes of comparison with the popu- lation group under study Morbidity data although limited is potentially available from such sources as the hospitals in Montreal and Quebec city and some of the 13 cancer detection centers in the Province Mortality figures also subject to certain limitations are available through the Ministry of Health's Vital Statistics Department headed by Dr.

Lead, S.

' 1938 1944 ' Refinery 21ae Oxide Vhlta Lead 43.4 91.9 31.4 26.1 29.2 22.4 - ooatlaued - PtiYCoooo 9404 *r. 9. *.

Silica cad asbestos detaralaaticas, including dust esunts, accounted for ipproxiaetely 75 percent; about 12 percent rere for datcruinitieus of such netals as cine, lead, sengeaese, nereur7, ehreriua cad miscellaneous setals; 6 percent for acids such as citric, ^droehloric, hydrofluoric, sulfuric, etc.; about 7 percent for solrents such as bensol, toluol, jylol, triehlorethyleae, trinitro toluol, etc.

voslt male* .

They a lso s ta te d t h a t ^ f l H m B B h had been s e n t to a l o c a l d o c to r b y t h e G u lf R e fin in g Company a s k in g th a t n ^ o e checked fo r lead poisoning.

POWER * BUYERS' GUIDE MID-TIAR, 1948 Mloorapollf Uooeywall Hcgautvr Co. *7ftl Kvurtb in X llloot* Mlnntapelk Bonorwell Benlito Ce.

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

Rafter samples are more obtained under the microscope and a OCCURRENCE likely to be representative of the dust exposure, but even these may be mis total silica obtained by fusion, gives a reasonably accurate picture of the Silicosis generally results from op leading due to a difference in settling free silica content.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 .W.

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.

K s| 83 ^1 fOSt ' B c e a 55 MbsO 0 S4O 8 8.SS g5 OtMop j4Qc tBSo Af5ib3 S S> *< to ** s *> SC 0 o SX " SHEET NATIONAL LEAD COMPANY AND ITS WHOLLY 0NED DC#ESTIC SUBSIDIARIES C O M P A R A TIV E C O N S O LID A TE D BALAN C E 2 t-1 M M O OU1 fO ISFgSOn 3 3 8 "-3 s. " o 2.3 9:3 8- :z-*zzs- Is-o^S a 0 9 3* n a O 81 p_s~-og ~o 2s.

Similar data have been found tion on the presence of asbestos disease among insulation workers, where a in the family members of workers dis threefold increase in laryngeal eancer cussed in the lead article of this issue.