Pancoast and Pgh'dergrass (83) in 1926 examined a group of seventeen asbestos work ers.

Pancoast and Peh- ~ dergrass (83) in 1926 examined a group of seventeen asbestos work ers.

FILE NAME: National Safety Council (NSC) DATE: 1937 Oct DOC#: NSC063 DOCUMENT DESCRIPTION: Transactions of the NSC - 26th National Safety Congress Congress NATIONAL SAFETY COUNCIL, Inc.

FILE NAME Keene KNE DATE 1930 Mar DOC KNE061 DOCUMENT DESCRIPTION Trade Journal Issue - ASBESTOS A rr .gt . & a: Ps ybituy J hy ry ohs aepn:aa fi, 4 z Kaiig- o Pa -~ 3h = is = & <e Peeeg iWigh if 3!

Pancoast and Pen dergrass (8.1) in 1926 examined a group of seventeen asbestos work ers.

*93* TRANSACTIONS National Safety Council Incorporated TWENTIETH ANNUAL SAFETY CONGRESS Chicago October ta to October 16, 1931 The Hotel Stevens Copyright, 1932, National Safety Council, Inc.

A number of the leading maritime magazines and publications have very graciously exteoded their columns for our use and the Committee has availed itself of them ou numerous occasions.

Pancoast and Pen dergrass (83) in 1926 examined a group of seventeen asbestos work ers.

Pancoast and Pen dergrass (83) in 1926 examined a group of seventeen asbestos work ers.

Cooke (16) in 1924 reported a case of pulmonary asbestosis, Pnnconst and Pen dergrass (82) in 1926 examined a group of seventeen asbestos work ers.

Me y Domostic production of lend in 1032 was 28 decrease of I .r,4,403 tons (35 percent) from the 19 most metals, the lack of demand or consumpt conditions was the principal cause of this declin of secondary pig lead--amounting to 128,000 t entirely from old storage batteries--did not decre responsible for the lack of demand for prima amount of second'ary lead recovered in 1932 was 78 percent 1 of the recovery of priimary domestic lead, t The decline in con 900 , Production-/ 800 v> ` *.**,/4.Y1 pri--e -- p 700 /Con"""s"umption.TT7-' g 600 sumption has been so :-|fapia that the pro ducers have been un able to adjust them selves to it, and this, 300 ith the reduction in he market price for gad, has been disns6ps financially to ven the strongest 100 --Sto c1ks * 1926 1927 ------- 1928 1929 ompanies and lias FiounE 3.

I I93I TRANSACTIONS OF THE National Safety Council Incorporated TWENTIETH ANNUAL SAFETY CONGRESS Chicago October 12 to October 16, 1931 * The Hotel Stevens Copyright, 1932, National Safety Council.

i&<B1Pa@Sa 26th National Safety Congress NATIONAL SAFETY COUNCIL, Inc.

i&<B1Pa@Sa 26th National Safety Congress NATIONAL SAFETY COUNCIL, Inc.

Cooke 16 in 1924 reported a case of pulmonary asbestosis Pancoast and Pen- dergrass 83 in 1926 examined a group of seventeen asbestos workers Since then other investigators have reported individual cases of asbestosis but it was not until 1930 that Merewether and Price 74 published the results of a study on a group of asbestos workers together with some evaluation of the degree of exposure Lanza McConnell and Fehnel 66 have recently published a preliminary report of a comprehensive survey on this subject The industry in this State consists mainly of several fabricating plants engaged in the making of asbestos cloth brake lining insulating tape asbestos rope and wick and other miscellaneous prod- ucts According to the 1931 Pennsylvania Industrial Directory 61 there are approximately two thousand persons engaged facture of asbestos products in Pennsylvania The nature of asbestos dust is such that many of in the manuthe standard procedures used for other dusts could not be used Changes in the accepted standard method were required in the collection count- ing and particle size determination of the dust In Part I of this report 41 the method of collection and counting of dust en- countered in this study was described and summarized Samples of dust taken in plants for fabricating asbestos products were collected by a modified form of the standard method using a wv per cent U.