Document Rp1bB6mk4dqjZdO7nJKkYw5OB

DEPARTMENT OF HEALTH. EDUCATION. AND WELFARE 4il|Ilatlonal Center For public health service Ng^^urban and Industrial Health it feels l,1014 Ii4bs Ciwuseli 04m October 1C, 1967 Hr. L. 0, Griffith. Jr. VocfcT"Kan0ger Pittsburgh-Corning tort Allegany* Pennsylvania _____ _ / \ ' Dear Hr* Griffith; \ /A survey of the Pittsburgh-Coruing Insulation plant at Port Allegany* Pennsylvania are enclosed. These samples vere collected and counted according to the standard method of the American Conference of Governmental Industrial Hygienists and are comparable to the Threshold Limit Value of 5 million particles per cubic foot .established by that body, Uovever, since these samples vere collected for the epidemiologic' purpose iof defining the average exposure of e group pf workers In a operation rather than for the usual industrial hygiene purpose of locating pod evaluating the heavily exposed individuali-'.tho Results may not be ccn$>ara>ie tt? Industrial Sincerely yours. In closure cc: Dr. Grant Dr. Cralley Pennsylvania Health Dept. . Activities Held Studies Occupational Health Program 1 BB QO0880a"7 / ? A* u' 1 * u C \! Preliminary Report United States Public Health Service Occupational Health Program Oust concentrations as measured by impinger breathing cone (B) and general (G) air sables collected at Pittsburgh-Cornlng, Port Allegany, Pennsylvania on Aprinl 10*14, 1967. r Packing Packer - B 140 ,, 0* 133 5.2 5.1 ***$* IMEDICvr D`=tC10U OCi 13 ;?5i T; t-- v** -- * * * ~BB~0008809_J_ `9