Document 8OBa0myNR2dVEpLw31XYQ6XrB

FILE NAME: International Nickel Corporation (INC) DATE: 1965 DOC#: INC009 DOCUMENT DESCRIPTION: Unpublished Report IN D U S T R IA L H Y G IE N E FO U N D A T IO N O F AM ER IC A , INC. 9 M e l l o n I n s t i t u t e , 4400 F i f t h Av e n u e P it t s b u r g h , Pa . 15213 R eport on INDUSTRIAL. HYGIENE SURVEY OF SELECTED PLANT OPERATIONS for HUNTINGTON ALLOY PRODUCTS DIVISION INTERNATIONAL' NICKEL COMPANY Huntington, West V irginia M a rc h 29 to A pril 2 and A p ril 13, 1965 by M orton Cor-n, P h . D, Ja c o b K atz, M. S. R o b e r t T . P . d e T r e v i l l e , M . D ', Managing D irector AN A S S O C IA T IO N o r IN D U S T R IE S F O B T H E A D V A N C EM EN T O F hEAUMFUL W O R K IN G C O N D IT IO N S 02056 9. IV. T hresh o ld L im it Values of Substances M easu red in this Survey. "T he threshold lim it values re fe r to a ir-b o rn e concentrations of substances and re p re se n t conditions under which it is believed that nearly all w o rk ers may be repeatedly exposed, day after day, without adverse effect. B ecause of wide variation in individual susceptibility exposure of an occasional individual at o r even below the threshold lim it m ay not prev en t d isco m fo rt, aggravation of a p re-existing condition, or occupational illness. "T hreshold lim its should be used as guides in the control of health h a z a rd s and should not be reg ard ed as fine lines betw een safe and dangerous c o n c e n tra tio n s, "# T hreshold values for all substances m easu red in this survey a re p r e s e n t e d in T a b l e 1, E xtracted from the P reface, Threshold L im it Values for 1964. ference of Governmental. Industrial H ygienists, 1014 B roadw ay, Ohio. .American Con C in cin n ati 2, 00206G