Document K65bN6Y7G30gLMxm6BMqnXaL6

FILE NAME: ALCOA (ALC) DATE: 1974 Mar 28 DOC#: ALC011 r\ r DOCUMENT DESCRIPTION: Memo \ This copy for Messrs. T. B. Bonney and R. P. Carter RAY OWEN, JR ARKANSAS OPERATIONS MEMORANDUM / RE: REPORTING OF ASBESTOS CONCENTRATICNS TO EXPOSED EMPLOYEES Mr. R. P. Carter of Pittsburgh Industrial Hygiene advised me today that we are not obligated to report asbestos concentra tions of less than 50 fibers per milliliter to exposed employees provided employees exposed in the range of 5 to 50 fibers/ml are fitted with appropriate respiratory protection. (Note: The 3M No. 8710 respirator is appropriate respiratory protection for the 5-50 fibers/ml range.) Ray owfiK, j k . RO: fw cc: J. L. Laudenberg, T. J. Forbes, C. T. Nienaber, L. N. Kynes Dale Mize, R. W. McConnell, Roy Turner Dr. V. H. Barbour C. R. King T. B. Bonney and R. P. Carter, Pittsburgh