Document 93VZ8VZbM7aLJ1w6gRd6boabp

FILE NAME: ALCOA (ALC) DATE: 1983 Sept 20 DOC#: ALC023 DOCUMENT DESCRIPTION: Memo - Jobs at risk for Asbestos Exposure i FROM E. BROOKS PARKER ROCKDALE V(ORKS T0 W. T. WASHAM, M. D. ROCKDALE WORKS CONFIDENTIAL 1983 September 20 RE: MEDICAL SURVEILLANCE FOR ASBESTOS EXPOSED WORKERS As you requested, I have listed the job classifications of employees whose jobs have had the potential for asbestos exposure above the action level of 0.1 fibers/cc 12 or more 8 hour shifts per year. Plant and departmental records should be reviewed to determine the names of people who hold or held those positions or who John-Doed into those jobs. Mechanical Maintenance Fabricating molten metal Marinite shapes prior To 1975 March 01. Machinists Layout persons Carpenters Lining troughs with asbestos shorts--lumnite cement refractory (prior to 1973-06-01) Brickmasons Craft Helpers Lining furnaces with J. M. Superex insulation prior to 1973-06-01 Brickmasons Craft Helpers Removing vessel and pipe insulation (including Baker Perkins Mixers) Pipefitters Mechanical Millwrights Vehicle brake shoe repair Garage mechanics Electrical Maintenance Crane brake shoe repair Crane Millwrights rs V a - ] ARD 003000 w. T. WAS HAM, M. D 19S5 September 20 Page 2 Ingot Plant Making trough joints and patching damaged troughs with asbestos shorts prior to 1973-06-01 DC Operators Caster-Pourer Helpers Caster-Pourers Potlining Installing Superex insulation in potshells prior to 1973-06-01 Potliners Dumping and cleaning potshells in Bldg- 27 prior to 1977-06-01 Potliners Cleaning out stalls in TS1 potlines after potshell has been removed - prior to 1983-01-01 Potliners . CKUUKS BARKER EBP/mz cc: G. H. A. G. J. T. J. W. W. T. T. J. B. J. Lantz Clayton Hill Havins Eckert Randall Turner ARD 003001