National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation*

Agent Name MAGNESIUM ALUMINUM SILICATE
CAS # 1327-43-1
RTECS #
Agent Code 83046

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 963  
057 MECHANICAL ENGINEERS 463  
084 PHYSICIANS 49 33
095 REGISTERED NURSES 5,847 5,527
096 PHARMACISTS 1,481 987
103 PHYSICAL THERAPISTS 239 230
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 503  
216 ENGINEERING TECHNICIANS, N.E.C. 387 42
217 DRAFTING OCCUPATIONS 1,861 13
225 SCIENCE TECHNICIANS, N.E.C. 356 44
235 TECHNICIANS, N.E.C. 94  
303 SUPERVISORS, GENERAL OFFICE 836 717
363 PRODUCTION COORDINATORS 222 133
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 273  
365 STOCK AND INVENTORY CLERKS 371 232
436 COOKS, EXCEPT SHORT ORDER 169 28
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 3,471  
446 HEALTH AIDES, EXCEPT NURSING 427 176
449 MAIDS AND HOUSEMEN 2,328 1,468
453 JANITORS AND CLEANERS 16,937 3,949
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 4,068  
508 AIRCRAFT ENGINE MECHANICS 6,727 57
516 HEAVY EQUIPMENT MECHANICS 1,040  
518 INDUSTRIAL MACHINERY REPAIRERS 4,287  
519 MACHINERY MAINTENANCE OCCUPATIONS 14  
529 TELEPHONE INSTALLERS AND REPAIRERS 6,749  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,448  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 186  
558 SUPERVISORS, N.E.C. 3,724  
567 CARPENTERS 4,275  
573 DRYWALL INSTALLERS 8,267  
575 ELECTRICIANS 127  
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 933  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,598  
584 PLASTERERS 196  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 2,937  
587 PLUMBER, PIPEFITTER, AND STEAMFITTER APPRENTICES 460  
595 ROOFERS 2,889  
596 SHEETMETAL DUCT INSTALLERS 912  
597 STRUCTURAL METAL WORKERS 258  
599 CONSTRUCTION TRADES, N.E.C. 224 75
633 SUPERVISORS, PRODUCTION OCCUPATIONS 235  
634 TOOL AND DIE MAKERS 987  
635 TOOL AND DIE MAKER APPRENTICES 584  
636 PRECISION ASSEMBLERS, METAL 508  
637 MACHINISTS 4,421  
653 SHEET METAL WORKERS 4,449  
657 CABINET MAKERS AND BENCH CARPENTERS 526  
658 FURNITURE AND WOOD FINISHERS 3,311 1,941
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 44  
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 895 58
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 160  
704 LATHE AND TURNING MACHINE OPERATORS 9  
705 MILLING AND PLANING MACHINE OPERATORS 54  
707 ROLLING MACHINE OPERATORS 1,519  
708 DRILLING AND BORING MACHINE OPERATORS 116  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 1,463 433
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 28  
719 MOLDING AND CASTING MACHINE OPERATORS 1,662 232
728 SHAPING AND JOINING MACHINE OPERATORS 12  
735 PHOTOENGRAVERS AND LITHOGRAPHERS 385 36
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 42 21
753 CEMENTING AND GLUING MACHINE OPERATORS 70 31
754 PACKAGING AND FILLING MACHINE OPERATORS 712 339
756 MIXING AND BLENDING MACHINE OPERATORS 3,204 1,778
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 5,398 28
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 78  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 4,834 29
768 CRUSHING AND GRINDING MACHINE OPERATORS 259  
769 SLICING AND CUTTING MACHINE OPERATORS 775  
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 41  
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,623 238
779 MACHINE OPERATORS, NOT SPECIFIED 18,361 4,958
783 WELDERS AND CUTTERS 7,022 47
785 ASSEMBLERS 4,761 351
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 184  
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 12  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 333 3
804 TRUCK DRIVERS, HEAVY 737  
869 CONSTRUCTION LABORERS 2,097  
873 PRODUCTION HELPERS 77  
878 MACHINE FEEDERS AND OFFBEARERS 25  
888 HAND PACKERS AND PACKAGERS 224 81
889 LABORERS, EXCEPT CONSTRUCTION 2,127 25
TOTAL 162,965 24,342

*(1) The estimates for each occupation apply across the surveyed industries in which the agent was observed. Not all industries were surveyed, and not all agents were observed in all surveyed industries. (2) When using the estimates, standard errors associated with estimates should be considered. (3) Potential exposures to a chemical agent are categorized as actual (i.e., the surveyor observed the use of the specific agent) or tradename (i.e., the surveyor observed the use of a tradename product known to contain the specific agent). The estimates presented in the table combine both categories.

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