National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name MN, MANGANESE-MF UNKNOWN
CAS # 7439-96-5
RTECS # OO9275000
Agent Code 44000

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
013 MANAGERS, MARKETING, ADVERTISING, AND PUBLIC RELATIONS 60  
019 MANAGERS AND ADMINISTRATORS, N.E.C. 1,316  
045 METALLURGICAL AND MATERIALS ENGINEERS 64  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 5  
057 MECHANICAL ENGINEERS 128  
073 CHEMISTS, EXCEPT BIOCHEMISTS 121 8
084 PHYSICIANS 201 176
096 PHARMACISTS 556 355
216 ENGINEERING TECHNICIANS, N.E.C. 824 474
217 DRAFTING OCCUPATIONS 1,105  
223 BIOLOGICAL TECHNICIANS 53  
224 CHEMICAL TECHNICIANS 173 39
235 TECHNICIANS, N.E.C. 100  
269 SALES WORKERS, PARTS 132  
313 SECRETARIES 268 268
335 FILE CLERKS 82  
363 PRODUCTION COORDINATORS 8  
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 772  
365 STOCK AND INVENTORY CLERKS 1,626 16
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 13  
379 GENERAL OFFICE CLERKS 362  
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 1,462  
446 HEALTH AIDES, EXCEPT NURSING 90 36
449 MAIDS AND HOUSEMEN 55  
453 JANITORS AND CLEANERS 85,593 1,616
503 SUPERVISORS, MECHANICS AND REPAIRERS 785  
505 AUTOMOBILE MECHANICS 27,064 2,375
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 14,603  
508 AIRCRAFT ENGINE MECHANICS 6,767 66
514 AUTOMOBILE BODY AND RELATED REPAIRERS 9,585  
515 AIRCRAFT MECHANICS, EXC. ENGINE 251  
516 HEAVY EQUIPMENT MECHANICS 11,084  
517 FARM EQUIPMENT MECHANICS 34  
518 INDUSTRIAL MACHINERY REPAIRERS 4,217 46
519 MACHINERY MAINTENANCE OCCUPATIONS 133  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 431  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,644  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 1,300  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 3,476  
538 OFFICE MACHINE REPAIRERS 362  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 37  
544 MILLWRIGHTS 11,896 87
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 12,252  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 26,575 24
558 SUPERVISORS, N.E.C. 2,355  
563 BRICKMASONS AND STONEMASONS 604  
567 CARPENTERS 6,726  
575 ELECTRICIANS 3,639  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,547  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 43,541 196
587 PLUMBER, PIPEFITTER, AND STEAMFITTER APPRENTICES 460  
588 CONCRETE AND TERRAZZO FINISHERS 1,939  
593 INSULATION WORKERS 5,892  
595 ROOFERS 80  
596 SHEETMETAL DUCT INSTALLERS 3,424 7
597 STRUCTURAL METAL WORKERS 10,451 171
599 CONSTRUCTION TRADES, N.E.C. 4,166  
614 DRILLERS, OIL WELL 493  
615 EXPLOSIVES WORKERS 306  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 6,277  
634 TOOL AND DIE MAKERS 6,003 13
636 PRECISION ASSEMBLERS, METAL 16  
637 MACHINISTS 25,299 672
643 BOILERMAKERS 6,538 6
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 73  
646 LAY-OUT WORKERS 1,999 22
653 SHEET METAL WORKERS 22,968 178
655 MISCELLANEOUS PRECISION METAL WORKERS 364  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 16  
677 OPTICAL GOODS WORKERS 826 426
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 3,995  
689 INSPECTORS, TESTERS, AND GRADERS 13  
695 POWER PLANT OPERATORS 165 28
696 STATIONARY ENGINEERS 823 645
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 256  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 379  
704 LATHE AND TURNING MACHINE OPERATORS 1,356  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 2,422 103
707 ROLLING MACHINE OPERATORS 5,006  
708 DRILLING AND BORING MACHINE OPERATORS 14  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 2,481 97
713 FORGING MACHINE OPERATORS 581  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 113  
717 FABRICATING MACHINE OPERATORS, N.E.C. 385 57
719 MOLDING AND CASTING MACHINE OPERATORS 1,446  
723 METAL PLATING MACHINE OPERATORS 1,509 108
724 HEAT TREATING EQUIPMENT OPERATORS 2,670  
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 2,829 21
727 SAWING MACHINE OPERATORS 3  
754 PACKAGING AND FILLING MACHINE OPERATORS 366 115
755 EXTRUDING AND FORMING MACHINE OPERATORS 3,312  
756 MIXING AND BLENDING MACHINE OPERATORS 471  
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 3,935  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 352  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 6,414 14
763 ROASTING AND BAKING MACHINE OPERATORS, FOOD 117  
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 89  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 7,520  
768 CRUSHING AND GRINDING MACHINE OPERATORS 2,297 120
769 SLICING AND CUTTING MACHINE OPERATORS 5,560 241
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 12,736 504
779 MACHINE OPERATORS, NOT SPECIFIED 18,498 2,017
783 WELDERS AND CUTTERS 211,833 2,438
784 SOLDERERS AND BRAZERS 8  
785 ASSEMBLERS 33,115 1,899
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 513  
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 475  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 1,810 37
797 PRODUCTION TESTERS 21  
798 PRODUCTION SAMPLERS AND WEIGHERS 136  
804 TRUCK DRIVERS, HEAVY 611  
844 OPERATING ENGINEERS 3,628  
849 CRANE AND TOWER OPERATORS 1,390  
853 EXCAVATING AND LOADING MACHINE OPERATORS 1,553  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 1,411  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 1,392 77
865 HELPERS, CONSTRUCTION TRADES 288  
869 CONSTRUCTION LABORERS 9,995 5
873 PRODUCTION HELPERS 923  
877 STOCK HANDLERS AND BAGGERS 77  
878 MACHINE FEEDERS AND OFFBEARERS 58  
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 275  
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 3,054  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 916  
889 LABORERS, EXCEPT CONSTRUCTION 11,142 108
TOTAL 756,403 15,912

*(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.

NIOSH Home | NIOSH Search | Site Index | Contact Us | NOES Home