National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name SODIUM METASILICATE
CAS # 6834-92-0
RTECS # VV9275000
Agent Code 80079

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 2,427 485
019 MANAGERS AND ADMINISTRATORS, N.E.C. 764 87
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 2,902 1,631
033 PURCHASING AGENTS AND BUYERS, N.E.C. 251 174
048 CHEMICAL ENGINEERS 3  
053 CIVIL ENGINEERS 1,976 88
057 MECHANICAL ENGINEERS 383 14
059 ENGINEERS, N.E.C. 64  
073 CHEMISTS, EXCEPT BIOCHEMISTS 1,841 362
078 BIOLOGICAL AND LIFE SCIENTISTS 75 56
083 MEDICAL SCIENTISTS 237 199
084 PHYSICIANS 520 460
095 REGISTERED NURSES 18,115 14,611
098 INHALATION THERAPISTS 3,127 2,146
099 OCCUPATIONAL THERAPISTS 31 31
103 PHYSICAL THERAPISTS 955 771
104 SPEECH THERAPISTS 17 17
105 THERAPISTS, N.E.C. 253 101
185 DESIGNERS 730 3
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 1,393 897
189 PHOTOGRAPHERS 828  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 4,363 3,222
206 RADIOLOGIC TECHNICIANS 1,807 995
207 LICENSED PRACTICAL NURSES 1,597 1,597
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 1,952 1,472
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 1,994 612
215 MECHANICAL ENGINEERING TECHNICIANS 741 69
216 ENGINEERING TECHNICIANS, N.E.C. 1,754 1,045
223 BIOLOGICAL TECHNICIANS 1,282 1,282
224 CHEMICAL TECHNICIANS 188 40
225 SCIENCE TECHNICIANS, N.E.C. 112 28
235 TECHNICIANS, N.E.C. 6,903 1,817
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 307  
274 SALES WORKERS, OTHER COMMODITIES 299 299
335 FILE CLERKS 192  
336 RECORDS CLERKS 83 83
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 38  
363 PRODUCTION COORDINATORS 4,468  
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 958 233
365 STOCK AND INVENTORY CLERKS 3,361 1,477
368 WEIGHERS, MEASURERS, AND CHECKERS 33  
379 GENERAL OFFICE CLERKS 69  
385 DATA-ENTRY KEYERS 568 568
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 179 109
433 SUPERVISORS, FOOD PREPARATION AND SERVICE OCCUPATIONS 20 20
436 COOKS, EXCEPT SHORT ORDER 678 352
439 KITCHEN WORKERS, FOOD PREPARATION 1,418 1,418
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 10,380 7,965
446 HEALTH AIDES, EXCEPT NURSING 12,864 8,755
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 1,857 1,725
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 969 433
449 MAIDS AND HOUSEMEN 47,093 30,867
453 JANITORS AND CLEANERS 248,303 77,016
458 HAIRDRESSERS AND COSMETOLOGISTS 26,413 20,474
459 ATTENDANTS, AMUSEMENT AND RECREATION FACILITIES 61  
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 863 113
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 10  
487 ANIMAL CARETAKERS, EXCEPT FARM 1,856 1,100
503 SUPERVISORS, MECHANICS AND REPAIRERS 210  
505 AUTOMOBILE MECHANICS 29,083 288
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 27,021  
508 AIRCRAFT ENGINE MECHANICS 11,359 300
514 AUTOMOBILE BODY AND RELATED REPAIRERS 2,470  
515 AIRCRAFT MECHANICS, EXC. ENGINE 338 9
516 HEAVY EQUIPMENT MECHANICS 8,852  
517 FARM EQUIPMENT MECHANICS 16  
518 INDUSTRIAL MACHINERY REPAIRERS 7,936 1,059
519 MACHINERY MAINTENANCE OCCUPATIONS 480 3
529 TELEPHONE INSTALLERS AND REPAIRERS 542  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 64  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 537  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 16  
538 OFFICE MACHINE REPAIRERS 3,670  
543 ELEVATOR INSTALLERS AND REPAIRERS 149  
544 MILLWRIGHTS 627  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 3,741  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 18,507 306
563 BRICKMASONS AND STONEMASONS 95  
567 CARPENTERS 113  
575 ELECTRICIANS 2,199  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 382 297
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 9,028  
588 CONCRETE AND TERRAZZO FINISHERS 475  
597 STRUCTURAL METAL WORKERS 258  
617 MINING OCCUPATIONS, N.E.C. 6,111  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 5,621 380
634 TOOL AND DIE MAKERS 3,282  
637 MACHINISTS 34,908 353
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 10  
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 222 148
653 SHEET METAL WORKERS 116  
667 TAILORS 434  
668 UPHOLSTERERS 1,280  
677 OPTICAL GOODS WORKERS 156 109
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 977 11
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 5,417 597
686 BUTCHERS AND MEAT CUTTERS 2,813 1,196
687 BAKERS 1,356  
688 FOOD BATCHMAKERS 127 63
689 INSPECTORS, TESTERS, AND GRADERS 446 81
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 38  
695 POWER PLANT OPERATORS 618  
696 STATIONARY ENGINEERS 1,448 645
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 135 3
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 541  
704 LATHE AND TURNING MACHINE OPERATORS 3,149 322
705 MILLING AND PLANING MACHINE OPERATORS 987  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 10,158 6,854
707 ROLLING MACHINE OPERATORS 957 658
708 DRILLING AND BORING MACHINE OPERATORS 683 257
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 4,833 475
713 FORGING MACHINE OPERATORS 338  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 116 10
717 FABRICATING MACHINE OPERATORS, N.E.C. 1,452 772
719 MOLDING AND CASTING MACHINE OPERATORS 4,103 279
723 METAL PLATING MACHINE OPERATORS 23,432 2,516
724 HEAT TREATING EQUIPMENT OPERATORS 3,478 63
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 888 504
734 PRINTING MACHINE OPERATORS 34,521 3,687
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,587 132
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 568 284
739 KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS 5,175 1,964
747 PRESSING MACHINE OPERATORS 888 669
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 36,270 19,356
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,318 630
753 CEMENTING AND GLUING MACHINE OPERATORS 2,060 530
754 PACKAGING AND FILLING MACHINE OPERATORS 5,813 2,589
755 EXTRUDING AND FORMING MACHINE OPERATORS 2,434 708
756 MIXING AND BLENDING MACHINE OPERATORS 3,455 168
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 317  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 670 77
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 4,729 477
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 743 269
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 2,088 45
768 CRUSHING AND GRINDING MACHINE OPERATORS 67 67
769 SLICING AND CUTTING MACHINE OPERATORS 1,631 168
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 824 68
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 21,415 5,875
779 MACHINE OPERATORS, NOT SPECIFIED 43,658 12,438
783 WELDERS AND CUTTERS 6,044 25
784 SOLDERERS AND BRAZERS 275 20
785 ASSEMBLERS 24,831 4,643
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 77  
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 526 33
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 295  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 14,118 5,361
797 PRODUCTION TESTERS 1,118 233
799 GRADERS AND SORTERS, EXCEPT AGRICULTURAL 536 536
804 TRUCK DRIVERS, HEAVY 3,618  
806 DRIVER-SALES WORKERS 1,110  
844 OPERATING ENGINEERS 3,484  
848 HOIST AND WINCH OPERATORS 214  
849 CRANE AND TOWER OPERATORS 153  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 2,868 79
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 1,342 120
869 CONSTRUCTION LABORERS 15,114 1,028
873 PRODUCTION HELPERS 3,242 104
875 GARBAGE COLLECTORS 781 78
878 MACHINE FEEDERS AND OFFBEARERS 1,644 1,610
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 2,035 98
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 8,621 293
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 15,814 1,405
888 HAND PACKERS AND PACKAGERS 3,144 2,215
889 LABORERS, EXCEPT CONSTRUCTION 17,729 1,988
TOTAL 971,688 275,947

*(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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