National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name LIMESTONE
CAS # 1317-65-3
RTECS # EV9580000
Agent Code M1525

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 390  
045 METALLURGICAL AND MATERIALS ENGINEERS 64  
048 CHEMICAL ENGINEERS 70  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 75  
057 MECHANICAL ENGINEERS 70  
073 CHEMISTS, EXCEPT BIOCHEMISTS 366 14
078 BIOLOGICAL AND LIFE SCIENTISTS 36 12
084 PHYSICIANS 49 33
099 OCCUPATIONAL THERAPISTS 21 21
105 THERAPISTS, N.E.C. 366 366
185 DESIGNERS 2,201 1,467
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 215 29
216 ENGINEERING TECHNICIANS, N.E.C. 2,310 77
223 BIOLOGICAL TECHNICIANS 53  
224 CHEMICAL TECHNICIANS 432  
225 SCIENCE TECHNICIANS, N.E.C. 1,772 551
235 TECHNICIANS, N.E.C. 43 6
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 479 479
275 SALES COUNTER CLERKS 1,059  
363 PRODUCTION COORDINATORS 8  
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 820 96
365 STOCK AND INVENTORY CLERKS 612 427
366 METER READERS 1,495  
368 WEIGHERS, MEASURERS, AND CHECKERS 62  
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 13  
385 DATA-ENTRY KEYERS 283 31
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 70  
453 JANITORS AND CLEANERS 18,040 199
454 ELEVATOR OPERATORS 513  
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 9,328  
503 SUPERVISORS, MECHANICS AND REPAIRERS 210  
505 AUTOMOBILE MECHANICS 1,803  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 2,226  
508 AIRCRAFT ENGINE MECHANICS 6,707 57
514 AUTOMOBILE BODY AND RELATED REPAIRERS 1,361  
515 AIRCRAFT MECHANICS, EXC. ENGINE 253  
516 HEAVY EQUIPMENT MECHANICS 1,097  
518 INDUSTRIAL MACHINERY REPAIRERS 827 9
519 MACHINERY MAINTENANCE OCCUPATIONS 2,096  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 88  
527 TELEPHONE LINE INSTALLERS AND REPAIRERS 225  
529 TELEPHONE INSTALLERS AND REPAIRERS 13,266 36
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 11  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 59  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 2,552  
544 MILLWRIGHTS 1,159  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 352  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 9,393 313
558 SUPERVISORS, N.E.C. 6,341  
563 BRICKMASONS AND STONEMASONS 9,123  
565 TILE SETTERS, HARD AND SOFT 6,034  
567 CARPENTERS 55,892 6
573 DRYWALL INSTALLERS 850  
575 ELECTRICIANS 14,408 108
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 1,255  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 3,921 51
583 PAPERHANGERS 387  
584 PLASTERERS 188  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 9,981 206
588 CONCRETE AND TERRAZZO FINISHERS 331  
593 INSULATION WORKERS 1,232 91
595 ROOFERS 30,836  
597 STRUCTURAL METAL WORKERS 2,418  
599 CONSTRUCTION TRADES, N.E.C. 3,548  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 6,812  
634 TOOL AND DIE MAKERS 769 32
637 MACHINISTS 4,120 8
643 BOILERMAKERS 88  
653 SHEET METAL WORKERS 8,912 128
655 MISCELLANEOUS PRECISION METAL WORKERS 122  
657 CABINET MAKERS AND BENCH CARPENTERS 201  
658 FURNITURE AND WOOD FINISHERS 675 225
667 TAILORS 197  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 3,255  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 187  
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 35 21
679 BOOKBINDERS 462 231
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 1,246 1,246
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 1,808 164
689 INSPECTORS, TESTERS, AND GRADERS 13  
696 STATIONARY ENGINEERS 117  
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 661  
704 LATHE AND TURNING MACHINE OPERATORS 5,101  
707 ROLLING MACHINE OPERATORS 1,644  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 680 83
713 FORGING MACHINE OPERATORS 271  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 24  
719 MOLDING AND CASTING MACHINE OPERATORS 5,812 805
723 METAL PLATING MACHINE OPERATORS 269 108
724 HEAT TREATING EQUIPMENT OPERATORS 300  
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 503 175
727 SAWING MACHINE OPERATORS 3  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 518  
734 PRINTING MACHINE OPERATORS 9,581 115
744 TEXTILE SEWING MACHINE OPERATORS 7,226 7,151
745 SHOE MACHINE OPERATORS 1,044 845
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,806 99
753 CEMENTING AND GLUING MACHINE OPERATORS 753 100
754 PACKAGING AND FILLING MACHINE OPERATORS 442  
755 EXTRUDING AND FORMING MACHINE OPERATORS 3,922 91
756 MIXING AND BLENDING MACHINE OPERATORS 7,872 5
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 1,306  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 13  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 11,821 1,358
763 ROASTING AND BAKING MACHINE OPERATORS, FOOD 117  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 7,472 59
768 CRUSHING AND GRINDING MACHINE OPERATORS 1,175  
769 SLICING AND CUTTING MACHINE OPERATORS 1,796 271
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 16,590 903
779 MACHINE OPERATORS, NOT SPECIFIED 25,994 6,577
783 WELDERS AND CUTTERS 6,177 16
785 ASSEMBLERS 24,921 6,732
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 1,046 405
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 1,192 245
794 HAND GRINDING AND POLISHING OCCUPATIONS 159 159
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 715 536
797 PRODUCTION TESTERS 195  
798 PRODUCTION SAMPLERS AND WEIGHERS 81  
799 GRADERS AND SORTERS, EXCEPT AGRICULTURAL 1,578  
804 TRUCK DRIVERS, HEAVY 10,838  
805 TRUCK DRIVERS, LIGHT 3,176  
824 LOCOMOTIVE OPERATING OCCUPATIONS 1,169  
843 SUPERVISORS, MATERIAL MOVING EQUIPMENT OPERATORS 210  
844 OPERATING ENGINEERS 13,243  
849 CRANE AND TOWER OPERATORS 733  
853 EXCAVATING AND LOADING MACHINE OPERATORS 876  
855 GRADER, DOZER, AND SCRAPER OPERATORS 468  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 1,324  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 1,386 10
864 HELPERS, MECHANICS AND REPAIRERS 454  
865 HELPERS, CONSTRUCTION TRADES 1,210  
869 CONSTRUCTION LABORERS 67,357 254
873 PRODUCTION HELPERS 4,546 1,970
877 STOCK HANDLERS AND BAGGERS 1,392  
878 MACHINE FEEDERS AND OFFBEARERS 112  
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 220  
888 HAND PACKERS AND PACKAGERS 1,516 99
889 LABORERS, EXCEPT CONSTRUCTION 10,565 335
TOTAL 533,341 36,245

*(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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