National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation within 2-Digit Standard Industrial Classification (SIC)*

Agent Name CALCIUM SILICIDE
CAS # 12013-56-8
RTECS #  
Agent Code X5629

PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
045 METALLURGICAL AND MATERIALS ENGINEERS 64

055 ELECTRICAL AND ELECTRONIC ENGINEERS 5

073 CHEMISTS, EXCEPT BIOCHEMISTS 19

216 ENGINEERING TECHNICIANS, N.E.C. 40

224 CHEMICAL TECHNICIANS 37

363 PRODUCTION COORDINATORS 8

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 8

374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 13

453 JANITORS AND CLEANERS 67

516 HEAVY EQUIPMENT MECHANICS 11

518 INDUSTRIAL MACHINERY REPAIRERS 21

519 MACHINERY MAINTENANCE OCCUPATIONS 27

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 88

533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 11

539 MECHANICAL CONTROLS AND VALVE REPAIRERS 37

544 MILLWRIGHTS 717

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 93

549 NOT SPECIFIED MECHANICS AND REPAIRERS 16

563 BRICKMASONS AND STONEMASONS 5

575 ELECTRICIANS 43

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 48

637 MACHINISTS 32

643 BOILERMAKERS 40

689 INSPECTORS, TESTERS, AND GRADERS 13

696 STATIONARY ENGINEERS 3

704 LATHE AND TURNING MACHINE OPERATORS 3

707 ROLLING MACHINE OPERATORS 125

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 24

724 HEAT TREATING EQUIPMENT OPERATORS 48

727 SAWING MACHINE OPERATORS 3

756 MIXING AND BLENDING MACHINE OPERATORS 79

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 133

758 COMPRESSING AND COMPACTING MACHINE OPERATORS 13

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 35

768 CRUSHING AND GRINDING MACHINE OPERATORS 99

769 SLICING AND CUTTING MACHINE OPERATORS 13

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 13

779 MACHINE OPERATORS, NOT SPECIFIED 37

783 WELDERS AND CUTTERS 19

785 ASSEMBLERS 117

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 69

797 PRODUCTION TESTERS 21

798 PRODUCTION SAMPLERS AND WEIGHERS 8

804 TRUCK DRIVERS, HEAVY 5

849 CRANE AND TOWER OPERATORS 51

856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 21

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 16

873 PRODUCTION HELPERS 72

883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 85

889 LABORERS, EXCEPT CONSTRUCTION 117

SUBTOTAL 2,692

MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
889 LABORERS, EXCEPT CONSTRUCTION 2,042
351
SUBTOTAL 2,042
351
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
889 LABORERS, EXCEPT CONSTRUCTION 17

SUBTOTAL 17

TOTAL 4,751 351
RELATED PAGES: Estimates by SIC, Estimates by Occupation

*(1) The estimates for each occupation apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC where the agent was observed. Not all SICs were surveyed, and not all agents were observed in all surveyed SICs. (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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