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 HYDROGEN CYANIDE
CAS # 74-90-8
RTECS # MW6825000 
Agent Code 38530

TEXTILE MILL PRODUCTS (SIC 22)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 23

SUBTOTAL 23

CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
224 CHEMICAL TECHNICIANS 111
44
453 JANITORS AND CLEANERS 4

535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 10

633 SUPERVISORS, PRODUCTION OCCUPATIONS 40

699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 53

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 75

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 106

779 MACHINE OPERATORS, NOT SPECIFIED 119

SUBTOTAL 518
44
RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
756 MIXING AND BLENDING MACHINE OPERATORS 96

779 MACHINE OPERATORS, NOT SPECIFIED 78

SUBTOTAL 174

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 21

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 133

758 COMPRESSING AND COMPACTING MACHINE OPERATORS 13

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 24

768 CRUSHING AND GRINDING MACHINE OPERATORS 5

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 2,529

MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 11

723 METAL PLATING MACHINE OPERATORS 28

734 PRINTING MACHINE OPERATORS 46
29
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 191

SUBTOTAL 276
29
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
723 METAL PLATING MACHINE OPERATORS 11

SUBTOTAL 11

TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 6

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 3

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 43

SUBTOTAL 52

HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
446 HEALTH AIDES, EXCEPT NURSING 407
181
SUBTOTAL 407
181
TOTAL 3,990 254
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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