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 ZIRCONIUM SILICATE
CAS # 10101-52-7
RTECS #  
Agent Code 80725

GENERAL BUILDING CONTRACTORS (SIC 15)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 4,419

SUBTOTAL 4,419

HEAVY CONSTRUCTION CONTRACTORS (SIC 16)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
516 HEAVY EQUIPMENT MECHANICS 224

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 3,618

699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 256

783 WELDERS AND CUTTERS 456

SUBTOTAL 4,554

SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
516 HEAVY EQUIPMENT MECHANICS 433

565 TILE SETTERS, HARD AND SOFT 6,187

595 ROOFERS 80

SUBTOTAL 6,700

RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 50

235 TECHNICIANS, N.E.C. 100
25
453 JANITORS AND CLEANERS 100

719 MOLDING AND CASTING MACHINE OPERATORS 502
50
756 MIXING AND BLENDING MACHINE OPERATORS 25

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 100

SUBTOTAL 877
75
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 76

453 JANITORS AND CLEANERS 610

719 MOLDING AND CASTING MACHINE OPERATORS 840

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 1,397
483
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,274

SUBTOTAL 4,197
483
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 106

633 SUPERVISORS, PRODUCTION OCCUPATIONS 3

719 MOLDING AND CASTING MACHINE OPERATORS 247

724 HEAT TREATING EQUIPMENT OPERATORS 762

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,843

783 WELDERS AND CUTTERS 257

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 5

889 LABORERS, EXCEPT CONSTRUCTION 19
2
SUBTOTAL 4,242
2
FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 104

783 WELDERS AND CUTTERS 1,624

SUBTOTAL 1,728

MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 44

225 SCIENCE TECHNICIANS, N.E.C. 356
44
363 PRODUCTION COORDINATORS 222
133
453 JANITORS AND CLEANERS 445

518 INDUSTRIAL MACHINERY REPAIRERS 62

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 44

719 MOLDING AND CASTING MACHINE OPERATORS 31

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 267

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 151

783 WELDERS AND CUTTERS 3,403
99
804 TRUCK DRIVERS, HEAVY 19

889 LABORERS, EXCEPT CONSTRUCTION 62

SUBTOTAL 5,106
276
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 365
18
753 CEMENTING AND GLUING MACHINE OPERATORS 195
195
756 MIXING AND BLENDING MACHINE OPERATORS 337
130
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 11

785 ASSEMBLERS 88
88
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 389
259
SUBTOTAL 1,385
690
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
634 TOOL AND DIE MAKERS 14

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 1,894
133
783 WELDERS AND CUTTERS 1,704

SUBTOTAL 3,612
133
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 165

779 MACHINE OPERATORS, NOT SPECIFIED 230
114
785 ASSEMBLERS 385

SUBTOTAL 780
114
TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
508 AIRCRAFT ENGINE MECHANICS 795

SUBTOTAL 795

ELECTRIC, GAS, AND SANITARY SERVICES (SIC 49)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
783 WELDERS AND CUTTERS 1,032

SUBTOTAL 1,032

PERSONAL SERVICES (SIC 72)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
783 WELDERS AND CUTTERS 32

SUBTOTAL 32

HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
084 PHYSICIANS 49
33
105 THERAPISTS, N.E.C. 219
219
SUBTOTAL 268
252
TOTAL 39,727 2,025
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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