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 BENTONITE
CAS #
RTECS #  
Agent Code X7125

FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
779 MACHINE OPERATORS, NOT SPECIFIED 2,606

SUBTOTAL 2,606

PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
225 SCIENCE TECHNICIANS, N.E.C. 58

315 TYPISTS 72

453 JANITORS AND CLEANERS 86

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 403

575 ELECTRICIANS 144

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 576

719 MOLDING AND CASTING MACHINE OPERATORS 274

756 MIXING AND BLENDING MACHINE OPERATORS 14

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 29

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 101

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 303

783 WELDERS AND CUTTERS 72

SUBTOTAL 2,132

TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
544 MILLWRIGHTS 153

719 MOLDING AND CASTING MACHINE OPERATORS 1,232
55
889 LABORERS, EXCEPT CONSTRUCTION 354

SUBTOTAL 1,739
55
TOTAL 6,477 55
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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