National Occupational Exposure Survey
(1981 - 1983)

Estimated Percentages of Controlled and Uncontrolled Potential Exposures to Specific Agents by Occupation within 2-Digit Standard Industrial Classification (SIC)*

Agent Name TALC, ASBESTOS-FREE
CAS #
RTECS #  
Agent Code X4237

GENERAL BUILDING CONTRACTORS (SIC 15)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 0.0%
33.3%
66.7%
0.0%
0.0%
702
869 CONSTRUCTION LABORERS 0.0%
0.0%
100.0%
0.0%
0.0%
5,141
SUBTOTAL 0.0%
4.0%
95.9%
0.0%
0.0%
5,843
FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
688 FOOD BATCHMAKERS 0.0%
0.0%
0.0%
100.0%
0.0%
7,245
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
424
SUBTOTAL 5.5%
0.0%
0.0%
94.4%
0.0%
7,669
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
059 ENGINEERS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
18
235 TECHNICIANS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
6
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
24
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
225 SCIENCE TECHNICIANS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
627
637 MACHINISTS 100.0%
0.0%
0.0%
0.0%
0.0%
672
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 100.0%
0.0%
0.0%
0.0%
0.0%
90
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
179
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 61.7%
0.0%
38.3%
0.0%
0.0%
73
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 100.0%
0.0%
0.0%
0.0%
0.0%
1,344
SUBTOTAL 99.0%
0.0%
0.9%
0.0%
0.0%
2,985
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
783 WELDERS AND CUTTERS 100.0%
0.0%
0.0%
0.0%
0.0%
3,399
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
3,399
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
216 ENGINEERING TECHNICIANS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
619
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
619
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
095 REGISTERED NURSES 100.0%
0.0%
0.0%
0.0%
0.0%
1,039
206 RADIOLOGIC TECHNICIANS 100.0%
0.0%
0.0%
0.0%
0.0%
118
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 100.0%
0.0%
0.0%
0.0%
0.0%
394
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
1,551
TOTAL 40.6%
1.0%
25.5%
32.7%
0.0%
22,090
RELATED PAGES: Estimates by SIC, Estimates by Occupation, Estimates by Occupation within SIC
ABBREVIATIONS:
Resp Prot = Respiratory Protection
Other PPE = Personal Protective Equipment Other Than Respiratory Protection
Vent = Ventilation

*(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 estimated numbers of exposures, 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. (4) For a given occupation, the estimated number of potential exposures is not necessarily equal to the estimated total number of potentially exposed workers. For example, a worker may be exposed to the same agent from multiple sources; thus, it is not the worker that is controlled but the exposure. (5) The presence or absence of controls does not imply that controls are necessary or required. The estimates and the controls are strictly based on observations associated with potential exposures.

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