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 MANGANESE OXIDE (MN2O3)
CAS # 1317-34-6
RTECS #  
Agent Code X2022

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

Vent
Other
Control

Exposures
783 WELDERS AND CUTTERS 0.0%
0.0%
0.0%
100.0%
0.0%
183
869 CONSTRUCTION LABORERS 0.0%
0.0%
0.0%
100.0%
0.0%
2,191
SUBTOTAL 0.0%
0.0%
0.0%
100.0%
0.0%
2,374
SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
565 TILE SETTERS, HARD AND SOFT 100.0%
0.0%
0.0%
0.0%
0.0%
4,434
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 100.0%
0.0%
0.0%
0.0%
0.0%
1,396
595 ROOFERS 0.0%
0.0%
100.0%
0.0%
0.0%
5,584
869 CONSTRUCTION LABORERS 100.0%
0.0%
0.0%
0.0%
0.0%
465
SUBTOTAL 52.9%
0.0%
47.0%
0.0%
0.0%
11,879
FURNITURE AND FIXTURES (SIC 25)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
518 INDUSTRIAL MACHINERY REPAIRERS 0.0%
0.0%
66.7%
33.3%
0.0%
2,197
658 FURNITURE AND WOOD FINISHERS 0.0%
14.5%
43.6%
41.9%
0.0%
16,492
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 0.0%
16.7%
50.0%
33.3%
0.0%
10,119
753 CEMENTING AND GLUING MACHINE OPERATORS 33.3%
0.0%
66.7%
0.0%
0.0%
167
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 50.0%
0.0%
50.0%
0.0%
0.0%
223
SUBTOTAL 0.5%
13.9%
47.7%
37.7%
0.0%
29,198
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
756 MIXING AND BLENDING MACHINE OPERATORS 0.0%
0.0%
100.0%
0.0%
0.0%
116
SUBTOTAL 0.0%
0.0%
100.0%
0.0%
0.0%
116
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 100.0%
0.0%
0.0%
0.0%
0.0%
153
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
153
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 100.0%
0.0%
0.0%
0.0%
0.0%
25
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
25
TOTAL 15.1%
9.3%
44.8%
30.5%
0.0%
43,745
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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