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 POTASSIUM BICARBONATE
CAS # 298-14-6
RTECS #  
Agent Code 80487

PRINTING AND PUBLISHING (SIC 27)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
735 PHOTOENGRAVERS AND LITHOGRAPHERS 0.0%
0.0%
0.0%
100.0%
0.0%
391
736 TYPESETTERS AND COMPOSITORS 5.6%
0.0%
0.0%
0.0%
94.4%
1,269
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 60.2%
0.0%
0.0%
0.0%
39.8%
90
SUBTOTAL 7.1%
0.0%
0.0%
22.3%
70.5%
1,750
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
048 CHEMICAL ENGINEERS 0.0%
0.0%
0.0%
0.0%
100.0%
6
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 0.0%
0.0%
0.0%
0.0%
100.0%
3
224 CHEMICAL TECHNICIANS 30.8%
0.0%
0.0%
0.0%
69.2%
42
575 ELECTRICIANS 0.0%
0.0%
0.0%
0.0%
100.0%
3
633 SUPERVISORS, PRODUCTION OCCUPATIONS 0.0%
0.0%
0.0%
0.0%
100.0%
13
SUBTOTAL 19.3%
0.0%
0.0%
0.0%
80.6%
67
PETROLEUM AND COAL PRODUCTS (SIC 29)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
453 JANITORS AND CLEANERS 0.0%
33.3%
66.7%
0.0%
0.0%
21,885
SUBTOTAL 0.0%
33.3%
66.7%
0.0%
0.0%
21,885
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
10
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
10
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
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%
152
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
152
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
189 PHOTOGRAPHERS 50.0%
0.0%
50.0%
0.0%
0.0%
23
723 METAL PLATING MACHINE OPERATORS 60.0%
0.0%
40.0%
0.0%
0.0%
144
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 100.0%
0.0%
0.0%
0.0%
0.0%
12
SUBTOTAL 61.3%
0.0%
38.6%
0.0%
0.0%
179
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
189 PHOTOGRAPHERS 100.0%
0.0%
0.0%
0.0%
0.0%
57
225 SCIENCE TECHNICIANS, N.E.C. 33.3%
0.0%
33.3%
33.3%
0.0%
43
756 MIXING AND BLENDING MACHINE OPERATORS 100.0%
0.0%
0.0%
0.0%
0.0%
11
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 33.8%
0.0%
23.8%
30.4%
12.0%
425
SUBTOTAL 42.1%
0.0%
21.5%
26.7%
9.5%
536
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 0.0%
0.0%
0.0%
100.0%
0.0%
36
SUBTOTAL 0.0%
0.0%
0.0%
100.0%
0.0%
36
LOCAL AND INTERURBAN PASSENGER TRANSIT (SIC 41)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
453 JANITORS AND CLEANERS 100.0%
0.0%
0.0%
0.0%
0.0%
9,527
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
9,527
TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
453 JANITORS AND CLEANERS 100.0%
0.0%
0.0%
0.0%
0.0%
599
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
599
COMMUNICATION (SIC 48)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
189 PHOTOGRAPHERS 100.0%
0.0%
0.0%
0.0%
0.0%
601
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 100.0%
0.0%
0.0%
0.0%
0.0%
200
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
801
PERSONAL SERVICES (SIC 72)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
756 MIXING AND BLENDING MACHINE OPERATORS 0.0%
25.0%
75.0%
0.0%
0.0%
53
SUBTOTAL 0.0%
25.0%
75.0%
0.0%
0.0%
53
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
019 MANAGERS AND ADMINISTRATORS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
428
073 CHEMISTS, EXCEPT BIOCHEMISTS 54.8%
0.0%
5.8%
39.4%
0.0%
557
075 GEOLOGISTS AND GEODESISTS 0.0%
0.0%
50.0%
50.0%
0.0%
56
189 PHOTOGRAPHERS 100.0%
0.0%
0.0%
0.0%
0.0%
136
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 0.0%
0.0%
0.0%
100.0%
0.0%
258
216 ENGINEERING TECHNICIANS, N.E.C. 100.0%
0.0%
0.0%
0.0%
0.0%
64
453 JANITORS AND CLEANERS 0.0%
0.0%
0.0%
100.0%
0.0%
65
756 MIXING AND BLENDING MACHINE OPERATORS 0.0%
0.0%
100.0%
0.0%
0.0%
153
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 2.0%
0.0%
2.2%
50.1%
45.7%
11,538
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 0.0%
0.0%
0.0%
0.0%
100.0%
988
SUBTOTAL 8.1%
0.0%
3.2%
44.5%
43.9%
14,243
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
069 PHYSICISTS AND ASTRONOMERS 0.0%
0.0%
100.0%
0.0%
0.0%
1,354
073 CHEMISTS, EXCEPT BIOCHEMISTS 38.3%
0.0%
61.7%
0.0%
0.0%
809
095 REGISTERED NURSES 100.0%
0.0%
0.0%
0.0%
0.0%
1,326
096 PHARMACISTS 16.8%
0.0%
41.6%
41.6%
0.0%
3,547
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 65.4%
0.0%
21.8%
8.8%
4.0%
9,084
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 0.0%
0.0%
100.0%
0.0%
0.0%
1,625
224 CHEMICAL TECHNICIANS 67.2%
0.0%
24.6%
8.2%
0.0%
1,462
446 HEALTH AIDES, EXCEPT NURSING 43.7%
0.0%
56.3%
0.0%
0.0%
3,114
SUBTOTAL 47.1%
0.0%
40.5%
10.7%
1.6%
22,321
TOTAL 32.2%
10.1%
33.7%
12.9%
11.0%
72,159
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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