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 GUANIDINE, 1,1,3,3-TETRAMETHYL-
CAS # 80-70-6
RTECS #  
Agent Code 83066

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

Vent
Other
Control

Exposures
869 CONSTRUCTION LABORERS 100.0%
0.0%
0.0%
0.0%
0.0%
3,155
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
3,155
SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
593 INSULATION WORKERS 0.0%
0.0%
100.0%
0.0%
0.0%
5,477
SUBTOTAL 0.0%
0.0%
100.0%
0.0%
0.0%
5,477
LUMBER AND WOOD PRODUCTS (SIC 24)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
785 ASSEMBLERS 100.0%
0.0%
0.0%
0.0%
0.0%
5,121
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
5,121
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%
26
224 CHEMICAL TECHNICIANS 18.2%
0.0%
0.0%
0.0%
81.8%
71
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 0.0%
0.0%
0.0%
0.0%
100.0%
23
575 ELECTRICIANS 0.0%
0.0%
0.0%
0.0%
100.0%
3
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 0.0%
0.0%
0.0%
0.0%
100.0%
6
633 SUPERVISORS, PRODUCTION OCCUPATIONS 0.0%
0.0%
0.0%
0.0%
100.0%
39
637 MACHINISTS 0.0%
0.0%
0.0%
0.0%
100.0%
6
SUBTOTAL 7.4%
0.0%
0.0%
0.0%
92.5%
174
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
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%
411
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
411
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
567 CARPENTERS 100.0%
0.0%
0.0%
0.0%
0.0%
65
SUBTOTAL 100.0%
0.0%
0.0%
0.0%
0.0%
65
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
723 METAL PLATING MACHINE OPERATORS 0.0%
0.0%
80.0%
20.0%
0.0%
413
SUBTOTAL 0.0%
0.0%
80.0%
20.0%
0.0%
413
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) No
Control
Resp
Prot
Other
PPE

Vent
Other
Control

Exposures
073 CHEMISTS, EXCEPT BIOCHEMISTS 0.0%
0.0%
100.0%
0.0%
0.0%
1,725
SUBTOTAL 0.0%
0.0%
100.0%
0.0%
0.0%
1,725
TOTAL 52.9%
0.0%
45.5%
0.4%
0.9%
16,541
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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