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 PHENYL-PARA-PHENYLENEDIAMINE, N-
CAS # 101-54-2
RTECS # ST3150000 
Agent Code 83649

PETROLEUM AND COAL PRODUCTS (SIC 29)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 35

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 42

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 28
7
SUBTOTAL 105
7
RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 199

719 MOLDING AND CASTING MACHINE OPERATORS 416
249
756 MIXING AND BLENDING MACHINE OPERATORS 512
199
779 MACHINE OPERATORS, NOT SPECIFIED 78

SUBTOTAL 1,205
448
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
637 MACHINISTS 1,763
22
708 DRILLING AND BORING MACHINE OPERATORS 354

785 ASSEMBLERS 878

SUBTOTAL 2,995
22
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
083 MEDICAL SCIENTISTS 52
52
SUBTOTAL 52
52
TOTAL 4,357 529
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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