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 UREA, 3-(3,4-DICHLOROPHENYL)-1, -DIMETHYL-
CAS # 330-54-1
RTECS # YS8925000 
Agent Code M0785

FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
785 ASSEMBLERS 422
103
SUBTOTAL 422
103
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,396

515 AIRCRAFT MECHANICS, EXC. ENGINE 567
21
633 SUPERVISORS, PRODUCTION OCCUPATIONS 65

674 MISCELLANEOUS PRECISION APPAREL AND FABRIC WORKERS 64

719 MOLDING AND CASTING MACHINE OPERATORS 58

753 CEMENTING AND GLUING MACHINE OPERATORS 353
27
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 4

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 109

SUBTOTAL 2,616
48
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
717 FABRICATING MACHINE OPERATORS, N.E.C. 577
114
SUBTOTAL 577
114
RAILROAD TRANSPORTATION (SIC 40)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
516 HEAVY EQUIPMENT MECHANICS 436

SUBTOTAL 436

TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
515 AIRCRAFT MECHANICS, EXC. ENGINE 69

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 96

SUBTOTAL 165

TOTAL 4,216 265
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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