National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation*

Agent Name BENZENESULFONIC ACID, 4-METHYL-
CAS # 104-15-4
RTECS # XT6300000
Agent Code 81921

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 53  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 12  
073 CHEMISTS, EXCEPT BIOCHEMISTS 578 68
185 DESIGNERS 66  
189 PHOTOGRAPHERS 356  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 272 237
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 25 23
216 ENGINEERING TECHNICIANS, N.E.C. 254 57
217 DRAFTING OCCUPATIONS 343  
223 BIOLOGICAL TECHNICIANS 686 300
224 CHEMICAL TECHNICIANS 1,721 412
235 TECHNICIANS, N.E.C. 1,196 852
446 HEALTH AIDES, EXCEPT NURSING 35 14
453 JANITORS AND CLEANERS 11,621 3,897
519 MACHINERY MAINTENANCE OCCUPATIONS 22  
544 MILLWRIGHTS 549  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 281 28
549 NOT SPECIFIED MECHANICS AND REPAIRERS 510  
558 SUPERVISORS, N.E.C. 784  
567 CARPENTERS 57  
575 ELECTRICIANS 167  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 932 11
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 411  
593 INSULATION WORKERS 44  
596 SHEETMETAL DUCT INSTALLERS 62  
599 CONSTRUCTION TRADES, N.E.C. 2,612  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 437 28
637 MACHINISTS 57  
653 SHEET METAL WORKERS 75  
658 FURNITURE AND WOOD FINISHERS 1,312 146
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 23  
679 BOOKBINDERS 462 231
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 32 32
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 66  
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 79  
705 MILLING AND PLANING MACHINE OPERATORS 139 11
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 827 812
719 MOLDING AND CASTING MACHINE OPERATORS 31  
723 METAL PLATING MACHINE OPERATORS 1,800 949
734 PRINTING MACHINE OPERATORS 1,691 28
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,190 335
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 990  
739 KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS 5,175 1,964
744 TEXTILE SEWING MACHINE OPERATORS 1,292  
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,989 97
753 CEMENTING AND GLUING MACHINE OPERATORS 156  
754 PACKAGING AND FILLING MACHINE OPERATORS 668 158
755 EXTRUDING AND FORMING MACHINE OPERATORS 676 65
756 MIXING AND BLENDING MACHINE OPERATORS 1,916 103
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 2,574 386
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 4,462 1,214
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 3,916 11
768 CRUSHING AND GRINDING MACHINE OPERATORS 348  
769 SLICING AND CUTTING MACHINE OPERATORS 554 58
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 1,507 909
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 8,022 960
779 MACHINE OPERATORS, NOT SPECIFIED 17,718 4,748
783 WELDERS AND CUTTERS 929  
785 ASSEMBLERS 266 29
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 835 29
797 PRODUCTION TESTERS 6  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 360  
869 CONSTRUCTION LABORERS 467  
873 PRODUCTION HELPERS 94 30
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 31  
888 HAND PACKERS AND PACKAGERS 94  
889 LABORERS, EXCEPT CONSTRUCTION 28  
TOTAL 87,942 19,232

*(1) The estimates for each occupation apply across the surveyed industries in which the agent was observed. Not all industries were surveyed, and not all agents were observed in all surveyed industries. (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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