National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name SULFURIC ACID, IRON(3+) SALT (3:2)
CAS # 10028-22-5
RTECS #
Agent Code 33165

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 69  
069 PHYSICISTS AND ASTRONOMERS 1,354 829
073 CHEMISTS, EXCEPT BIOCHEMISTS 668 407
078 BIOLOGICAL AND LIFE SCIENTISTS 209 188
083 MEDICAL SCIENTISTS 41 31
106 PHYSICIANS' ASSISTANTS 4,929 2,464
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 2,126 1,589
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 1,625 1,134
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 23 6
216 ENGINEERING TECHNICIANS, N.E.C. 907 572
223 BIOLOGICAL TECHNICIANS 100 67
224 CHEMICAL TECHNICIANS 3,357 1,448
225 SCIENCE TECHNICIANS, N.E.C. 8  
235 TECHNICIANS, N.E.C. 1,962 1,035
453 JANITORS AND CLEANERS 1,385  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 410  
637 MACHINISTS 57  
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 38  
696 STATIONARY ENGINEERS 154  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 213  
717 FABRICATING MACHINE OPERATORS, N.E.C. 208  
723 METAL PLATING MACHINE OPERATORS 7,074 1,292
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 1,270 376
754 PACKAGING AND FILLING MACHINE OPERATORS 668 158
756 MIXING AND BLENDING MACHINE OPERATORS 258  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 418 147
768 CRUSHING AND GRINDING MACHINE OPERATORS 1,392  
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 81  
783 WELDERS AND CUTTERS 14  
785 ASSEMBLERS 1,335 114
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 3  
873 PRODUCTION HELPERS 226  
877 STOCK HANDLERS AND BAGGERS 773  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 541  
889 LABORERS, EXCEPT CONSTRUCTION 1,639 178
TOTAL 35,533 12,034

*(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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