National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name ETHYLENEDIAMINETETRAACETIC ACID, TRISODIUM SALT
CAS # 150-38-9
RTECS # AH5250000
Agent Code 82120

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 4,571 70
019 MANAGERS AND ADMINISTRATORS, N.E.C. 331  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 188  
084 PHYSICIANS 620 543
189 PHOTOGRAPHERS 1,601 3
195 EDITORS AND REPORTERS 102  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 77 26
206 RADIOLOGIC TECHNICIANS 4,447 2,984
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 2,997  
216 ENGINEERING TECHNICIANS, N.E.C. 263  
225 SCIENCE TECHNICIANS, N.E.C. 14  
235 TECHNICIANS, N.E.C. 1,813  
345 DUPLICATING MACHINE OPERATORS 827 584
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 1,073 239
453 JANITORS AND CLEANERS 2,203 116
458 HAIRDRESSERS AND COSMETOLOGISTS 7,901 6,220
518 INDUSTRIAL MACHINERY REPAIRERS 259  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 281 28
633 SUPERVISORS, PRODUCTION OCCUPATIONS 664 28
646 LAY-OUT WORKERS 52  
723 METAL PLATING MACHINE OPERATORS 417  
734 PRINTING MACHINE OPERATORS 1,399 16
735 PHOTOENGRAVERS AND LITHOGRAPHERS 848 138
736 TYPESETTERS AND COMPOSITORS 10,382 665
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 787  
744 TEXTILE SEWING MACHINE OPERATORS 283 141
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 283 141
756 MIXING AND BLENDING MACHINE OPERATORS 283 94
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 2,550 983
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,136 384
779 MACHINE OPERATORS, NOT SPECIFIED 426 236
785 ASSEMBLERS 1,157 1,084
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 166 166
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 141 47
TOTAL 50,542 14,938

*(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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