National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name SODIUM CITRATE
CAS # 68-04-2
RTECS # GE8300000
Agent Code 68905

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 630 70
019 MANAGERS AND ADMINISTRATORS, N.E.C. 417 403
036 INSPECTORS AND COMPLIANCE OFFICERS, EXC. CONSTRUCTION 32 32
059 ENGINEERS, N.E.C. 64 12
069 PHYSICISTS AND ASTRONOMERS 1,354 829
073 CHEMISTS, EXCEPT BIOCHEMISTS 3,892 1,255
078 BIOLOGICAL AND LIFE SCIENTISTS 738 541
083 MEDICAL SCIENTISTS 554 438
084 PHYSICIANS 1,166 912
086 VETERINARIANS 2,015  
095 REGISTERED NURSES 55,397 48,347
096 PHARMACISTS 4,611 2,361
097 DIETITIANS 415 415
098 INHALATION THERAPISTS 2,447 1,242
103 PHYSICAL THERAPISTS 707 558
104 SPEECH THERAPISTS 25 25
189 PHOTOGRAPHERS 1,256 353
195 EDITORS AND REPORTERS 102  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 24,105 18,143
206 RADIOLOGIC TECHNICIANS 9,247 6,443
207 LICENSED PRACTICAL NURSES 1,934 1,934
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 6,002 4,800
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 135  
215 MECHANICAL ENGINEERING TECHNICIANS 58  
216 ENGINEERING TECHNICIANS, N.E.C. 5,555 2,708
223 BIOLOGICAL TECHNICIANS 4,328 1,868
224 CHEMICAL TECHNICIANS 3,675 1,699
225 SCIENCE TECHNICIANS, N.E.C. 1,458 362
235 TECHNICIANS, N.E.C. 2,130 1,111
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 1,649 733
276 CASHIERS 744 744
323 INFORMATION CLERKS, N.E.C. 7  
335 FILE CLERKS 149 30
365 STOCK AND INVENTORY CLERKS 1,087 889
368 WEIGHERS, MEASURERS, AND CHECKERS 52  
379 GENERAL OFFICE CLERKS 319 57
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 876 803
446 HEALTH AIDES, EXCEPT NURSING 5,812 3,623
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 2,938 2,878
449 MAIDS AND HOUSEMEN 15,270 10,202
453 JANITORS AND CLEANERS 21,596 10,275
458 HAIRDRESSERS AND COSMETOLOGISTS 12,897 11,827
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 244  
487 ANIMAL CARETAKERS, EXCEPT FARM 806 806
516 HEAVY EQUIPMENT MECHANICS 219  
518 INDUSTRIAL MACHINERY REPAIRERS 648  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 22  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 27  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,160 28
549 NOT SPECIFIED MECHANICS AND REPAIRERS 2,448 163
558 SUPERVISORS, N.E.C. 184  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 297 119
584 PLASTERERS 2,318  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 1,488 28
634 TOOL AND DIE MAKERS 461  
637 MACHINISTS 6,110 484
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 255  
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 183  
667 TAILORS 225 112
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 797  
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 169 155
688 FOOD BATCHMAKERS 113  
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 26  
696 STATIONARY ENGINEERS 136  
704 LATHE AND TURNING MACHINE OPERATORS 7  
707 ROLLING MACHINE OPERATORS 500 48
708 DRILLING AND BORING MACHINE OPERATORS 354  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 1,854 1,316
719 MOLDING AND CASTING MACHINE OPERATORS 118 13
723 METAL PLATING MACHINE OPERATORS 3,427 1,286
724 HEAT TREATING EQUIPMENT OPERATORS 313  
734 PRINTING MACHINE OPERATORS 4,902 257
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,376 69
736 TYPESETTERS AND COMPOSITORS 5,401 2,502
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 423 121
744 TEXTILE SEWING MACHINE OPERATORS 2,246 2,246
747 PRESSING MACHINE OPERATORS 618 449
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 228  
754 PACKAGING AND FILLING MACHINE OPERATORS 9,210 2,331
756 MIXING AND BLENDING MACHINE OPERATORS 6,079 1,927
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 2,707  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 324 43
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 195  
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 89  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 458  
768 CRUSHING AND GRINDING MACHINE OPERATORS 298  
769 SLICING AND CUTTING MACHINE OPERATORS 127  
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 1,196 335
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 12,290 2,744
779 MACHINE OPERATORS, NOT SPECIFIED 4,616 2,842
783 WELDERS AND CUTTERS 148  
784 SOLDERERS AND BRAZERS 53  
785 ASSEMBLERS 1,958 233
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 2,555 1,758
797 PRODUCTION TESTERS 19  
798 PRODUCTION SAMPLERS AND WEIGHERS 184  
849 CRANE AND TOWER OPERATORS 152  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 156  
869 CONSTRUCTION LABORERS 4,998  
873 PRODUCTION HELPERS 24  
878 MACHINE FEEDERS AND OFFBEARERS 773  
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 2,042  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 83 62
888 HAND PACKERS AND PACKAGERS 2,733 1,582
889 LABORERS, EXCEPT CONSTRUCTION 10,394 163
TOTAL 301,805 163,142

*(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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